Embodiments of the present description provide a vibration transmission sheet, comprising: an annular structure, a middle area of the annular structure being a hollowed-out area; a vibration member configured to be connected to a magnetic circuit system, the vibration member being located in the hollowed-out area of the annular structure; and a plurality of rod members configured to connect the annular structure and the vibration member, the plurality of rod members being distributed at intervals along the circumferential direction of the vibration member, wherein at least one rod member among the plurality of rod members comprises at least two bent parts, and curvature centers of the at least two bent parts are located on the two sides of the at least one rod member.
Provided in the present specification is an acoustic output apparatus, the acoustic output apparatus comprising a vibration assembly and a mass element. The vibration assembly can comprise a piezoelectric structure and a vibration element, the piezoelectric structure being used for converting an electric signal into mechanical vibration, and the vibration element being connected to the piezoelectric structure at a first position of the piezoelectric structure, and receiving the mechanical vibration to generate a sound signal. The mass element is connected to the piezoelectric structure at a second position of the piezoelectric structure.
The present application provides a vibration assembly. The vibration assembly (100) comprises: an elastic element (110), the elastic element (110) comprising a central area (112), a corrugated ring area (114) provided at the periphery of the central area (112), and a fixed area (116) provided at the periphery of the corrugated ring area (114), and the elastic element (110) being configured to vibrate in a direction perpendicular to the central area (112); and a reinforcing member (120), the reinforcing member (120) being connected to the central area (112), the reinforcing member (120) comprising one or more annular structures (122) and one or more strip-shaped structures (124), and each of the one or more strip-shaped structures (124) being connected to at least one of the one or more annular structures (122), wherein at least one of the one or more strip-shaped structures (124) extends towards the center of the central area (112).
One or more embodiments of the present specification relate to a loudspeaker. The loudspeaker comprises: a drive assembly, which generates vibrations on the basis of an electrical signal; and a vibration assembly, which vibrates by receiving the vibrations of the drive assembly, wherein the vibration assembly comprises an elastic element and a reinforcing member; the elastic element comprises a central area, a folding ring area provided on the periphery of the central area, and a fixed area provided on the periphery of the folding ring area; the elastic element is configured to vibrate in a direction perpendicular to the central area; the reinforcing member is connected to the central area and comprises a reinforcing portion and a plurality of hollowed-out portions; and the vibrations of the reinforcing member and the elastic element generate at least two resonance peaks within the audible range of a human ear.
Embodiments of the present application disclose an acoustic device. The device comprises: a piezoelectric assembly, the piezoelectric assembly vibrating under the effect of a driving voltage; a vibration assembly, which is mechanically connected to the piezoelectric assembly, receives vibration and generates sound; and a resistor element, the resistor element being connected in series with the piezoelectric assembly to change a frequency response of the vibration assembly, wherein the resistor element causes a difference between the amplitude of the vibration of the vibration assembly at 10 kHz and the amplitude at 1 kHz not to exceed 20 dB. According to the present application, by connecting the resistor element in series, the amplitude of vibration of the vibration assembly in a medium-high frequency band is reduced, a sensitivity difference of a full frequency band is reduced, and a high and low frequency balance feeling of sound outputted by the acoustic device is improved. Moreover, when the acoustic device is in the medium-high frequency band, the resistor element connected in series can also reduce, in a voltage division manner, a current flowing through the piezoelectric assembly, so that heat energy generated by the piezoelectric assembly is reduced, an effect of controlling a temperature is achieved, and the working reliability of the acoustic device is improved.
One or more embodiments of the present description relate to a hearing assistance device. The hearing assistance device comprises: a plurality of microphones, configured to receive initial sound signals and convert the initial sound signals into an electrical signal; a processor, configured to process the electrical signal and generate a control signal; and a loudspeaker, configured to convert the control signal into a hearing assistance sound signal, wherein the processing comprises adjusting the directivity of the plurality of microphones to receive the initial sound signals, so that the intensity of sound from the loudspeaker direction among the initial sound signals received by the plurality of microphones is always greater than or always less than the intensity of sound from other directions in the environment.
Provided in the present specification is an acoustic output device. The acoustic output device comprises a first acoustic assembly and a second acoustic assembly. The first acoustic assembly may comprise a first diaphragm that can vibrate to generate a first sound. The second acoustic assembly may comprise a second diaphragm that can vibrate to generate a second sound, wherein at least a portion of the second diaphragm may be arranged around the first diaphragm. In a target frequency range, the vibration phase of the first diaphragm and the vibration phase of the second diaphragm can be opposite, and the second sound can interfere with the first sound to generate a directional sound field pointing to a target direction.
The present application discloses a charging case. The charging case comprises a first housing assembly. The first housing assembly comprises a main case body that is open at one end and a supporting plate covering the open end of the main case body. Profiled recesses used for accommodating earbuds are arranged on the supporting plate. The supporting plate is provided with a first side edge and a second side edge opposite to each other, and the depth of part of the region of each profiled recess close to the first side edge is greater than that of part of the region thereof close to the second side edge. According to the present application, by setting the depth of part of the region of each profiled recess close to the first side edge of the supporting plate to be greater than that of part of the region thereof close to the second side edge of the supporting plate, the profiled recess is obliquely arranged, and some elements can be arranged in the same horizontal plane as the deepest position of the profiled recess and do not overlap the deepest position of the profiled recess, in order to reduce the total height of other elements and the profiled recess arranged in the charging case in the thickness direction of the charging case, thereby reducing the size of the charging case, improving the portability and reducing the production cost.
Disclosed in the present application is an earphone assembly. The earphone assembly comprises earphones and a charging case, wherein the charging case is used for charging the earphones that are placed into the charging case, and is further used for performing into-case detection on the earphones that are placed into the charging case. In the present application, the earphone assembly is configured to comprise the earphones and the charging case, such that the earphones and the charging case are configured to be in a matching manner, and the charging case can charge the earphones that are placed into the charging case, and can also perform into-case detection on the earphones that are placed into the charging case, thereby realizing the functional reuse of the charging case, and thus reducing the production costs.
Disclosed in embodiments of the present description are an active noise reduction audio device, a method, and a storage medium. The device comprises: a loudspeaker, a microphone, an analog filter, and a processing circuit. The loudspeaker is used for generating noise reduction sound, and the microphone is used for collecting environmental noise and the noise reduction sound and generating a first analog signal. The analog filter is used for providing a gain for the first analog signal and generating a second analog signal, wherein the second analog signal drives the loudspeaker to generate the noise reduction sound. The processing circuit is used for sending a control instruction to the analog filter according to the first analog signal and the second analog signal so as to adjust a gain and a phase shift of the analog filter. According to the present description, the amplitude and phase of the analog signal are adjusted by using the analog filter, and the noise reduction sound is generated thereby, so that a time delay caused by signal conversion links and digital filter processing can be reduced, and the audio device can perform a noise reduction response in time, thereby improving a noise reduction effect.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
The present application discloses a wearable device and a wearing part. The wearing part comprises: a housing, comprising a lower concave section, a recess facing downward when in a worn state being formed on the top wall of the lower concave section, and the bottom wall of the lower concave section being provided with a first sound outlet hole; and a speaker, the speaker being disposed in the lower concave section, a resonant cavity being formed between the speaker and a first side wall of the housing, and the first sound outlet hole being in communication with the resonant cavity. In this way, the wearing part provided by the present application can effectively improve the listening quality of the wearing part.
A wearing member (30), a wearable apparatus (100) and a charging system (300). The wearing member (30) comprises: a housing (31), which comprises a first connection section (311) and a recessed section (312), wherein the recessed section (312) is connected to one end of the first connection section (311) and the recessed section (312) is provided with a downward recess (314) when in a wearing state; and an electronic device (310), wherein at least part of the electronic device (310) is arranged in the recessed section (312). By means of the arrangement, the wearing member (30) can make full use of a mounting space in same, such that the layout of the electronic device (310) is more reasonable, thereby facilitating the miniaturization of the wearing member (30) and improving the space utilization.
Provided in the present application is a wearable device. The wearable device comprises a flow guide structure, which is configured to be worn on a head of a user, wherein the flow guide structure comprises: a first connecting section, a second connecting section and a recessed section, the first connecting section, the recessed section and the second connecting section are sequentially connected, and the recessed section is recessed relative to the flow guide structure; and a first microphone, which is configured to collect a voice signal from the user when same is speaking, wherein the first microphone is located at the recessed section.
The present application discloses a wearable device and a wearing member thereof. The wearing member comprises: a housing comprising a downward recessed section, a downward recess being formed in the downward recessed section in a wearing state, and the recess being provided with a first pickup hole for sound input; and a first pickup member provided in the downward recessed section and used for picking up the sound input through the first pickup hole. In this way, the waring member provided by the present application can reduce the wind noise interference, thereby improving the pickup quality, and facilitating the improvement of voice control efficiency or call quality of a user to the wearing member.
A vibration signal source positioning method, comprising: obtaining sensing signals of at least two vibration sensing devices located at different positions, each sensing signal comprising a vibration signal generated by vibration from a same vibration signal source (210); determining, on the basis of the sensing signals, a time difference in the reception of vibration signals by the at least two vibration sensing devices located at different positions (220); and determining the position of the vibration signal source on the basis of the time difference (230).
G01S 5/00 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
G01H 1/00 - Measuring vibrations in solids by using direct conduction to the detector
16.
VOICE ACTIVITY DETECTION METHOD AND SYSTEM, AND VOICE ENHANCEMENT METHOD AND SYSTEM
A voice activity detection method and system, and a voice enhancement method and system. The speech presence probability of a target speech signal in a microphone signal is determined by calculating linear dependence between a signal subspace where the microphone signal is located and a target subspace where the target speech signal is located. According to the voice enhancement method and system, a filter coefficient can be calculated on the basis of the speech presence probability, so that voice enhancement is carried out on the microphone signal. The calculation precision for the speech presence probability is improved, so that a voice enhancement effect is improved.
Provided in the embodiments of the present description are an impedance device, and a system for simulating the influence of a head on vibration of a vibration unit. The impedance device may comprise a mass portion, an elastic portion and a fixed portion, wherein the mass portion is connected to the fixed portion by means of the elastic portion; the fixed portion is of an internally hollow structure; the fixed portion comprises an opening, the elastic portion is located at the opening and is connected to the fixed portion; and the elastic portion and the fixed portion form a cavity. The elastic coefficient of the elastic portion in a direction in which the mass portion vibrates relative to the fixed portion is in the range of 600 N/m to 5000 N/m.
Embodiments of the present application disclose a signal acquisition circuit. The signal acquisition circuit comprises a differential amplifier, a first electrode, a second electrode, a first negative capacitance circuit, and a second negative capacitance circuit. The first electrode is connected to a first input end of the differential amplifier by means of a first lead, and the second electrode is connected to a second input end of the differential amplifier by means of a second lead. The first negative capacitance circuit is electrically connected to the first lead and a ground wire, the second negative capacitance circuit is electrically connected to the second lead and the ground wire, and the first negative capacitance circuit and the second negative capacitance circuit both have a negative capacitance effect.
Provided in the present application are a movement data calibration method and system, which can convert action data, when a user moves, from three-dimensional attitude data in three mutually perpendicular coordinate axes into two-dimensional data in a target coordinate system, that is, attitude data in a horizontal plane and attitude data in a vertical plane, such that the actions, when the user moves, are divided into movements in the horizontal direction and movements in the vertical direction, thus avoiding the data difference caused by different user orientations. The method and system can remove the influence of user orientations on movement data. Therefore, in the method and system, movement data can be calibrated without the need for a user to perform calibration actions.
Provided in the present description is a microphone, the microphone comprising: an electroacoustic transducer, which is used for converting a sound signal into an electrical signal; and an acoustic structure, which comprises a sound guide tube and an acoustic cavity, with the acoustic cavity being in acoustic communication with the electroacoustic transducer, and being in acoustic communication with the outside of the microphone by means of the sound guide tube, wherein the acoustic structure has a first resonant frequency, the electroacoustic transducer has a second resonant frequency, and the absolute value of the difference value between the first resonant frequency and the second resonant frequency is not greater than 1000 Hz.
H04R 1/28 - Transducer mountings or enclosures designed for specific frequency response; Transducer enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
One or more embodiments of the present description relate to a vibration assembly. The vibration assembly comprises: a mass element; and an elastic element, the elastic element comprising a connecting area and a first preprocessing area, wherein the connecting area is used for supporting the mass element, and when the mass element vibrates, the amount of deformation of the first preprocessing area is greater than the amount of deformation of the area of the elastic element other than the first preprocessing area.
One or more embodiments of the present specification relate to a vibration assembly. The vibration assembly comprises: a mass element; and an elastic element, which comprises an enhancement area and a first preprocessing area, wherein the enhancement area is used for supporting the mass element, and the first preprocessing area provides, for the mass element, a first displacement in a vibration direction of the mass element.
An open acoustic apparatus (100). The open acoustic apparatus (100) comprises: a fixing structure (120), which is configured to fix the acoustic apparatus (100) at a position in the vicinity of an ear of a user without blocking an ear canal of the user; a first microphone array (130), which is configured to pick up environmental noise (410); a signal processor (140), which is configured to determine, on the basis of the environmental noise, a primary path transfer function between the first microphone array (130) and the ear canal of the user (420), estimate a noise signal at the ear canal of the user on the basis of the environmental noise and the primary path transfer function (430), and generate a noise reduction signal on the basis of the noise signal at the ear canal of the user (440); and a loudspeaker (150), which is configured to output a noise reduction acoustic wave according to the noise reduction signal (450), wherein the noise reduction acoustic wave is used for eliminating the noise signal at the ear canal of the user.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
24.
ACOUSTIC APPARATUS AND TRANSFER FUNCTION DETERMINATION METHOD THEREFOR
An acoustic apparatus (100, 200). The acoustic apparatus (100, 200) comprises a sound production unit (110, 210), a first detector (120, 220), a processor (130), and a fixing structure (180). The sound production unit (100, 200) is used for generating a first sound signal according to a noise reduction control signal. The first detector (120, 220) is used for acquiring a first residual signal. The first residual signal comprises a residual noise signal, which is formed by superimposing environmental noise with the first sound signal at the first detector (120, 220). The processor (130) is used for estimating a second residual signal at a target spatial position (A) according to the first sound signal and the first residual signal, and updating the noise reduction control signal according to the second residual signal; and the fixing structure (180) is used for fixing the acoustic apparatus (100, 200) at a position in the vicinity of an ear (230) of a user without blocking an ear canal of the user, and the target spatial position (A) is closer to the ear canal of the user than the first detector (120, 220).
The present description provides a voice activity detection method and system, a voice enhancement method and system. A microphone signal output by a microphone array satisfies a first model corresponding to a noise signal or a second model corresponding to mixing of a target voice signal and the noise signal. The methods and systems can optimize the first model and the second model by maximizing a likelihood function and minimizing a rank of a noise covariance matrix, and determine a first estimated value of a noise covariance matrix of the first model and a second estimated value of a noise covariance matrix of the second model, and decide whether the microphone signal satisfies the first model or the second model by means of a statistical hypothesis testing method, thereby determining whether a target voice signal is present in the microphone signal, as well as determine a noise covariance matrix of the microphone signal, and then perform voice enhancement on the microphone signal. The present methods and systems can improve noise covariance estimation precision, thereby improving a voice enhancement effect.
Embodiments of the present application disclose a sound leakage reducing device, comprising a transducer structure, a vibration structure and a housing. The housing has a vibration cavity and at least one resonance cavity; the transducer structure is located in the vibration cavity and is connected to the vibration structure; and the at least one resonance cavity communicates with the vibration cavity by means of at least one communication hole, and the volume of each resonance cavity is smaller than the volume of the vibration cavity.
The present application mainly relates to earphones. The earphones comprise a supporting assembly and a core module connected to the supporting assembly, wherein the supporting assembly is configured to support the core module to be worn in a wearing position; and the core module comprises a core shell, a transduction device and a vibration panel, the transduction device being arranged in an accommodating cavity of the core shell, and the vibration panel being connected to the transduction device and being configured to transmit mechanical vibration generated by the transduction device to a user.
The present application mainly relates to earphones, comprising a supporting assembly and an earphone core module connected to the supporting assembly; the supporting assembly is used for supporting the earphone core module to be worn at a wearing position; the earphone core module comprises an earphone-core housing, a transducer device and a vibration panel; the transducer device is disposed in the accommodating cavity of the earphone core housing; and the vibration panel is connected to the transducer device and is used for transmitting to a user the mechanical vibrations generated by the transducer device.
The present description provides a speech presence probability calculating method and system, a speech enhancement method and system, and headphones. By comparing entropy of a speech presence probability and entropy of a speech absence probability, the speech presence probability and the speech absence probability in an iteration process are corrected to obtain a higher convergence speed and a better convergence result. Thus, the speech presence probability and noise covariance matrix estimation accuracy is higher, thereby improving the speech enhancement effect of MVDR.
G10L 25/78 - Detection of presence or absence of voice signals
H04R 1/00 - LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS - Details of transducers
30.
HEART RATE MONITORING METHOD AND SYSTEM, AND STORAGE MEDIUM
The present description provides a heart rate monitoring method. The method comprises: acquiring a first signal, wherein the first signal comprises a target heart rate signal in a motion state; acquiring a motion signal corresponding to the motion state; on the basis of a motion frequency corresponding to the motion signal, recognizing a second signal of a target frequency from the first signal, wherein the target frequency is obtained from the linear superposition of the motion frequency and a heart rate frequency corresponding to the target heart rate signal; and on the basis of the motion signal and the second signal, processing the first signal so as to determine the target heart rate signal.
Disclosed in the embodiments of the present description is a vibration sensing apparatus, comprising: an acoustic transducer; and a vibration assembly, which is connected to the acoustic transducer, wherein the vibration assembly is configured to transmit an external vibration signal to the acoustic transducer, so as to generate an electrical signal. The vibration assembly comprises one or more groups of vibrating diaphragms and mass blocks, which mass blocks are physically connected to the vibrating diaphragms; and the vibration assembly is configured to enable, within one or more target frequency bands, the sensitivity of a vibration sensor to be greater than the sensitivity of the acoustic transducer.
G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass
G01H 11/06 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
Provided in the present disclosure is a microphone. The microphone may comprise at least one acoustoelectric converter and an acoustic structure. The acoustoelectric converter may be used for converting a sound signal into an electrical signal. The acoustic structure may comprise a sound guide tube and an acoustic cavity, wherein the acoustic cavity may be in acoustic communication with the acoustoelectric converter, and in acoustic communication with the outside of the microphone by means of the sound guide tube. The acoustic structure may have a first resonant frequency, and the acoustoelectric converter may have a second resonant frequency, wherein the absolute value of the difference between the first resonant frequency and the second resonant frequency is not less than 100 Hz. By means of the microphone provided in the present disclosure, different acoustic structures are provided, such that resonant peaks of different frequency ranges can be added to a microphone system, thereby improving the sensitivity of the microphone near a plurality of resonant peaks, and further improving the sensitivity of the microphone in the whole wide frequency band.
Embodiments of the present description provide a fixing assembly for a bone conduction vibrator and a wearable device. The bone conduction vibrator comprises: an elastic fixing part of a strip-shaped structure, the elastic fixing part comprising a first position and a second position which are spaced apart in the length direction of the elastic fixing part; and a fixing member configured to fix the elastic fixing part to a wearing object in a surrounding manner, so that the bone conduction vibrator is located between the elastic fixing part and the wearing object, wherein when the elastic fixing part surrounds the wearing object and is in a natural state, the fixing member matches the first position of the elastic fixing part, and when the fixing member matches the second position, the elastic fixing part provides the bone conduction vibrator with pressure acting on the wearing object, the pressure being within a preset pressure range.
The present disclosure relates to a microphone, the microphone comprising: a housing structure, a vibration pickup part, and at least two acoustic-electric conversion elements; in response to vibration of the housing structure, the vibration pick-up part produces vibration; the at least two acoustic-electric conversion elements are configured to respectively receive the vibration of the vibration pick-up part to produce an electrical signal, wherein the at least two acoustic-electric conversion elements have different frequency responses to the vibration of the vibration pick-up part.
Disclosed in the embodiments of the present application are a system and a method. The system comprises: at least one storage device, which stores a computer instruction; and at least one processor, which communicates with the at least one storage device, wherein when executing the stored computer instruction, the at least one processor enables the system to execute the following operations: acquiring a sensing signal of at least one sensing apparatus, identifying a signal feature of the sensing signal, and on the basis of the signal feature, determining an operation of a target object associated with the at least one sensing apparatus.
The present application mainly relates to an earphone and an earphone sound effect adjusting method. The earphone comprises: a loudspeaker used for playing back an audio file; a communication module used for establishing a communication connection with a terminal device, wherein the terminal device comprises a display screen, the display screen is used for displaying a first user interface, the first user interface is provided with a selection control for selecting any sound effect mode from at least two different sound effect modes, and an audio stream of the audio file played back by the earphone by means of the loudspeaker in different sound effect modes has different sound parameter values; and an optimization module used for adjusting, according to the correspondence between a certain sound effect mode and the sound parameter value, sound parameters of the audio stream of the audio file to sound parameters corresponding to the sound effect mode.
A sensing apparatus (10, 210), comprising: an elastic component (20, 220, 720, 820); a sensing cavity (50, 250), wherein the elastic component (20, 220, 720, 820) forms a first sidewall of the sensing cavity (50, 250); and a transduction component (30, 230), configured to obtain a sensing signal and convert the sensing signal into an electrical signal, wherein the transduction component (30, 230) is communicated with the sensing cavity (50, 250), the sensing signal is correlated with the size change of the sensing cavity (50, 250), the side of the elastic component (20, 220, 720, 820) facing the sensing cavity (50, 250) is provided with a protruding structure (23, 223, 823), the elastic component (20, 220, 720, 820) drives, in response to an external signal, the protruding structure (23, 223, 823) to move, and the movement of the protruding structure (23, 223, 823) changes the size of the sensing cavity (50, 250).
H04R 7/02 - Diaphragms for electromechanical transducers; Cones characterised by the construction
H04R 7/10 - Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
H04R 1/00 - LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS - Details of transducers
A vibration sensor (100), comprising: a transducer (110) and a vibration assembly (120) connected to the transducer (110). The vibration assembly (120) is configured to transmit an external vibration signal to the transducer (110) to generate an electrical signal; the vibration assembly (120) comprises one or more plate-like structures (121) and one or more mass blocks (122) physically connected to each of the one or more plate-like structures (121); the vibration assembly (120) is configured to make, in one or more target frequency bands, the sensitivity of the vibration sensor (100) greater than the sensitivity of the transducer (110).
One or more embodiments of the description relate to a vibration sensor. The vibration sensor comprises: a vibration assembly, the vibration assembly comprising a mass element and an elastic element, and the mass element being connected to the elastic element; a first acoustic cavity, the elastic element constituting one of the side walls of the first acoustic cavity, and the vibration assembly vibrating in response to an external vibration signal to cause the volume of the first acoustic cavity to change; an acoustic transducer in communication with the first acoustic cavity, the acoustic transducer generating an electrical signal in response to a volume change of the first acoustic cavity; and a cushioning component that limits the vibration amplitude of the vibration assembly, wherein the acoustic transducer has a first resonant frequency, the vibration assembly has a second resonant frequency, and the vibration assembly is configured to have a second resonant frequency lower than the first resonant frequency in one or more target frequency bands.
Provided in the embodiments of the present description are a vibration sensor, comprising an acoustic transducer and a vibration assembly, the vibration assembly being connected to the acoustic transducer, and the vibration assembly being configured to convey an external vibration signal to the acoustic transducer to produce an electrical signal; and a shell, configured to accommodate the acoustic transducer and the vibration assembly and to produce vibrations on the basis of the external vibration signal; the vibration assembly and the acoustic transducer form a plurality of acoustic cavities including a first acoustic cavity, the first acoustic cavity being in communication with the acoustic transducer, the vibration assembly making the sound pressure of the first acoustic cavity change in response to the vibration of the shell, and the acoustic transducer producing the electrical signal on the basis of the sound pressure change of the first acoustic cavity, wherein the vibration assembly comprises a first hole part, and the first acoustic cavity is in communication with another acoustic cavity by means of the first hole portion.
One or more of the embodiments of the present specification relate to a vibration sensor. The vibration sensor comprises: a vibration assembly, the vibration assembly comprising a mass element and an elastic element, and the mass element being connected to the elastic element; a first acoustic cavity, the elastic element constituting one of the side walls of the first acoustic cavity, and the vibration assembly vibrating in response to an external vibration signal such that the volume of the first acoustic cavity is changed; an acoustic transducer, the acoustic transducer being in communication with the first acoustic cavity, and the acoustic transducer generating an electrical signal in response to a change in volume of the first acoustic cavity; and a buffer member, the buffer member reducing the impact force generated by the mass element to the elastic element in the vibration process of the vibration assembly. The acoustic transducer has a first resonant frequency and the vibration assembly has a second resonant frequency, the vibration assembly is configured to enable the second resonant frequency to be lower than the first resonant frequency in one or more target frequency bands.
The embodiments of the present description relate to a vibration sensor, comprising: a housing structure and an acoustic transducer, the acoustic transducer being physically connected to the housing structure, and an acoustic cavity being formed by the housing structure and the acoustic transducer; and a vibration unit, which partitions the acoustic cavity into a plurality of acoustic cavities comprising a first acoustic cavity, the first acoustic cavity being in acoustic communication with the acoustic transducer, wherein the vibration unit comprises elastic elements and a mass element, the elastic elements and the mass element are located in the acoustic cavity, and the mass element is connected to the housing structure or the acoustic transducer by means of the elastic elements; the housing structure is configured to generate vibration on the basis of external vibration signals, the vibration unit changes the volume of the first acoustic cavity in response to the vibration of the housing structure, and the acoustic transducer generates electrical signals on the basis of the change in the volume of the first acoustic cavity; and the elastic elements comprise a first elastic element and a second elastic element, and the first elastic element and the second elastic element are respectively connected to the mass element, and spaced apart in a vibration direction of the vibration unit.
The present description provides a speech enhancement method. The method comprises: obtaining a first signal and a second signal of a target speech, the first signal being a signal of the target speech acquired on the basis of a first position, and the second signal being a signal of the target speech acquired on the basis of a second position; on the basis of a target speech position, the first position, and the second position, processing the first signal and the second signal to determine a first coefficient; determining a plurality of parameters related to a plurality of sound source directions on the basis of the first signal and the second signal, each parameter corresponding to a probability that a sound is emitted from one sound source direction to form the first signal and the second signal; determining a second coefficient on the basis of the plurality of parameters and the target speech position; and processing the first signal and/or the second signal on the basis of the first coefficient and the second coefficient to obtain a speech-enhanced first output speech signal corresponding to the target speech.
Disclosed in the present application are a wearable device and a quick-release assembly therefor. The quick-release assembly can be applied to the wearable device. The quick-release assembly comprises: a mounting seat, which is provided with an insertion cavity, wherein the insertion cavity is provided with an opening on one side of the mounting seat, and an accommodating cavity in communication with the insertion cavity is provided in the mounting seat; and a locking member, which comprises a locking portion and an unlocking portion connected to the locking portion, wherein the locking member is movably arranged on the mounting seat in a direction in which the accommodating cavity and the inserting cavity are in communication with each other. The locking member has a first state and a second state relative to the mounting seat, and when in the first state, at least part of the locking portion is located in the insertion cavity, so as to lock a visible member entering the insertion cavity from the opening; and when in the second state, the locking portion is accommodated in the accommodating cavity, so as to unlock the visible member. By means of the arrangement, the quick-release assembly provided in the present application can be conveniently and efficiently mounted on or dismounted from the visual member.
The method for audio signal generation may include obtaining a bone conduction audio signal and an air conduction audio signal. The method may also include obtaining a trained machine learning model that provides a mapping relationship between a set of bone conduction data derived from a specific bone conduction audio signal and one or more sets of equivalent air conduction data derived from a specific equivalent air conduction audio signal. The method may also include determining a target set of equivalent air conduction data corresponding to the bone conduction audio signal using the trained machine learning model based on the bone conduction audio signal and the air conduction audio signal. The method may further include causing an audio signal output device to output a target audio signal representing the speech of the user based on the target set of equivalent air conduction data.
G10L 25/30 - Speech or voice analysis techniques not restricted to a single one of groups characterised by the analysis technique using neural networks
Disclosed in the present application is an open earphone. The open earphone comprises: a fixing structure, which is configured to fix the earphone at a position in the vicinity of the ear of a user at which an ear canal of the user is not blocked; and a shell structure, which is configured to bear: a first microphone array configured to pick up ambient noise; at least one speaker array; and a signal processor, which is configured to: estimate the noise at a first spatial position on the basis of the picked-up ambient noise, wherein the first spatial position is closer to the ear canal of the user than any microphone in the first microphone array; and generate a noise reduction signal on the basis of the noise at the first spatial position, such that the at least one speaker array outputs a noise reduction acoustic wave according to the noise reduction signal, wherein the noise reduction acoustic wave is used for eliminating ambient noise, which is transferred to the ear canal of the user.
Disclosed in the present application are a method and system for configuring a bone conduction hearing aid device. The method comprises the following steps: acquiring hearing loss data of a wearer; determining a reference output parameter of a bone conduction hearing aid device at each sound level and at each frequency band on the basis of the hearing loss data; acquiring an adjustment value of the reference output parameter, wherein the adjustment value is at least related to the frequency band; and configuring the bone conduction hearing aid device on the basis of the reference output parameter and the adjustment value.
Embodiments of the present application disclose an acoustic input and output device, comprising: a loudspeaker assembly, configured to transmit sound waves by generating first mechanical vibrations; and a microphone, configured to receive second mechanical vibrations generated when a voice signal source provides a voice signal, wherein under the actions of the first mechanical vibrations and the second mechanical vibrations, the microphone separately generates a first signal and a second signal, and within a certain frequency range, the ratio of the first mechanical vibrations to the first signal is greater than the ratio of the second mechanical vibrations to the second signal.
One or more embodiments of the present description relate to an earphone. The earphone comprises: a speaker assembly, configured to be attached to the human head and perform sound transmission; a functional assembly, electrically connected to the speaker assembly and configured to control the speaker assembly; and an ear hook, connected between the speaker assembly and the functional assembly, the attitude or position of the speaker assembly or the functional assembly relative to the ear hook being adjustable.
The present application discloses an acoustic device. The acoustic device may comprise a microphone array, a processor, and at least one loudspeaker. The microphone array may be configured to pick up ambient noise. The processor may be configured to estimate a sound field of a target spatial position by using the microphone array. The target spatial position may be closer to the auditory meatus of a user than any microphone in the microphone array. The processor may be further configured to generate a noise reduction signal on the basis of the picked ambient noise and the sound field estimation of the target spatial position. The at least one loudspeaker may be configured to output a target signal according to the noise reduction signal. The target signal may be used for reducing the ambient noise. The microphone array may be provided in a target area to minimize interference signals, from the at least one loudspeaker, for the microphone array.
One or more embodiments of the present description relate to an earphone. The earphone comprises: a fixing structure configured to fix the earphone at a position that is in the vicinity of the ear of a user and does not block the ear canal of the user, the fixing structure comprising a hook-like portion and a body portion, wherein when the user wears the earphone, the hook-like portion is hung between a first side of the ear of the user and the head, and the body portion is in contact with a second side of the ear; a first microphone array located at the body portion and configured to pick up ambient noise; a processor located at the hook-like portion or the body portion and configured to: estimate a sound field of a target spatial position by using the first microphone array, the target spatial position being closer to the ear canal of the user than any microphone in the first microphone array, and generating a noise reduction signal on the basis of the estimation of the sound field of the target spatial position; and a loudspeaker located at the body portion and configured to: output a target signal according to the noise reduction signal, the target signal being transmitted to the outside of the earphone by means of a sound outlet hole so as to reduce the ambient noise.
A sensing device (600), comprising a sensor (610) that is used for converting sound signals into electrical signals, the sensor (610) having a first resonant frequency; and a resonance system, the resonance system comprising a vibration pickup unit (620) that is configured to generate vibration in response to the vibration of a housing (611) of the sensing device (600). The vibration pickup unit (620) at least comprises an elastic vibrating diaphragm (621) and a mass block (622), the elastic vibrating diaphragm (621) is connected to the housing (611) of the sensing device (600) by means of a peripheral side thereof, and the mass block (622) is at least made of a polymer material. A first acoustic cavity (630) is limitedly formed between the elastic vibrating diaphragm (621) and the sensor (610). When the housing (611) of the sensing device (600) generates vibration in response to an external sound signal, the elastic vibrating diaphragm (621) and the mass block (622) vibrate in response to the vibration of the housing (611) of the sensing device (600); during vibrating, the elastic vibrating diaphragm (621) causes a change in the sound pressure in the first acoustic cavity (630), and the sensor (610) converts, on the basis of the change in the sound pressure in the first acoustic cavity (630), the external sound signal into an electrical signal. The resonant system provides at least one second resonant frequency for the sensing device (600), and the second resonant frequency is lower than the first resonant frequency.
A sensing device (2500). The sensing device (2500) comprises a housing (2510) and a transducer unit (2520). An accommodating cavity is formed inside the housing (2510). The transducer unit (2520) comprises a vibration pickup structure (2521) for picking up vibration of the housing (2510) to generate an electrical signal. The transducer unit (2520) divides, in the accommodating cavity, the accommodating cavity into a front cavity (2501) and a rear cavity (2502) located on opposite sides of the vibration pickup structure (2521). At least one of the front cavity (2501) and the rear cavity (2502) is filled with a liquid (2540). The liquid (2540) is in contact with the vibration pickup structure (2521). A gas cavity is formed between the liquid (2540) and the housing (2510).
A sensing device (2500), comprising: a housing (2510), an accommodating cavity being provided inside the housing (2510); a transduction unit (2520) comprising a vibration pickup structure (2521) used for picking up electric signals generated by vibration of the housing (2510), wherein the transduction unit (2520) divides the accommodating cavity into a front cavity (2530) and a rear cavity (2540) located on opposite sides of the vibration pickup structure (2521), and at least one of the front cavity (2530) or the rear cavity (2540) is filled with liquid, and the liquid is contact with the vibration pickup structure (2521); and one or more duct structures (2550), each duct structure (2550) being configured to communicate the accommodating cavity with the exterior of the housing (2510), and the liquid being at least partially located in the one or more duct structures (2550).
H04R 1/00 - LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS - Details of transducers
A sensing apparatus (300). The sensing apparatus (300) comprises: a sensing structure (300A), which has a first resonant frequency, and a pickup structure (300B), which is configured to be in communication with an air conduction sound (340) of the sensing apparatus (300) by means of a sound intake hole (370), wherein an acoustic cavity (360) is formed between the pickup structure (300B) and the sensing structure (300A); when the pickup structure (300B) generates vibrations in response to the air conduction sound (340) transferred by means of the sound intake hole (370), the vibrations cause a change in sound pressure inside the acoustic cavity (360), and the sensing structure (300A) converts the air conduction sound (340) into an electrical signal on the basis of the change in the sound pressure inside the acoustic cavity (360); and the pickup structure (300B) provides a second resonant frequency for the sensing apparatus (300), and the difference between the second resonant frequency and the first resonant frequency is within the range of 1000 Hz to 10000 Hz.
A vibration sensing apparatus (100), comprising a vibration sensor (110) and at least one vibration assembly. The vibration sensor (110) has a first resonant frequency, the at least one vibration assembly may be used for transmitting received vibrations to the vibration sensor (110), and the vibration assembly may comprise a liquid provided in a target cavity and a plate body forming a portion of a cavity wall of the target cavity. The at least one vibration assembly may provide at least one second resonant frequency for the vibration sensing apparatus (100), and the at least one second resonant frequency may be different from the first resonant frequency.
A sensing device (200, 250, 900, 1000), comprising: an acceleration sensor (100) having a first resonance frequency, wherein the acceleration sensor (100) comprises a housing (110, 610) and a sensing element (120, 400, 500, 600, 800, 910, 1010), and the sensing element (120, 400, 500, 600, 800, 910, 1010) is located in a cavity (610) formed by the housing (110, 610); and at least one resonant system (210, 260) coupled with the sensing element (120, 400, 500, 600, 800, 910, 1010), wherein the at least one resonant system (210, 260) provides the sensing device (200, 250, 900, 1000) with at least one second resonance frequency, the at least one second resonance frequency being the same as or different from the first resonance frequency.
Provided in the present specification is an acoustic output apparatus. The acoustic output apparatus may comprise a bone conduction acoustic component, an air conduction acoustic component and a housing. The bone conduction acoustic component can be used to generate bone conduction sound waves. The air conduction acoustic component can be used to generate air conduction sound waves. The housing may comprise an accommodating cavity for accommodating the bone conduction acoustic component and the air conduction acoustic component. At least part of the housing can be in contact with a user's skin to transfer the bone conduction sound waves under the action of the bone conduction acoustic component. The air conduction sound waves can be generated on the basis of vibration when at least one of the housing or the bone conduction acoustic component generates the bone conduction sound waves.
Disclosed in the present application is an acoustic device. The acoustic device may comprise a housing, a transduction device and a diaphragm. The housing may be configured to form an accommodating cavity. The transduction device may be arranged in the accommodating cavity and connected to the housing, such that the housing generates bone conduction sound under the action of the transduction device. The diaphragm may be connected between the transduction device and the housing, so as to divide the accommodating cavity into a first cavity and a second cavity. The housing may be provided with at least one pressure relief hole in communication with the first cavity and at least one sound adjustment hole in communication with the second cavity. At least some of the pressure relief holes and at least some of the sound adjustment holes may be provided adjacent to each other. The housing may also be provided with a sound output hole in communication with the second cavity. The vibrating diaphragm can generate air conduction sound transmitted outwards by means of the sound output hole in the process of relative movement between the transduction device and the housing.
H04R 1/00 - LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS - Details of transducers
Embodiments of the present application provide an acoustic output device, comprising: a bone conduction acoustic component used for generating a bone conduction sound wave; an air conduction acoustic component used for generating an air conduction sound wave; and a housing used for accommodating at least some elements in the bone conduction acoustic component and the air conduction acoustic component. The housing comprises a first chamber and a second chamber, the first chamber is used for accommodating at least a part of the bone conduction acoustic component, the housing is provided with a sound outlet hole in communication with the second chamber, and the air conduction sound wave is transmitted to the outside of the acoustic output device by means of the sound outlet hole. A frequency response curve of the air conduction sound wave has one or more resonance peaks, and a peak resonance frequency of the resonance peaks is greater than or equal to 1 kHz.
The present application provides an acoustic output device. The acoustic output device may comprise a speaker assembly. The speaker assembly may comprise a transducer, a diaphragm, and a housing. The diaphragm vibrates under the drive of the transducer to produce air-transmitted sound waves. The housing may form an accommodating cavity for accommodating the transducer and the diaphragm. The diaphragm may divide the accommodating cavity to form a first cavity and a second cavity. The housing is provided with a sound outlet communicated with the second cavity. The air-transmitted sound waves are transmitted to the outside of the acoustic output device from the sound outlet. The housing is provided with a sound guide channel communicated with the sound outlet so as to guide the air-transmitted sound wave to a target direction outside the acoustic output device. The length of the sound guide channel may be less than or equal to 7 mm.
The present application provides an acoustic output device. The acoustic output device comprises: a speaker assembly used for converting an audio signal into a vibration signal; a functional assembly electrically connected to the speaker assembly; and a support structure used for being connected to the speaker assembly and the functional assembly, the support structure being internally provided with a metal body, and the metal body being electrically connected to the functional assembly.
A speech enhancement method and system. The method comprises: obtaining a first signal and a second signal of target speech (410), the first signal and the second signal being speech signals of the target speech at different speech acquisition positions; determining a target signal-to-noise ratio of the target speech on the basis of the first signal and/or the second signal (420); determining, on the basis of the target signal-to-noise ratio, a processing mode for the first signal and the second signal (430); and processing the first signal and the second signal on the basis of the determined processing mode to obtain a speech-enhanced output speech signal corresponding to the target speech (440).
An exercise monitoring method (500), comprising: acquiring an action signal when a user exercises, wherein the action signal at least comprises an electromyographic signal or a posture signal (510); and monitoring an action of the exercise of the user at least on the basis of feature information corresponding to the electromyographic signal or feature information corresponding to the posture signal (520).
Provided in the present application are a method and system for recognizing user actions. By means of the method and system, user action data collected from a plurality of measurement locations of a user can be acquired, wherein the user action data corresponds to unknown user actions; on the basis of at least one set of target reference action data, the user actions are recognized to comprise a target action while the user action data is acquired, wherein the at least one set of target reference action data corresponds to the target action; and information related to the target action is sent to the user.
The present description provides a vibration sensor and a microphone, composed of a piezoelectric system and a capacitive system. The piezoelectric system comprises a vibrating component and a piezoelectric sensing component that collects a first electrical signal generated due to deformation of the vibrating component. The capacitive system uses the vibrating component in the piezoelectric system as a movable capacitive plate in the capacitive system, and a fixed substrate and the vibrating component are arranged opposite each other to form a capacitive vibration sensor. The deformation of the vibrating component causes the distance between the vibrating component and the fixed substrate to change, and a capacitive sensing component collects a second electrical signal generated due to the change in the distance. The capacitive sensing component is arranged in an area, in which the first electrical signal is low, in the piezoelectric system, so that the space of the vibration sensor can be rationally utilized, and second electrical signals collected by the capacitive system can be increased without affecting the output of the first electrical signal of the piezoelectric system, thereby improving the sensitivity of the vibration sensor and also increasing the space utilization.
G01H 11/08 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
67.
SIGNAL PROCESSING SYSTEM, METHOD AND APPARATUS, AND STORAGE MEDIUM
A signal processing system (300) and method. The signal processing system (300) comprises at least one microphone (110, 310) and at least one vibration sensor (130, 330). The at least one microphone (110, 310) is configured to collect a sound signal, the sound signal comprising at least one of user voice and ambient noise. The at least one vibration sensor (130, 330) is configured to collect a vibration signal, the vibration signal comprising at least one of the user voice and the ambient noise. The signal processing system (300) further comprises a processor (140). The processor (140) is configured to determine a relationship between a noise component in the sound signal and a noise component in the vibration signal (230), and perform noise reduction processing on the vibration signal at least on the basis of the relationship to obtain a target vibration signal (240).
An exercise data display method and system provided in the present application. Action data of a user during exercise and reference action data corresponding to the action data of the user can be obtained, the action data of the user and the reference action data can be combined with a virtual character, the comparison between the action data of the user and the reference action data is intuitively shown by means of an animation of the virtual character, and the user can intuitively find a difference between the action data of the user and the reference action data by observing the animation of the virtual character, so as to correct an action during exercise and scientifically carry out exercise.
The present application provides an exercise data processing method and an exercise monitoring system, by means of which electromyographic signals can be processed in a frequency domain or a time domain, so as to identify, from among the electromyographic signals, an abnormal signal, such as a mutation signal, a missing signal, a saturation signal and an oscillation signal caused by a high-pass filter. By means of the exercise data processing method and the exercise monitoring system, data sampling can also be performed on the electromyographic signals by means of a data sampling algorithm, and data at a moment where the abnormal signal is present can be predicted on the basis of the sampled data, thereby obtaining predicted data; and the abnormal signal is replaced with the predicted data, such that the abnormal signal is corrected. By means of the exercise data processing method and the exercise monitoring system, the abnormal signal can not only be accurately identified, but the abnormal signal can also be corrected, such that corrected data is more in line with the actual exercise of a user, thereby improving the user experience.
Disclosed in the present description is a motion monitoring interface display method. The method comprises: acquiring, from at least one sensor, an action signal when a user moves, wherein the action signal at least comprises an electromyographic signal or a pose signal; determining information related to the motion of the user by processing the action signal; and displaying the information related to the motion of the user.
The present application discloses a hearing aid device. The hearing aid device comprises: at least one microphone, configured to acquire an external sound signal and convert the sound signal into an electrical signal; a signal processing circuit, configured to process the electrical signal to generate a control signal; at least one vibration speaker, configured to convert the electrical signal into a vibration signal; and a housing structure, configured to carry at least one of the at least one microphone, the signal processing circuit, and the at least one vibration speaker; wherein the sound signal comprises an original signal and an air-conduction sound leakage signal generated from the at least one vibration speaker, and a difference in the sound pressure level between the air-conduction sound leakage signal received by the at least one microphone from the at least one vibration speaker and the original signal is not greater than -33 dB.
Disclosed is a bone conduction speaker, comprising: a vibration assembly, wherein the vibration assembly comprises a vibration element and a vibration housing, the vibration element is used for converting an electric signal into mechanical vibration, and the vibration housing is used for coming into contact with a user's face and transmitting the mechanical vibration to the user in a bone conduction manner to generate sound; and a resonance assembly, wherein the resonance assembly comprises a first elastic element and a mass element, the mass element is connected to the vibration assembly by the first elastic element, the vibration assembly causes vibration of the resonance assembly, and the vibration of the resonance assembly can reduce the vibration amplitude of the vibration housing.
Disclosed in embodiments of the present description is a loudspeaker. The loudspeaker comprises: a vibration assembly, the vibration assembly comprising a vibration element and a vibration housing, the vibration element converting an electrical signal into mechanical vibration, and the vibration housing being in contact with the facial skin of a user; and a first elastic element, the first elastic element being elastically connected to the vibration housing.
The present application provides an impedance device, comprising: a mass portion, an elastic portion and a fixed portion, the mass portion is connected to the fixed portion by means of the elastic portion; and a damping portion disposed between the mass portion and the fixed portion to provide damping for the movement of the mass portion relative to the fixed portion. When the mass portion is in contact with an external vibration unit, the mass portion receives the vibration of the vibration unit and moves relative to the fixed portion, the mass of the mass portion ranges from 0.5 g to 5 g, the elastic coefficient of the elastic portion ranges from 600 N/m to 5000 N/m, the damping range of the damping portion is 1-4, and the impedance device provides the vibration unit a mechanical impedance ranging from 6 dB to 50 dB.
Disclosed is a method for optimizing a work state of bone conduction headphones. The present application is characterized in that the bone conduction headphones comprise a headphone core and at least one vibration sensor. The method comprises: acquiring a vibration signal via the at least one vibration sensor, the vibration signal at least partly being derived from a vibration generated by the headphone core responding to an audio signal, the vibration of the headphone core being configured to be transmitted by means of bone conduction to a user wearing the bone conduction headphones; determining the vibration response characteristics of the headphone core on the basis of the vibration signal and of the audio signal; and feeding back a work state of the bone conduction headphones on the basis of the vibration response characteristics of the headphone core.
According to an audio noise reduction method and system provided in the present description, by using the frequency of an audio signal as a unit, gain coefficients corresponding to frequency units can be generated according to a parameter related to the frequency, and the gain coefficients are used to respectively perform gain processing on each frequency unit. According to the method and system, a gain coefficient corresponding to a frequency unit comprising more effective audio signals is greater, and a gain coefficient corresponding to a frequency unit comprising less effective audio signals is smaller, such that the audio signals corresponding to the frequency part comprising more effective audio signals are more reserved, and the audio signals corresponding to the frequency part comprising less effective audio signals are less reserved, thereby improving the audio signal quality and improving the fidelity and intelligibility of the audio signals while reducing noise.
Provided are an audio signal processing method and system for suppressing an echo. The selection of a target audio processing mode is controlled according to the strength of a loudspeaker signal. According to the method and system, a corresponding control signal is generated according to the strength of a loudspeaker signal, and a target audio processing mode is controlled according to the control signal to perform signal processing on a microphone signal, so as to obtain a better voice quality; when the loudspeaker signal does not exceed a threshold value, the system selects a first mode, and performs signal processing on a first audio signal and a second audio signal, so as to obtain a piece of first target audio; and when the loudspeaker signal exceeds the threshold value, the system selects a second mode, and performs signal processing on the second audio signal, so as to obtain a piece of second target audio. By means of the method and system, a target audio processing mode can be switched according to a loudspeaker signal, thereby ensuring that a better voice quality can be obtained in different scenarios, such that the voice communication quality is improved.
Disclosed in the present application is a bone-conduction-based sound conduction device, comprising: a stack structure formed by a vibration unit and an acoustic transducer unit; and a base structure configured bear the stack structure. At least one side of the stack structure is physically connected to the base structure; the base structure vibrates on the basis of an external vibration signal; the vibration unit deforms in response to the vibration of the base structure; and the acoustic transducer unit generates an electrical signal on the basis of the deformation of the vibration unit.
Disclosed is a bone conduction microphone. The bone conduction microphone comprises: a laminated structure formed by a vibration unit and an acoustic transduction unit; and a substrate structure, configured to carry the laminated structure, wherein at least one side of the laminated structure is physically connected to the substrate structure; the substrate structure generates vibration on the basis of an external vibration signal; the vibration unit deforms in response to the vibration of the substrate structure; the acoustic transduction unit generates an electrical signal on the basis of the deformation of the vibration unit; and the resonant frequency of the bone conduction microphone is 2.5 kHz-4.5 kHz.
The present application provides a sound generating device. The sound generating device comprises a vibrating diaphragm and a housing. The housing comprises a first sound guide hole and a second sound guide hole. The vibrating diaphragm is in the housing, and the first sound guide hole and the second sound guide hole are respectively located at two sides of the vibrating diaphragm. When a user wears the sound generating device, the distance between the first sound guide hole and the opening of the user's ear canal is less than the distance between the vibrating diaphragm and the opening of the user's ear canal; the range of the angle between a connection line between the first sound guide hole and the second sound guide hole and a connection line between the center of mass of the vibrating diaphragm and the opening of the user's ear canal is less than 45 degrees; and the distance between the second sound guide hole and the opening of the user's ear canal is greater than the distance between the vibrating diaphragm and the opening of the user's ear canal.
A vibration sensor (200). The vibration sensor comprises: a vibration receiver (210) comprising a housing (211) and a vibration unit (212), wherein the housing (211) defines an acoustic cavity, and the vibration unit (212) is located in the acoustic cavity to divide the acoustic cavity into a first acoustic cavity (213) and a second acoustic cavity (214); and an acoustic transducer (220) in communication with the first acoustic cavity (213), wherein the housing (211) is configured to generate vibrations on the basis of an external vibration signal, and the vibration unit (212) changes the acoustic pressure in the first acoustic cavity (213) in response to the vibrations of the housing (211), such that the acoustic transducer (220) generates an electrical signal; and the vibration unit (212) comprises a mass element (2121) and an elastic element (2122), the area of one side, away from the acoustic transducer (220), of the mass element (2121) is smaller than the area of one side, close to the acoustic transducer (220), of the mass element (2121), and the elastic element (2122) is connected to a side wall of the mass element (2121) in a surrounding manner.
A vibration sensor (200), comprising: a vibration receiver (210) and an acoustic transducer (220). The vibration receiver (210) comprises a housing (211), a limiting member (212) and a vibration unit (213), wherein the housing (211) and the acoustic transducer (220) form an acoustic cavity; the vibration unit (213) is located in the acoustic cavity and divides the acoustic cavity into a first acoustic cavity (214) and a second acoustic cavity (215); the acoustic transducer (220) is in acoustic communication with the first acoustic cavity (214); the housing (211) is configured to generate vibrations on the basis of external vibration signals; the vibration unit (213) changes the sound pressure in the first acoustic cavity (214) in response to the vibration of the housing (211), such that the acoustic transducer (220) generates an electrical signal; the vibration unit (213) comprises a mass element (2131) and an elastic element (2132); and a first side of the elastic element (2132) surrounds and is connected to a side wall of the mass element (2131), and a second side of the elastic element (2132) is connected to the limiting member (212).
A vibration sensor (100), comprising: a housing structure (110,510,610,710,810,910,1010,1110,1510,1710) and an acoustic transducer (120,520,620,720,820,920,1020,1120,1220,1320,1420,1520,1720) which is physically connected to the housing structure (110,510,610,710,810,910,1010,1110,1510,1710), wherein at least part of the housing structure (110,510,610,710,810,910,1010,1110,1510,1710) and the acoustic transducer (120,520,620,720,820,920,1020,1120,1220,1320,1420,1520,1720) define to form a first acoustic chamber (140,1040); and a vibration unit (130) which is located in the first acoustic chamber (140,1040) and partitions the first acoustic chamber (140,1040) into a second acoustic chamber (142,542,642,742,842,942,1042,1142,1242,1342,1442,1542,1642) and a third acoustic chamber (141,941,1041,1141,1541,1641), wherein the second acoustic chamber (142,542,642,742,842,942,1042,1142,1242,1342,1442,1542,1642) is in acoustic communication with the acoustic transducer (120,520,620,720,820,920,1020,1120,1220,1320,1420,1520,1720). The housing structure (110,510,610,710,810,910,1010,1110,1510,1710) is configured to vibrate based on external vibration signals. The vibration unit (130) changes the volume of the second acoustic chamber (142,542,642,742,842,942,1042,1142,1242,1342,1442,1542,1642) in response to the vibration of the housing structure (110,510,610,710,810,910,1010,1110,1510,1710), and the acoustic transducer (120,520,620,720,820,920,1020,1120,1220,1320,1420,1520,1720) generates electrical signals based on the change in the volume of the second acoustic chamber (142,542,642,742,842,942,1042,1142,1242,1342,1442,1542,1642). The vibration unit (130) acts on the second acoustic chamber (142,542,642,742,842,942,1042,1142,1242,1342,1442,1542,1642) such that the resonant frequency of the vibration sensor (100) is 800 Hz to 8000 Hz. The vibration sensor (100) has high sensitivity.
Provided are an audio generation method and system. A frequency splicing point of an audio signal can be dynamically selected according to a voice quality corresponding to each frequency, in a frequency domain, of a first audio signal and a second audio signal, so as to divide the frequency domain into a first frequency interval and a second frequency interval; and an audio signal with a higher voice quality corresponding to each frequency interval is selected for splicing, so as to obtain target audio formed after the first audio signal and the second audio signal are fused, such that the voice quality of the target audio in each frequency interval in the frequency domain is optimal, thereby improving the voice quality of the fused target audio.
Provided are a signal processing circuit and method. The signal processing circuit (200) comprises at least two signal collection circuits (211, 212, 213, 214), a switch circuit (220), an analog circuit (230) and a control circuit (240), wherein the at least two signal collection circuits (211, 212, 213, 214) are used for collecting at least two target signals; the switch circuit is used for controlling a connection between the at least two signal collection circuits (211, 212, 213, 214) and the analog circuit (230), such that target signals collected by only some of the at least two signal collection circuits (211, 212, 213, 214) are transmitted to the analog circuit (230) at the same time; the analog circuit (230) is used for processing the target signals received thereby; and the control circuit (240) is used for receiving the target signals processed by the analog circuit, and sampling the processed target signals.
Disclosed in the present application is a bone conduction sound transmission device, comprising a laminated structure formed by a vibrating unit and an acoustic transducer unit; and a base structure configured to bear the laminated structure. At least one side of the laminated structure is physically connected to the base structure; the base structure generates vibration on the basis of an external vibrating signal; the vibrating unit is deformed in response to the vibration of the base structure; and the acoustic transducer unit generates an electrical signal on the basis of the deformation of the vibrating unit.
Disclosed in embodiments of the present application is a signal processing circuit. The signal processing circuit comprises an analog circuit. The analog circuit is configured to process an initial signal received by the analog circuit, the initial signal comprising a target signal and a noise signal. The analog circuit comprises a first processing circuit and a second processing circuit connected to the first processing circuit. The first processing circuit is configured to increase a ratio between the target signal and the noise signal, and output a first processing signal. The second processing circuit is configured to amplify the first processing signal, and a gain factor of the first processing signal made by the second processing circuit changes along with a frequency change of the first processing signal. The first processing circuit comprises a common-mode signal suppression circuit, a low pass filter circuit, and a high pass filter circuit. The common-mode signal suppression circuit is configured to suppress a common-mode signal in the initial signal.
A vibration sensor (100, 200, 600, 700, 800, 900, 1100, 1200), comprising: a vibration receiver (110, 210, 710, 810, 910, 1110, 1210), comprising a housing (211, 611, 711, 811, 911, 1111, 1211) and a vibration unit (212, 612, 712, 812, 912, 1112, 1212), the housing (211, 611, 711, 811, 911, 1111, 1211) forming an acoustic cavity (213, 713, 813, 913, 1113, 1213), and the vibration unit (212, 612, 712, 812, 912, 1112, 1212) being positioned in the acoustic cavity (213, 713, 813, 913, 1113, 1213) to divide the acoustic cavity (213, 713, 813, 913, 1113, 1213) into a first acoustic cavity (2131, 7131, 8131, 9131, 11131, 12131) and a second acoustic cavity (2132, 7132, 8132, 9132, 11132, 12132); and an acoustic transducer (120, 220, 720, 820, 920, 1120, 1220) in acoustic communication with the first acoustic cavity (2131, 7131, 8131, 9131, 11131, 12131); the housing (211, 611, 711, 811, 911, 1111, 1211) is configured to produce vibration on the basis of an external vibration signal, and the vibration unit (212, 612, 712, 812, 912, 1112, 1212) vibrates in response to the vibration of the housing (211, 611, 711, 811, 911, 1111, 1211) and transmits vibration by means of the first acoustic cavity (2131, 7131, 8131, 9131, 11131, 12131) to the acoustic transducer (120, 220, 720, 820, 920, 1120, 1220) to produce an electrical signal; and the vibration unit (212, 612, 712, 812, 912, 1112, 1212) comprises a mass element (2121, 6121, 7121, 8121, 9121, 11121, 12121) and an elastic element (2122, 6122, 7122, 8122, 9122, 11122, 12122), the deviation between the cross-sectional areas of the mass element (2121, 6121, 7121, 8121, 9121, 11121, 12121) and the first acoustic cavity (2131, 7131, 8131, 9131, 11131, 12131) perpendicular to the vibration direction of the mass element (2121, 6121, 7121, 8121, 9121, 11121, 12121) being less than 25%.
Eyeglasses, comprising: an eyeglasses body (10), the eyeglasses body (10) comprising a rim (11) and temples (12), the rim (11) being physically connected to the temples (12); and at least one bone conduction microphone (20) configured to convert a vibration signal into an electrical signal. The at least one bone conduction microphone (20) is physically connected to the rim (11) or the temple (12), and the at least one bone conduction microphone (20) is used for receiving vibration signal from the rim (11), the temple (12), or the body of a user. The eyeglasses have strong anti-noise capability and a wide application range.
A device for collecting and processing an electromyographic signal of a human body. The device comprises: an electrode module (100, 200, 300), configured to collect an electromyographic signal of a human body. The electrode module comprises a substrate structure (103, 203, 303) and at least two electrodes (101, 102, 201, 202, 204, 301, 302, 304, 305), and the at least two electrodes (101, 102, 201, 202, 204, 301, 302, 304, 305) are arranged at intervals and are provided on the surface of the substrate structure (103, 203, 303).
Disclosed in the present application is an acoustic output apparatus, wherein the acoustic output apparatus can comprise at least one acoustic driver, a housing structure, and at least two sound guide holes. The at least one acoustic driver outputs sound having an opposite phase from the at least two sound guide holes. The housing structure is configured to carry the at least one acoustic driver. The housing structure is provided with a user contact surface for making contact with a user. When the user wears the acoustic output apparatus, the user contact surface makes contact with the body of the user. The included angle between a connection line of the at least two sound guide holes and the user contact surface is 75°-105°.
A wearable apparatus (1000), comprising wearing members (100) and a visual member (200). Each of the wearing member (100) comprises connecting sections (10) and a recessed section (20), wherein the recessed section (20) is connected to the connecting sections (10); the recessed section (20) makes an upper edge of the wearing member (100) have a downward recess (22) along the wearing member (100); an acoustic output end (30) is arranged in the recessed section (20); and the recessed section (20) causes the acoustic output end (30) to be located in front of or near the ears of a user. The wearable apparatus (1000) can transmit sound signals to the user more conveniently.
An acoustic device (200, 300) comprises a hook-shaped portion (210, 310), a connecting portion (230, 330) and a holding portion (220, 320). When the acoustic device (200, 300) is worn by a user, the hook-shaped portion (210, 310) is hung between a first side of an ear (100) of the user and the user's head, the holding portion (220, 320) comes into contact with a second side of the ear, and the hook-shaped portion (210, 310) is in connection with the holding portion (220, 320) by means of the connecting portion (230, 330). The hook-shaped portion (210, 310) comprises a first portion (311) and a second portion (312), wherein the first portion (311) is connected to the connecting portion (230, 330), and the second portion (312) is connected to the first portion (311); a projection of the first portion (311) onto a sagittal plane of the user has a first curve; a projection of the second portion (312) onto the sagittal plane of the user has a second curve; the first curve has a first extreme point in a first direction; the second curve has a second extreme point in the first direction; the first direction is perpendicular to a cross section direction of the user; and a point where the first curve and the second curve are connected to each other is a point where the bottom edge of the holding portion (220, 320) away from the connecting portion (230, 330) in the direction perpendicular to the cross section of the user and a projection of the hook-shaped portion (210, 310) onto the sagittal plane of the user intersect.
Disclosed in the present application is a sound reinforcement apparatus, comprising a vibration body, and the vibration body comprising at least one first vibration surface and at least one contact region used for being in contact with a vibration source. Contact between the vibration source and the contact region is achieved by using a detachable mode, and the area of the first vibration surface is greater than that of the contact region; the vibration source is used for generating vibration; the vibration is transmitted to the first vibration surface through the contact region, and is transmitted outward through the first vibration surface.
Disclosed in the embodiments of the present application are a method and system for obtaining a vibration transfer function. The method comprises: a test signal generation unit generates a first test sound signal and a second test sound signal; a sound generation unit separately generates a first sound and a second sound according to the first test sound signal and the second test sound signal; at least one detector separately receives the first sound at a first position and then outputs a first feedback signal, and receives the second sound at a second position and then outputs a second feedback signal, the first feedback signal comprising a signal that is transferred by the sound generation unit to the first position by means of a vibration transfer path and an air conduction transfer path, and the second feedback signal comprising a signal that is transferred by the sound generation unit to the second position by means of the air conduction transfer path; and a feedback path calculation unit determines the vibration transfer function from the sound generation unit to the first position according to the first test sound signal, the second test sound signal, the first feedback signal, and the second feedback signal.
H04R 1/00 - LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS - Details of transducers
The present application discloses a hearing aid device. The hearing aid device may comprise: a signal input module configured to receive initial sound and convert the initial sound into an electric signal; a signal processing module configured to process the electric signal and generate a control signal; and at least one output transducer configured to convert the control signal into bone-conducted sound waves of a user and air-conducted sound waves that can be heard by an ear of the user. In a target frequency range, the air-conducted sound waves are transmitted to the ear of the user, so that the sound intensity of air-conducted sound heard by the ear of the user is greater than the sound intensity of the initial sound received by the signal input module.
Disclosed are a method and system for detecting a state of a bone conduction hearing device. A bone conduction hearing device at least comprises a microphone, a loudspeaker, a feedback analysis unit, and a signal processing unit. The method comprises: a loudspeaker generating a third sound on the basis of a first signal, wherein the first signal is generated by a signal processing unit; a microphone receiving the third sound and generating a feedback signal; a feedback analysis unit determining, on the basis of the feedback signal of the microphone and the first signal, a feedback path transmission function from the loudspeaker to the microphone of a bone conduction hearing device; acquiring at least one preset feedback path transmission function; comparing the feedback path transmission function with the at least one preset feedback path transmission function; and the signal processing unit determining a state of the bone conduction hearing device according to a comparison result.
Provided in the present application is an acoustic device. The acoustic device may comprise a housing, one or more sound pickup assemblies, and one or more channel members. The housing may have an accommodation space and one or more communication holes. Each communicating hole communicates the accommodating space with the outside. The one or more sound pickup assemblies may be arranged in the accommodating space and used for picking up sound by means of the communication holes. The one or more channel members may be arranged in the accommodating space, wherein at least one of the one or more channel members is arranged between a sound pickup element of the one or more sound pickup assemblies and one of the one or more communication holes, such that the sound is transmitted to the sound pickup element by means of at least one of the one or more channel members after passing through the communication hole.
Disclosed in the present application is an acoustic device, comprising: a housing having an accommodating cavity and an opening; a speaker comprising a vibration component, the vibration component being accommodated in the accommodating cavity; a protective component used for blocking foreign objects from entering the accommodating cavity from the opening, at least a part of the protective component being physically connected to the vibration component to transmit the vibration of the vibration component to the outside.
Disclosed in the present application is an acoustic output device. The acoustic output device comprises: an acoustic driver, the acoustic driver comprising a diaphragm and a magnetic circuit structure, a front surface of the acoustic driver being formed on the side of the diaphragm facing away from the magnetic circuit structure, a rear surface of the acoustic driver being formed on the side of the magnetic circuit structure facing away from the diaphragm, and the diaphragm vibrating such that the acoustic driver radiates sound outward from the front and rear surfaces of the acoustic driver, respectively; and a housing structure configured to carry the acoustic driver, wherein a rear cavity is formed by the rear surface of the acoustic driver and the housing structure, different sidewalls of the rear cavity are connected by a curved structure, the housing structure comprises at least one sound outlet, the at least one sound outlet is acoustically coupled with the rear cavity and transmits, to the outside of the acoustic output device, the sound radiated by the acoustic driver to the rear cavity, and the at least one sound outlet is located in at least part of the sidewalls of the rear cavity.
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