Provided in the embodiments of the present description is a pair of headphones, comprising two loudspeaker assemblies, a connector and a processing circuit. The connector is configured to connect the two loudspeaker assemblies to each other, and provides, by means of bending deformation, a clamping force for fixing the two loudspeaker assemblies to the head of a user. The connector comprises a housing having an accommodation cavity, wherein the accommodation cavity is internally provided with a bending sensor, which is configured to generate a bending signal on the basis of the bending state of the connector. The processing circuit is configured to judge the placement state of the headphones on the basis of the bending signal, wherein the placement state comprises one of a normal wearing state, an abnormal wearing state and a free placement state.
The present application discloses a detection method, an electronic device, and a readable storage medium. The detection method is used for detecting the states of wireless earphones and a charging box, a magnet is provided on the charging box, and magnetic sensors are provided on the wireless earphones. The detection method comprises: detecting whether detection signals of magnetic sensors are switched from a first state to a second state; detecting whether power receiving terminals of wireless earphones are electrically connected to a power supply terminal of a charging box; and in response to the fact that the detection signals are switched to the second state and the power receiving terminals are electrically connected to the power supply terminal, generating a boxing indication signal for indicating that the wireless earphones are placed into the charging box. According to the present application, it is detected whether the detection signals of the magnetic sensors are subjected to state switching, it is determined whether the wireless earphones are electrically connected to the charging box, and if it is determined that the detection signals are subjected to state switching, it is detected whether the states of the detection signals after switching are kept unchanged, so that the states of the wireless earphones and the charging box are accurately determined.
Disclosed in the present application is an earphone. The earphone comprises a loudspeaker assembly and a shielding member. The shielding member comprises a first blocking member, wherein the first blocking member is arranged on a side of the loudspeaker assembly, and in a wear state, the first blocking member at least partially extends in the direction from the loudspeaker assembly to an ear canal. In this way, the earphone provided in the present application can increase the volume heard by the ears of a user, such that the user can hear content at a smaller volume of the earphone, and sound leakage is also reduced, thereby improving a listening effect of the user.
Disclosed in embodiments of the present description is a method for monitoring running of a user, comprising: obtaining electromyographic signals of leg muscles when a user runs; identifying a plurality of characteristic values of the electromyographic signals in a plurality of target time intervals; and in response to the plurality of characteristic values meeting a preset condition, generating running feedback information.
A63B 22/02 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands
Disclosed in the embodiments of the description is an acoustic output device, comprising: a loudspeaker for converting audio signals into sound signals; a housing, which is used for carrying the loudspeaker and is provided with a sound output hole in acoustic communication with the loudspeaker; and a fixing mechanism, which is used for supporting the housing and is configured such that the sound output hole is located near a user's ear and the housing does not block the user's ear canal, wherein on the same sagittal plane, the projection of the sound output hole is within a target region having a radius of 20 mm and has the projection of the user's ear canal as the center.
The present application mainly relates to an earphone and a transducer thereof. The transducer comprises a first magnetizer, a coil, and a magnet assembly. The orthographic projection of the coil on a reference plane perpendicular to a first reference direction surrounds the periphery of the orthographic projection of at least part of the first magnetizer on the reference plane, the orthographic projection of the magnet assembly on the reference plane surrounds the periphery of the orthographic projection of the coil on the reference plane, one of the first magnetizer and the magnet assembly is connected to the coil, and the magnetic field generated after an excitation signal is input to the coil interacts with the magnetic field formed by the magnet assembly, so that the first magnetizer and the magnet assembly move relatively. Therefore, the coil is connected to one of the first magnetizer and the magnet assembly, so that a magnetic gap between the first magnetizer and the magnet assembly is reduced, and the sensitivity of the transducer is higher.
The present application mainly relates to an earphone. The earphone comprises core modules, earhook assemblies connected to the core modules, and a rear hook assembly connected to the earhook assemblies, wherein the earhook assemblies are used for being hooked on ears of a user in a wearing state; and the rear hook assembly is used for bypassing the rear side of the head of the user in the wearing state, and comprises an elastic metal tube and a wire arranged in the elastic metal tube in a penetrating manner. Compared with the related art in which a rear hook assembly is formed by means of wrapping an elastic metal wire and a wire by an elastic coating body, in the present application, the elastic metal wire is modified into the elastic metal tube, and the wire is arranged in the elastic metal tube in a penetrating manner, thereby being conducive to a reduction in the weight of the rear hook assembly; accordingly, the center of gravity of the earphone is shifted, such that the earphone is further away from the rear side of the head of the user on the sagittal axis of a human body in the wearing state, thereby being conducive to a reduction in the risk of the earphone rotating about the highest points of the earhook assemblies.
Provided in the embodiments of the present description are a motion evaluation method and system. The motion evaluation method comprises: acquiring a motion signal of an object, the motion signal comprising a signal which characterizes the motion state of the object; on the basis of the motion signal, determining an evaluation criterion which is associated with the motion signal; and evaluating the motion signal on the basis of the evaluation criterion.
Embodiments of the present specification provide a method and a system for marking motion data and generating a motion evaluation model. The method for marking motion data comprises: acquiring motion data of a first object, the motion data comprising data representing motion state of the first object; acquiring image data when the first object moves; and marking the motion data according to the image data.
A signal measurement method and circuit. The measurement method comprises: receiving a detection signal used for reflecting the difference between the contact impedances between two electrodes (111, 112) and a human body, wherein the two electrodes (111, 112) are attached to the human body and used for acquiring a physiological signal of the human body; and on the basis of the detection signal, determining an index parameter value reflecting the quality of the physiological signal. The signal measurement method and circuit can detect the contact impedances between the electrodes (111, 112) and the human body in real time, and determine the fitting state between the electrodes (111, 112) and the human body on the basis of the contact impedances, thereby ensuring the quality of the physiological signal acquired by the electrodes (111, 112).
Provided in the embodiments of the present description is a touch-control sensing device, comprising: an air pressure sensor, which is provided with a hole portion, the interior of the air pressure sensor being in communication with the outside of the air pressure sensor by means of the hole portion; and a sealing structure, the sealing structure being connected to the air pressure sensor, the sealing structure and the air pressure sensor forming a chamber, and the chamber being in communication with the interior of the air pressure sensor by means of the hole portion, wherein the portion of the sealing structure enclosing the chamber deforms when a user touches same, the deformation causes a change in the air pressure in the chamber, and the air pressure sensor receives from the hole portion the change in the air pressure in the chamber and converts the change in the air pressure into an electrical signal.
A signal measurement device (100), comprising: an electrode (110), the electrode (110) being attached to a human body and used for acquiring an electromyographic signal of the human body within a target frequency range; an alternating current excitation source (120) electrically connected to the electrode (110) and used for providing an excitation signal of a first frequency so as to generate a detection signal reflecting the contact impedance between the electrode (110) and the human body; and a gain circuit (130) used for providing a gain for the electromyographic signal and the detection signal. According to the signal measurement device (100), by means of providing the gain circuit (130), the gain is provided for the acquired electromyographic signal and detection signal, thereby improving the strength and quality of the electromyographic signal and the detection signal, and enabling the signal measurement device (100) to accurately perform monitoring.
Disclosed in the embodiments of the present description are a signal measurement circuit and method. The circuit comprises: a plurality of electrodes used for fitting a human body and acquiring physiological signals of the human body; a contact impedance detection circuit electrically connected to the plurality of electrodes, the contact impedance detection circuit being used for measuring the contact impedances between the electrodes and the human body; and a switching circuit for controlling the conduction state of the plurality of electrodes with the contact impedance detection circuit, so that at the same moment, only part of the plurality of electrodes are kept in the conduction state with the contact impedance detection circuit. According to the present description, the contact impedances between the electrodes and the human body can be measured, and the fitting state between the electrodes and the human body can be determined on the basis of the contact impedances, thereby ensuring the quality of the physiological signals acquired by the electrodes. Further, different electrodes can be selected at different moments to be kept in the conduction state with the contact impedance detection circuit, so that the contact impedances corresponding to different parts of electrodes are acquired at different moments, thereby ensuring the quality of the acquired physiological signals.
The present application mainly relates to an earpiece, comprising an earpiece core module compartment body assembly and an ear hook assembly; the earpiece core module compartment body assembly is used for coming into contact with the front side of the ear portion of a user, and at least part of the ear hook assembly is used to be hooked between the rear side of the ear portion and the head portion of the user; the ear hook assembly is detachably connected to the earpiece core module compartment body assembly, and the pullout resistance between the ear hook assembly and the earpiece core module compartment body assembly is between 0.45 kgf and 5.7 kgf. Therefore, the present invention can avoid unreliable connection between the compartment body assembly and the ear hook assembly caused by said pullout resistance being too small, and also avoid difficulty in assembly and disassembly by the user and excessive abrasion of the joint of the compartment body assembly and the ear hook assembly caused by said pullout resistance being too large, thus achieving balance between the reliability of connection and abrasion.
The present application mainly relates to an earphone. The earphone comprises a movement module and a hook-shaped structure connected to the movement module, wherein the movement module has a connecting end connected to the hook-shaped structure, and a free end not connected to the hook-shaped structure; the movement module is located on the front side of the ear when the earphone is worn, with the free end extending into the cavum conchae of the ear; at least part of the hook-shaped structure is located on the rear side of the ear when the earphone is worn; and the movement module and the hook-shaped structure jointly clamp an ear region from the front and rear sides of the ear region corresponding to the cavum conchae, thereby increasing the resistance of the earphone from falling off the ear, thus improving the stability of the earphone when same is worn.
The present application mainly relates to an earphone comprising a hooked portion and a holding portion connected to the hooked portion, at least a portion of the hooked portion being configured to hang between a rear side of an ear and the head of a user, and the holding portion being configured to be in contact with a front side of the ear; and in a wearing state, a free end, of the holding portion, not connected to the hooked portion extends into an ear nail cavity of the ear so that the holding portion is inclined relative to a sagittal axis of the human body, thereby facilitating increasing a distance between the center of gravity of the holding portion and an upper ear root of the ear, i.e., lowering the center of gravity of the holding portion in the wearing state, and thus improving the stability of the earphone during wearing.
The present application mainly relates to an earpiece. The earpiece comprises a hook-shaped portion and a holding portion connected to the hook-shaped portion, at least a part of the hook-shaped portion being used for being hung between the rear side of the ear and the head of a user, and the holding portion being used for making contact with the front side of the ear. The hook-shaped portion comprises a connection section connected to the holding portion and a free section connected to the connection section, the connection section and the free section being respectively located in the width direction on two opposite sides of the holding portion. In a reference plane perpendicular to the thickness direction, the maximum distance between the connection section and the holding portion in the width direction is between 10 mm and 17 mm, so that the distance between the center of gravity of the holding portion and the upper ear root of the ear is increased, the center of gravity of the holding portion in a worn state is lowered, and the distance between the center of mass of the holding portion and the antihelix of the ear is increased, thus increasing the moment of inertia of the earpiece with respect to the antihelix or the upper ear root of the ear during a movement process of the user, and improving the wearing stability of the earpiece.
Provided in the present application is an earpiece. The earpiece comprises a case body assembly and at least two ear-hook assemblies. The case body assembly comprises a case body and a transducer arranged in the case body, the case body being provided with a first connection portion. At least part of each ear-hook assembly is of a flexible structure. The at least two ear-hook assemblies are interchangeably connected to the case body assembly. Each ear-hook assembly is provided with a second connection portion, the second connection portion being detachably connected to the first connection portion so as to be used for correspondingly and detachably connecting any one of the ear-hook assemblies to the case body assembly. The flexible structures of the at least two ear-hook assemblies are configured into different arc shapes, so as to adapt to different shapes of the ears of users. The earpiece can adapt to different shapes of the ears of users and can achieve a better acoustic effect.
An acoustic output apparatus (100), comprising an acoustic output unit (110) and an earhook (120), the earhook (120) suspending the acoustic output unit (110) near the ear of a user. A flexible sealed cavity (131) having a deformable volume is provided on the earhook (120), and used to detect the force exerted on the earhook (120) when worn by the user. An in-ear headphone (900), comprising a headphone body (910); when a user wears the headphone (900), the headphone body (910) is worn at the user's ear canal opening, and a flexible sealed cavity (931) having a deformable volume is provided at a position where the headphone body (910) contacts the user's ear canal, used to detect the force exerted on the headphone body (910) when worn by the user. A wearable device (1200), comprising a wearable body (1210), a first flexible sealed cavity (1221) having deformable volume being provided at a position where the wearable body (1210) contacts a user's body, used to detect a physiological signal of the user and/or pressure exerted on the wearable device (1200) when worn by the user.
Provided is a sensing apparatus (140, 200, 400, 620, 920, 1420, 1720, 1820), which comprises: a flexible sealing structure (210, 410, 621, 922, 1722, 1821) arranged at a joint position of a user, the flexible sealing structure (210, 410, 621, 922, 1722, 1821) being filled with a fluid; and a pressure sensing unit (220, 420, 622, 921, 1130, 1230, 1721, 1822), the pressure sensing unit (220, 420, 622, 921, 1130, 1230, 1721, 1822) being in fluid communication with the flexible sealing structure (210, 410, 621, 922, 1722, 1821), wherein pressure intensity of the fluid in the flexible sealing structure (210, 410, 621, 922, 1722, 1821) changes in response to deformation of the joint of the user, and the pressure sensing unit (220, 420, 622, 921, 1130, 1230, 1721, 1822) converts the change of the pressure intensity of the fluid into an electrical signal. The sensing apparatus (140, 200, 400, 620, 920, 1420, 1720, 1820) uses the change of the pressure intensity as a reference for joint movement, has a simple structure, exhibits small dependence on the accurate placement of the sensing apparatus (140, 200, 400, 620, 920, 1420, 1720, 1820), and has strong robustness.
One or more embodiments of the description relate to a system, a device, and a method for monitoring motion. The method comprises acquiring an action signal of a user; identifying a first target interval in the action signal, the first target interval corresponding to a target action of the user; extracting a second target interval capable of reflecting at least one motion period of the target action from the first target interval; and evaluating the target action on the basis of the second target interval.
A vibration assembly (100), comprising an elastic element (110). The elastic element (110) comprises a central area (112), a corrugated ring area (114) arranged on the periphery of the central area (112), and a fixing area (116) arranged on the periphery of the corrugated ring area (114), and the elastic element (110) is configured to vibrate in a direction perpendicular to the central area (112), wherein the central area (112) comprises an elastic member and a reinforcing member (120) which are stacked in the vibration direction, and the reinforcing member (120) is provided with a plurality of groove structures (121) having openings facing the elastic member.
One or more embodiments of the present description relate to an assessment method and system for an auditory threshold with the assistance of a bone conduction hearing aid. The assessment method for the auditory threshold comprises: obtaining a bone conduction auditory threshold of a user; obtaining a bone conduction component input-output curve of a bone conduction hearing aid; and according to the bone conduction auditory threshold of the user and the bone conduction component input-output curve of the bone conduction hearing aid, determining an auditory threshold of the user with the assistance of the bone conduction hearing aid.
The present application relates to a transduction device, a loudspeaker, and an acoustic output device. The transduction device comprises: a magnetic circuit system, the magnetic circuit system comprising a magnet assembly and a magnetically conductive cover, and the magnetically conductive cover at least partially surrounding the magnet assembly; a vibration transmission piece, the vibration transmission piece comprising a first vibration transmission piece and a second vibration transmission piece, and the first vibration transmission piece and the second vibration transmission piece being respectively distributed on two sides of the magnet assembly in the vibration direction of the transduction device and used for elastically supporting the magnet assembly; and a coil disposed in the magnetic circuit system, the coil being within the magnetic field range of the magnet assembly, and the overall direct current impedance of the coil being within the range of 6 Ω to 10 Ω.
The present application relates to a transducer device, a loudspeaker and an acoustic output device. The transducer device comprises: a magnetic circuit system, which comprises a magnet, a magnetic conductive plate and a magnetic conductive cover, the magnet and the magnetic conductive plate being arranged in a vibration direction of the transducer device; and vibration transfer sheets, including a first vibration transfer sheet and a second vibration transfer sheet, which are fixed to two sides of the magnet in the vibration direction of the transducer device and configured to elastically support the magnet, wherein the ratio of the thickness of the magnetic conductive plate to the thickness of the magnet is within the range of 0.05-0.35.
A signal acquisition apparatus, comprising: a wearable body (130) provided with a sensor and configured to be worn by a user and acquire a physiological signal of the user by means of the sensor; child bases (120, 220, 520) each used for accommodating a circuit structure, the circuit structure comprising a power supply circuit and a signal transmitter, the power supply circuit being configured to supply power to the sensor, and the signal transmitter being configured to send the physiological signal to an external device; and mother bases (110, 210, 510), the mother bases (110, 210, 510) being fixed to the wearable body (130), a child base (120, 220, 520) being detachably connected to a mother base (110, 210, 510), and the mother bases (110, 210, 510) each having a transmission interface. When a mother base (110, 210, 510) is connected to a child base (120, 220, 520), the circuit structure and the sensor are electrically connected by means of a transmission interface.
A41D 13/12 - Surgeons' or patients' gowns or dresses
A61B 5/05 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
27.
TRANSDUCER DEVICE, SPEAKER AND ACOUSTIC OUTPUT DEVICE
The present application relates to a transducer device, a speaker, and an acoustic output device. The transducer device comprises: a magnetic circuit system, the magnetic circuit system comprising a magnet assembly and a magnetic conductive cover, and the magnetic conductive cover at least partially surrounding the magnet assembly; and a vibration transmission sheet, which comprises a first vibration transmission sheet and a second vibration transmission sheet, the first vibration transmission sheet and the second vibration transmission sheet being respectively distributed on two sides of the magnet assembly along the direction of vibration of the magnet assembly and each being used for elastically supporting the magnet assembly in the magnetic conduction cover. The resonance peak frequency of the energy conversion device is less than 300 Hz.
The present application relates to a transducer device, a loudspeaker, and an acoustic output device. The transducer device comprises: a magnetic circuit system, the magnetic circuit system comprising a magnet, a magnetically conductive plate, and a magnetically conductive cover, and the magnet and the magnetically conductive plate being arranged in a vibration direction of the transducer device; and vibration transmission pieces, the vibration transmission pieces comprising a first vibration transmission piece and a second vibration transmission piece, the first vibration transmission piece and the second vibration transmission piece being fixed on two sides of the magnet in a vibration direction of a magnet assembly, and being used for separately elastically supporting the magnet, wherein a first hole is formed in the magnet, a second hole is formed in the magnetically conductive plate, and the second hole and the first hole are correspondingly arranged.
The present description relates to a transducer device, a loudspeaker, and an acoustic output device. The transducer device comprises: a magnetic circuit system comprising a magnet, a magnetically conductive plate and a magnetically conductive cover, the magnet and the magnetically conductive plate being arranged in a vibration direction of the transducer device; and vibration transmission sheets comprising a first vibration transmission sheet and a second vibration transmission sheet, the first vibration transmission sheet or the second vibration transmission sheet being fixed on two sides of the magnet in the vibration direction of the transducer device and used for elastically supporting the magnet, wherein at least one of the magnet, the magnetically conductive plate and the magnetically conductive cover comprises a plurality of magnetic parts with different magnetization directions.
The present application relates to a transducer device, a loudspeaker, and an acoustic output device. The transducer device comprises: a magnetic circuit system, the magnetic circuit system comprising a magnet assembly and a magnetically conductive cover, and the magnetically conductive cover being arranged at least partially around the magnet assembly; and vibration transmitting pieces, the vibration transmitting pieces comprising a first vibration transmitting piece and a second vibration transmitting piece, and the first vibration transmitting piece and the second vibration transmitting piece being respectively distributed on two sides of the magnet assembly in a vibration direction of the magnet assembly and used for separately elastically supporting the magnet assembly, wherein the equivalent stiffness of the first vibration transmitting piece or the second vibration transmitting piece in any direction within a plane perpendicular to the vibration direction of the magnet assembly is greater than 4.7×104 N/m.
A physiological signal acquisition apparatus (300), comprising: a first insulating film (310), the first insulating film (310) being provided with at least two first guide grooves (311) in a first direction, and the at least two first guide grooves (311) being insulated from each other; first adsorption members (320) for absorbing moisture, the first adsorption members (320) being arranged in the at least two first guide grooves (311); and at least two electrodes (330) for contacting the skin and acquiring physiological signals, the at least two electrodes (330) covering the at least two first guide grooves (311) and being attached to the surfaces of the first adsorption members (320) that are close to the skin.
Disclosed in the embodiments of the present description is an acoustic output device, comprising a vibration element. The vibration element comprises a beam structure extending in a lengthwise direction. The beam structure comprises a piezoelectric layer for responding to an electrical signal to deform, wherein the deformation drives the vibration element to vibrate; and a mass element, wherein the mass element is connected to a first position of the beam structure, the vibration element vibrates to drive the mass element to vibrate in a direction perpendicular to the lengthwise direction; and in the lengthwise direction of the beam structure, the ratio of the distance from the first position to one end of the beam structure to the length of the beam structure is within the range of 0.3-0.95.
A wearable device (100), comprising a wearable body; and at least one inductive sensor (120) comprising an inductive structure defined by a conductive wire. The at least one inductive sensor (120) is attached to a position on the wearable body corresponding to a joint position, and the inductive structure generates variable inductance along with the deformation of the joint position.
The present application mainly relates to a transducing device and an earphone. The transducing device comprises a magnetic circuit system, a coil, a first vibration transmission piece, and a second vibration transmission piece. The magnetic circuit system comprises a magnet assembly, and the coil is wound on the outer side of the magnet assembly around an axis parallel to a vibration direction of the transducing device. In the vibration direction, the first vibration transmission piece and the second vibration transmission piece elastically support the magnet assembly from two opposite sides of the magnet assembly, respectively. In comparison with restraining a single side of a magnet assembly in the related art, in the present application, the two opposite sides of the magnet assembly in the vibration direction of the transducing device are elastically supported by the first vibration transmission piece and the second vibration transmission piece, respectively, to prevent abnormal vibration such as obvious shaking, thereby improving vibration stability of the transducing device.
Disclosed in the embodiments of the present application is a wearable apparatus. The wearable apparatus comprises: a wearing body, wherein a plurality of inductance sensors are distributed on the wearing body, the plurality of inductance sensors comprise inductance sensors that cross a joint surrounding line, each inductance sensor comprises an inductance structure that is enclosed by a conducting wire, and each inductance sensor is attached to a position corresponding to a joint position that is on the wearing body and generates variable inductances with the deformation of the joint position.
The present application mainly relates to earphones, each comprising a support assembly and a core module connected to the support assembly. The support assembly is used for supporting the core module to be worn to a wearing position; the core module comprises a core housing, a transducer device, and a vibration panel; the transducer device is disposed in an accommodating cavity of the core housing; and the vibration panel is connected to the transducer device and is used for transmitting, to a user, mechanical vibration generated by the transducer device. The core module further comprises an auxiliary structure connected to the vibration panel; and the auxiliary structure is configured such that a first frequency response curve of vibration of the vibration panel in a non-wearing state has a first resonance valley within a target frequency range. According to the earphones provided by the present application, the auxiliary structure is connected to the vibration panel, and the vibration of the vibration panel within the target frequency range is weakened by means of resonance of the auxiliary structure, thereby adjusting the vibration amplitude of the vibration panel within the target frequency range, and adjusting the frequency response curve of the vibration of the vibration panel.
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
Embodiments of the present description disclose earphones, which comprise a first sound wave generation structure, a second sound wave generation structure, an acoustic transmission structure and a filter structure. The first sound wave generation structure and the second sound wave generation structure can generate a first sound wave and a second sound wave respectively, the first sound wave and the second sound wave having a phase difference in the range of 120 to 240 degrees. The acoustic transmission structure can be used for transmitting the first sound wave and the second sound wave to a space point outside the earphones, wherein the first sound wave and the second sound wave transmitted to the space point can interfere in a first frequency range, and the interference reduces the amplitude of the first sound wave in the first frequency range. The filter structure can be used for reducing the amplitude of sound waves in a second frequency range at the space point.
Provided in the embodiments of the present description is a loudspeaker. The loudspeaker comprises: a drive assembly, which generates vibration on the basis of an electric signal; a vibration assembly, which vibrates by means of receiving the vibration from the drive assembly; and a housing, the drive assembly and the vibration assembly being arranged in a cavity formed by the housing, wherein the cavity comprises a front cavity located on one side of the vibration assembly and one or more rear cavities located on the other side of the vibration assembly, the housing comprises a rear cavity plate, the at least one of the one or more rear cavities is at least enclosed with the drive assembly, the vibration assembly and the rear cavity plate, and through holes are formed in the rear cavity plate.
Provided in embodiments of the present description is an acoustic apparatus, comprising: a diaphragm; a housing, used for accommodating the diaphragm and forming a first acoustic cavity and a second acoustic cavity which respectively correspond to the front side and rear side of the diaphragm, wherein the diaphragm separately radiates sound to the first acoustic cavity and the second acoustic cavity, and separately leads out the sound from a first acoustic hole coupled to the first acoustic cavity and a second acoustic hole coupled to the second acoustic cavity; and a sound absorbing structure coupled to the second acoustic cavity and used for absorbing the sound which is transmitted, within a target frequency range, to the second acoustic hole through the second acoustic cavity, wherein the target frequency range comprises the resonant frequency of the second acoustic cavity.
A sensor (100), comprising: a sensing assembly (110), the sensing assembly (110) comprising a sensing piezoelectric layer (111) and a sensing electrode layer (112); a frequency adjustment assembly (120), the frequency adjustment assembly (120) being physically connected to the sensing assembly (110), and the frequency adjustment assembly (120) deforming under the action of an electrical signal, so that the sensing piezoelectric layer (111) deforms, so as to change the resonant frequency of the sensing assembly (110); and a base (130), the base (130) being used for bearing the sensing assembly (110) and the frequency adjustment assembly (120).
G01B 7/06 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width, or thickness for measuring thickness
One or more embodiments of the present specification relate to a human body posture recognition system, comprising: at least one group of ultrasonic sensors, each group of ultrasonic sensors comprising: an ultrasonic transmitter configured to transmit ultrasonic waves and an ultrasonic receiver configured to receive the ultrasonic waves, wherein the ultrasonic transmitter and the ultrasonic receiver are located at different parts of the body of a user, respectively; and a processor configured to, on the basis of location information on the ultrasonic transmitter and the ultrasonic receiver, information on the ultrasonic waves transmitted by the ultrasonic transmitter and information on the ultrasonic waves received by the ultrasonic receiver, recognize the posture of the user.
The present application mainly relates to smart glasses, comprising a first glasses temple assembly and a second glasses temple assembly, wherein the first glasses temple assembly comprises a first charging module, a first battery, and a first control module; the second glasses temple assembly comprises a second charging module, a second battery, and a second control module; and the first control module and the second control module are in communication connection and perform charging information exchange, so as to control the first charging module and the second charging module to respectively perform cooperative charging on the first battery and the second battery, thereby avoiding the technical problems of only one of the first battery and the second battery being charged and the other one not being charged, the difference between the electric quantities of the first battery and the second battery being relatively large, etc., which is beneficial to ensuring the normal use of the smart glasses.
Embodiments of the present description may provide a signal transmission control system, comprising a first DMA controller, a processor, and a second DMA controller. The first DMA controller is used for writing a signal into a first storage space to form first data; the processor is used for batch processing and transmitting the first data to a second storage space to form second data; and the second DMA controller is used for sequentially reading the second data from an address of the second storage space, wherein when each batch of first data is written into the second storage space, a data reading address of the second DMA controller in the second storage space points to an address before the first data is written into said address.
The present description provides a vibration sensor and a microphone. Two ends of each vibration beam are fixed to a base, a middle part thereof is suspended in a cavity, and deformation is generated in response to external vibration excitation. In the vibration sensor and the microphone, by changing the structure and size of the cavity and the size and position of the vibration beams, the sizes of the parts, suspended on the cavity, of the multiple vibration beams are different, so that different vibration beams have different inherent frequencies, resonance peaks having different frequencies are generated under vibration excitation, and therefore a frequency response range is wider. Meanwhile, vibration signals selected by the vibration sensor and the microphone are vibration signals in a preset range near the resonance peaks, so that the sensitivity is higher. Moreover, the vibration sensor and the microphone achieve the purposes of multiple resonance peaks and wide frequency bands by designing the size of the base and the cavity, and the structures thereof are simple, the machining difficulty is low, the machining cost is low and the precision is higher, and a collection result of the vibration signals is more accurate.
A sensor (200), comprising a substrate layer (210) and an electrode layer (220), wherein the substrate layer (210) is configured to deform under the action of an external force; the electrode layer (220) is arranged on the substrate layer (210), and a crack structure (230) is provided in the electrode layer (220). The deformation of the substrate layer (210) changes the size of the crack structure (230), such that the resistance of the electrode layer (220) is changed, and a sensing signal varying with the resistance is generated.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
G01L 1/14 - Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
46.
PIEZOELECTRIC TRANSDUCER, ACOUSTIC OUTPUT DEVICE AND SOUND TRANSMISSION DEVICE
The present description relates to a piezoelectric transducer, comprising: a piezoelectric layer and an electrode, the electrode covering at least one surface of the piezoelectric layer, and the electrode or the piezoelectric layer comprising a plurality of concave structures recessed in the thickness direction of the electrode or the piezoelectric layer.
H02N 2/18 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
Embodiments of the present description provide an acoustic output device, comprising: a vibration element provided with a beam structure extending along a length direction; a piezoelectric element used for generating deformation in response to an electric signal, the deformation driving the vibration element to vibrate, wherein the piezoelectric element is attached to a first position of the beam structure, and the size of an attached area along the length direction does not exceed 80% of the size of the beam structure along the length direction; and a mass element connected to a second position of the beam structure, wherein the first position and the second position are distributed at intervals in the length direction, and the vibration of the vibration element drives the mass element to vibrate in a direction perpendicular to the length direction.
The embodiments of the present application provide an acoustic output apparatus. The acoustic output apparatus comprises: a first piezoelectric element, which is configured to generate vibration on the basis of an audio signal; a fixing structure, which is configured to fix the acoustic output apparatus near the ear of a user and not block the position of the ear canal of the user, an end portion of the fixing structure being connected to one end of the first piezoelectric element; and a vibration transmission member, which comprises an ear hook and an output assembly, wherein one end of the ear hook is connected to the end portion of the first piezoelectric element that is away from the fixing structure, and the other end of the ear hook is connected to the output assembly, the output assembly receives the vibration of the first piezoelectric element by means of the ear hook and outputs sound, and the frequency response curve of the sound has at least two resonance peaks.
Disclosed in the embodiments of the present application are a driving device and an acoustic output device comprising the same. The driving device comprises one or more driving units, each driving unit is provided with a beam-shaped structure, and the beam-shaped structure comprises a vibration output end and a fixed end, and extends from the fixed end to the vibration output end. Each driving unit comprises a piezoelectric layer and an enhancement layer. The piezoelectric layer is used for enabling the driving unit to output vibration from the vibration output end in response to an electric signal. The enhancement layer comprises one or more enhancement members arranged in an extension direction of the beam-shaped structure, at least one of said members is arranged close to the vibration output end, and in the extension direction, the size of the enhancement member does not exceed one half of the distance from the vibration output end to the fixed end.
Embodiments of the present description provide an acoustic output device, comprising: a first vibration element, a second vibration element, and a piezoelectric element. In response to an electrical signal, the piezoelectric element drives the first vibration element and the second vibration element to vibrate; the first vibration element is connected to a first position of the piezoelectric element, the second vibration element is at least connected to a second position of the piezoelectric element by means of a first elastic element, the second vibration element is at least connected to a third position of the piezoelectric element by means of a second elastic element, and in a vibration direction of the second vibration element, a first elastic coefficient of the first elastic element is different from a second elastic coefficient of the second elastic element.
One or more embodiments of the present description relate to an acoustic output apparatus, comprising: a piezoelectric element used for converting an electrical signal into mechanical vibration; an elastic element; and a mass element, said mass element being connected to the piezoelectric element by means of the elastic element, and receiving the mechanical vibration to generate an acoustic signal; in a plane perpendicular to the vibration direction of the mass element, the elastic element provides a shear stress having an opposite degree of rotation.
A piezoelectric speaker comprising: multiple piezoelectric elements, each piezoelectric element being configured to generate vibration on the basis of an audio signal; a vibration transmitting piece comprising multiple elastic rods and a mass block; each elastic rod is connected to the mass block and to one piezoelectric element among the multiple piezoelectric elements; and the mass block simultaneously receives the vibration of the multiple piezoelectric elements and generates at least two resonance peaks within the frequency range of 20 Hz to 40,000 Hz.
One or more embodiments of the present description relate to a vibration apparatus, comprising: a mass element; one or more piezoelectric elements, the one or more piezoelectric elements being configured to generate vibration on the basis of an electrical signal; one or more elastic elements, at least one of the one or more elastic elements being connected to the mass element and to the one or more piezoelectric elements; each of the one or more piezoelectric elements comprises an annular structure, and the one or more piezoelectric elements are configured such that the direction of the vibration on the basis of the electrical signal is parallel to the axial direction of the annular structure.
Embodiments of the present description provide an acoustic output device, comprising a first vibration element, a second vibration element, and a piezoelectric element. The first vibration element is physically connected to a first position of the piezoelectric element, and the second vibration element is connected to a second position of the piezoelectric element at least by means of an elastic element. The piezoelectric element drives, in response to an electric signal, the first vibration element and the second vibration element to vibrate, and the vibration produces two resonance peaks within an audible range of the human ear.
Disclosed in embodiments of the present description is an acoustic device. The device comprises a piezoelectric assembly, an electrode and a vibration assembly. The piezoelectric assembly vibrates under the action of a driving voltage; the electrode provides the driving voltage for the piezoelectric assembly; and the vibration assembly is physically connected to the piezoelectric assembly, receives the vibration and produces sound. The piezoelectric assembly comprises a substrate and a piezoelectric layer; the piezoelectric layer covers one surface of the substrate; the electrode covers one surface of the piezoelectric layer; and the coverage area of the electrode on the surface of the piezoelectric layer is smaller than the area of the surface of the substrate covered with the piezoelectric layer. According to the present description, a modal actuator of the piezoelectric assembly is formed by means of electrode design, such that the piezoelectric assembly outputs a specific modal shape, and sound characteristics of the acoustic device are improved. Moreover, compared with adding a modal control system consisting of various mechanical structures in a specific region, the present application implements modal control of the piezoelectric assembly by means of the electrode design, and the structure of the acoustic device can be simplified.
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 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.
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.
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.
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.
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.
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.
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
71.
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
79.
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
85.
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
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