A system is provided for streaming broadcast media content between peer devices in a media distribution network. The system includes a virtual router panel that includes notification service controller that receives a data communication request from two or more peer devices and a data communication handshaking controller selects a delivery protocol between the two devices based on exchanging communication candidates that identify peer addresses. A media streaming tunnel generator establishes a streaming tunnel between the first device and the second device based on the respective delivery protocol selected by the data communication handshaking controller; and an encoder packetizes video, audio and ancillary grains directly as packets of the broadcast media content to be streamed directly from the first device to the second device via the established streaming tunnel without multiplexing.
H04N 21/60 - Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client; Communication details between server and client
H04N 21/242 - Synchronization processes, e.g. processing of PCR [Program Clock References]
A system is provided for displaying content streams on a multiviewer device and includes a GPU that resizes image data loaded therein for display in a multiviewer tile, and an image decimation controller that performs a decimation of a content stream by removing a predetermined number of lines from each frame of the content stream before loading the content stream to the internal memory of the GPU for resizing and display on the multiviewer tile. In this system, the content stream is loaded to a full resolution buffer in system memory if the content stream is not a proxy stream of the media content and the tile designated for the content stream is less the predetermined threshold, such that the image decimation controller performs the decimation to delete the predetermined number of lines before the content stream is loaded in the internal memory of the GPU as the image data.
A virtualized production switcher for media production is provided that includes a script database that stores predefined macros that each define a script for applying media production functions to media content, and a script optimizer that selects a subset of the predefined macros to be presented on a user interface as suggested scripts for each of a plurality of scenes of a media stream. Moreover, a program generator receives a user input via the user interface that selects one of the predefined macros and applies the corresponding script to a selected scene of the media stream for a media production by applying the at least one media production function to the selected scene based on an identified key-frame thereof. A script profiler identifies metadata related to the selected scene and updates the script database to store a correspondence between the selected scene and the selected predefined macro.
A system is provided for optimizing deployment of a processing function in a media production workflow. The system includes a media production workflow generator that builds the media production workflow that includes the processing function and determines deployment criteria that includes an input dataset for the processing function and an atomic compute function for executing the processing function. Moreover, a deployment topology generator generates a topologies of the resources available in a cloud computing network and based on the determined deployment criteria, with the generated topologies indicating different configurations of resources for executing the processing function and a processor for executing the atomic compute function of the processing function. Furthermore, a deployment optimizer selects an optimal topology to deploy the processing function within the cloud computing network, with the optimal topology selected to include the processor for optimizing accessibility of electronic memory to execute the atomic compute function.
A system and method is provided for synchronizing media content in a media distribution network using timestamps. The system includes a decoder configured to parse a plurality of data packets of a media stream to determine a timestamp value for each video frame in the media stream; and a media content synchronizer. The media content synchronizer generates a media content timeline based on the determined timestamp value of each of video frame, generates the media content timeline based on a cadence having monotonic increasing count, determines whether each video frame of the media stream is a next frame in a video sequence of the media stream based on the timestamp value for the respective video frame, and repeats a previous frame in the video sequence to generate the media content timeline when a current frame in the video sequence was dropped based on the determined timestamp value.
A system is provided for distributing media content in a distributed network. The system includes a count sequence generator that generates a monotonic increasing count sequence, a signal processor that generates a correspondence between media content and the count sequence, such that the monotonic increasing counter sequence is configured for a media content request defined by the increasing count sequence; and a media content database configured to store the media content and corresponding count sequence. Moreover, the signal processor receives a media content request that includes media request parameters that define a portion of the media content based on the corresponding count sequence and at least one of content quality, cost of the requested media content and a delivery time for the requested media content. The signal processor also accesses the requested media content from the media content database and distributes the media content to the media processing node.
H04N 21/242 - Synchronization processes, e.g. processing of PCR [Program Clock References]
H04N 21/238 - Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
H04N 21/262 - Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission or generating play-lists
H04N 21/647 - Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load or bridging bet
7.
HYBRID OUTPUT MULTIPLEXER FOR A HIGH FRAMERATE CMOS IMAGER
ABSTRACT An imaging system is provided that includes a pixel array having a plurality of columns with rows of pixels and with each pixel having a plurality of photodiodes and a common readout circuit that stores respective accumulation voltages from each of the plurality of photodiodes. Moreover, the system includes row driver circuitry that control the pixel array for pixel addressing and readout, such that the respective accumulation voltages of the photodiodes is read out on a readout channel coupled to a bit line column, and a hybrid multiplexer that multiplexes and routes output signals from the pixel array to a video imaging device to be displayed thereon. 28 wsLEGAL\061775\00206\23978877v2 CA 3069947 2020-01-24
ABSTRACT An imager that includes a pixel array with a plurality of columns having rows of pixels and with each pixel having a plurality of photodiodes and a common readout circuit that stores respective accumulation voltages from each of the plurality of photodiodes. The imager further includes row driver circuitry that controls the pixel array for pixel addressing and readout, with the row driver circuitry including a plurality of shift registers, and an image sensor controller that controls the plurality of shift registers to address the rows of pixels in the pixel array. Moreover, the row driver circuitry dynamically upward and downward shifts control signals to the pixel array, such that two rows of pixels in a single column of the pixel array are addressed during a single row time. 3 1 WSLEGAL\061775\00205\23978819v2 CA 3069858 2020-01-24
A system is provided for synchronizing video clips with audio data. The system includes one or more video capture devices that captures audio and video data of a scene, and a data store for the audio data, the metadata, and the video data generated by each respective capture device. Moreover, the system includes an audio analyzer that analyzes the audio data to determine one or more groups of overlapping video clips in the video data and to generate offset information for each video clip in the one or more groups. A metadata analyzer then corrects the one or more groups of the overlapping video clips based on camera identification data, and a sequence generator generates a plurality of video sequences with synchronized audio, based on the corrected one or more groups.
A system is provided for partial matching of settings across cameras. The system includes a camera setting controller that controls control elements of a target camera for capturing video content of a scene. Moreover, a transfer module detects a request to transfer settings from a reference camera to the target camera and a look determiner determines a look of a scene of the video content being captured by the at least one target camera. The transfer module retrieves the control elements of the reference camera and related image capture control settings that correspond to the obtained image capture control settings of the at least one target camera. The transfer module then transfers the image capture control settings of the control elements from the reference camera to the target camera, such that the settings are applied to the target camera to modify the capturing of video content of the scene, so that a the scenes captured give a similar impression to a viewer.
An image capture control apparatus is provided for single-handed seamless camera control of a camera during capture of video content. The apparatus includes a stick extending from a base and operating bi-directionally to adjust a setting of the camera. Moreover, first, second and third continuous control elements are disposed around the base to control respective parameters of the camera for image content capture. Each of the first continuous control element, the second continuous control element and the third continuous control element are configured to be physically manipulated simultaneously by a hand of an operator of the single-handed seamless camera.
A system is provided for determining equivalence to execute a task. The system includes an identity module that obtains a unique identity for each of a plurality of resources, and a metadata collection module that collects metadata information relating to the plurality of resources based on the obtained unique identifier for each resource, and that stores the collected metadata information in a metadata database, with the metadata information relating to capabilities of the respective resource for executing the task. Moreover, the system includes an equivalence processor that determines a set of resources of the plurality of resources that are configured to execute the task defined by a requesting client device in an equivalent manner based on the collected metadata information of the at least one set of resources.
A system is provided for live video production and asset management that includes an orchestration software and platform that uses artificial intelligence or machine learning to automate show rundown and playlist assembly based on social topical trends, historical and predictive content and associated advertising performance by type and consumer demographics by platform viewership. The system and method provides an automated lineup (or suggested lineup that can be modified by the producer) of the best predictive performance results rather than solely based on experience of the producer himself or herself.
H04N 21/262 - Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission or generating play-lists
H04N 21/24 - Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth or upstream requests
H04N 21/258 - Client or end-user data management, e.g. managing client capabilities, user preferences or demographics or processing of multiple end-users preferences to derive collaborative data
H04N 21/85 - Assembly of content; Generation of multimedia applications
14.
SYSTEM AND METHOD FOR MAPPED SPLICING OF A THREE-DIMENSIONAL LOOK-UP TABLE FOR IMAGE FORMAT CONVERSION
A system and method that splices an initial 3D LUT for imaging format conversion into a plurality of smaller LUTs that can be stored in separate RAMs. During operation, the upper 5-bits serve as index values of each component of an incoming GBR pixel and are used to determine which of the smaller RAMs contain the correct index values for the pixel data. Specifically, a first index value can be derived from the incoming GBR pixel data and used to lookup all sub-cube vertices corresponding to the incoming pixel and the corresponding RAMs. After determining the correct RAMs, a predetermined algorithm for each given RAM is applied to find the normalized RAM look-up addresses and identify the correct data for the exemplary imaging format conversion process.
G09G 5/06 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
H04N 19/59 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
An image sensor that provides global shutter scanning with exposure time control during image capture. The image sensor includes a pixel array with shared pixel units that each include four photodiodes with a floating diffusion node shared therebetween and respective global shutter gates disposed between each photodiode and a supply voltage of the pixel array. Moreover, an image capture timing controller controls an exposure time of each photodiode by adjusting a width of a global shutter reset pulse applied to the plurality of global shutter gates after each readout cycle during image capture to change the respective exposure time of each shared pixel unit.
A system and method is provided for timely and uniform real-time data packet transmission by a computing device. The system can include a shared packet memory buffer for storing data packets generated by a user application and a shared schedule memory buffer for storing packet identifiers and corresponding time slots for the data packets. Moreover, a kernel module is provided that operates in the kernel mode of the operating system directly above the network interface controller and can continuously poll the shared scheduled memory to access packet identifiers at corresponding time slots. Based on the packet identifiers in each time slot, the kernel module can pull the data packet having the packet identifier directly from the ring buffer and send each packet to the network interface controller for transmission as part of a media stream over a network to a media consuming device.
H04L 67/60 - Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
H04L 69/16 - Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
H04L 69/321 - Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers
H04L 69/322 - Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
H04L 69/329 - Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
17.
SYSTEM AND METHOD FOR CREATING METADATA MODEL TO IMPROVE MULTI-CAMERA PRODUCTION
A system and method is provided for using camera metadata from multiple cameras in a live environment to improve video production workflow. Each camera of the system is provided to media content of a live scene and store camera metadata that includes camera lens, position and gyro setting. This metadata can then be provided to other cameras in the system and/or a control that can generate a 3D metadata feed using the camera metadata. Moreover, based on the metadata feed, control instructions can be generated and transmitted to one or more of the cameras to control camera operations for capturing the media content.
A system and method that recognizes and highlights objects in a video frame for augmented video production workflow. Ae video production camera is provided to capture a video frame and generate frame data and object data relating to objects within the video frame that are in focus. Moreover, a display device is included that is wearable by the camera operator and includes a camera that captures field of view data that corresponds to a field of view of the camera operator. Furthermore, the display device can compare the video frame data with the field of view data captured by the camera to generate a visual indicator for the video frame, and can use the in focus object data to generate visual indicators for the in focus objects. As a result, the display device can provide the camera operator with a field of view having visual indicators of the video frame and the objects that appear as overlays over the operator's field of view.
A system and method is provided for minimizing delay time for controlling media content capture during live video broadcast production. The system includes a video production receiver that receives media content streams from one or more cameras that includes live media content captured by the cameras and encoded in a first encoding format. Moreover, a multi-view interface displays the media content and a video production controller generates control instructions based on inputs to the interface to change operation of the cameras capturing the respective media content. A camera controller is included that transmits the generated control instructions to the cameras to change the operation for capturing the respective media content. Moreover, the video production controls production of a live video stream for video broadcast production using media content that is captured from the cameras and that is encoded in a second encoding format different than the first encoding format.
H04N 21/2343 - Processing of video elementary streams, e.g. splicing of video streams or manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
H04H 60/04 - Studio equipment; Interconnection of studios
A system and method that maximizes tracking speed of an object in a sequence of images by selecting a technique for tracking the object independently for each frame in a video. The system includes an object feature detector that detects object features in a reference frame of the video and a feature comparator that determines a number of object features in each frame in the sequence of images that match the detected object features in the reference frame. Moreover, a tracking pattern selector selects the type of object tracking to track the object in the current frame based on the determined matched object features between the reference frame and the current frame of the video.
An IP router capable of isochronous switching of a packetized media stream. According to an example, the IP router parses the RTP header within an incoming IP datagram to extract the RTP time stamp, which provides a time value for a unique IP Flow. By inspecting the header, the IP router can switch the flow at the point in time that the RTP time stamp value changes, or matches a target value. In one aspect, the IP router looks for the change in the RTP time stamp value and performs the switch based on the detected change. In another aspect, the IP router performs the switch at a specified time stamp value that can be unique to a group of signals or based on a common "sync" value published to all the ports of the IP router.
A system and method is provided for performing lossless switching in a redundant multicast network. An exemplary method includes receiving a primary media stream and a redundant media stream over different forwarding network paths by network ports of a receiver communicatively coupled to an A/V device. Furthermore, the receiver outputs media data of the media streams to the A/V device to be presented thereon. In response to a control signal to switch the receiver to a new primary media stream, the method disconnected either the primary or the redundant media streams from the respective network port of the receiver receiving that stream. Furthermore, the method includes controlling the disconnected network port to receive the new primary media stream and then outputting media data of the new primary media stream to the A/V device to be presented thereon.
H04L 12/18 - Arrangements for providing special services to substations for broadcast or conference
H04N 21/43 - Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
A media stream receiver is provided for scalable physical layer flow of packetized media streams. The media stream receiver replicates the processing block in time, rather than in hardware, through the use of a single shared memory and pointer alignment calculations, which combines multiple buffering stages as the single, shared memory buffer to offer redundancy and alignment, while acting as a receiver buffer to account for packet delay variations. By doing so the media stream receiver can perform a vertical interval switch between received media streams.
An image processor is provided for correcting brightness of saturated pixels of a captured image. The image processor can include a pixel saturation determiner that whether one or more pixels in an image sensor have been saturated by comparing pixel brightness levels of the pixels to a predetermined saturation threshold. Moreover, the image processor includes an image enhancer that generates a corrected image without artifacts due to the saturated pixel(s) by replacing the pixel brightness of the saturated pixel(s) with a pixel correction value that is based on a pixel brightness of one or more unsaturated pixel in the image sensor.
A method for performing differential double sampling and a CMOS image sensing device for performing the same. In one example, the CMOS image sensing device includes a pixel array include a multitude of pixels with each pixel formed by a plurality of photodiodes, a floating diffusion point and a plurality of transistors electrically coupled the plurality of photodiodes. Moreover, a column readout circuit with four storage capacitors is selectively coupled to the pixel array by switches so that the storage capacitors can store sampled pixel values. A control circuit connected to the pixel array and the column readout circuit selectively activates the transistors to output to the column readout circuit sampled dark value and bright values of one photodiode and a sampled double bright value of the one photodiode and one additional photodiode.
H04N 23/82 - Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
H04N 25/616 - Noise processing, e.g. detecting, correcting, reducing or removing noise involving a correlated sampling function, e.g. correlated double sampling [CDS] or triple sampling
H04N 25/78 - Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
26.
SYSTEM AND METHOD FOR DYNAMIC PIXEL MANAGEMENT OF A CROSS PIXEL INTERCONNECTED CMOS IMAGE SENSOR
A camera using a CMOS image sensor based on a shared pixel array technology avails both high definition (HD) and ultra-high definition (UHD) resolution mode formats. Dynamic pixel management allows for both sequential and binned timing formats of pixel signals using switched capacitor noise reduction techniques. When UHD resolution mode is selected, noise can be reduced using both digital double sampling (DDS) or differential digital double sampling (dDDS), and when HD resolution mode is selected noise can be reduced using DDS. Additionally, both rolling shutter and global shutter modes can be selected when HD resolution mode is selected.
H04N 23/667 - Camera operation mode switching, e.g. between still and video, sport and normal or high and low resolution modes
H04N 25/42 - Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by switching between different modes of operation using different resolutions or aspect ratios, e.g. switching between interlaced and non-interlaced mode
H04N 25/78 - Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
27.
SYSTEM AND METHOD FOR HIGH DYNAMIC RANGE DIGITAL DOUBLE SAMPLING
A system and method is provided for performing high dynamic range digital double sampling. More particularly, a CMOS image sensor is provided that includes a pixel array with each pixel sampling both dark and bright values for digital double sampling. After the sampled signals are digitized, a mean dark value is determined and each dark value is further fed to a lookup table that generates an output value taking into account whether the pixel has been saturated. In over exposed conditions, the lookup table will generate a negative value output to eliminate image artifacts. All three values are fed to adder logic circuit that subtracts the mean dark value and the lookup table output from the bright value. This resulting output is fed to a video viewer.
An apparatus for HDR image processing is provided. The apparatus determines an imaging sensitivity value. The apparatus then compares subsets of imaging information with the determined imaging sensitivity value and applies a gamma correction to each subset of imaging information using a gamma low contrast curve or a gamma high contrast curve based on the comparison to obtain the gamma corrected subset of imaging information.
G06T 5/90 - Dynamic range modification of images or parts thereof
H04N 23/82 - Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
A network apparatus and a content distribution apparatus are described. The network apparatus is configured to transcode and transmit pre-broadcast content into transcoded content according to a format associated with a content distribution apparatus. The transcoded content includes a distribution indicator to restrict distribution of the transcoded content to one or more remote apparatus. Network apparatus is configured to transmit a "delta file" to content distribution apparatus with transcoded content and instructions to signal modifying the pre-broadcast content. Content distribution apparatus is configured to receive transcoded pre-broadcast content and "delta file" with instructions from network apparatus. Content distribution apparatus removes the distribution indicator from the transcoded pre-broadcast content once the signaling instructions indicates that the broadcast content corresponds with pre-broadcast content. Content distribution apparatus may use the "delta file" to modify the transcoded pre- broadcast content such that the modified pre-broadcast content corresponds with broadcast content with a tolerance.
H04N 21/4402 - Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
The present aspects relate to techniques of timing synchronization of audio and video (AV) data in a network. In particular, the techniques for a AV master to distribute AV data encoded with one or more time markers to a plurality of processing nodes. The one or more time markers may be indexed to a precision time protocol (PTP) time stamp used as a time reference. In one technique, the nodes extract the time markers to determine an offset value that is applied to a PLL to synchronize AV data packets at a distribution node or a processing node. In another technique the distribution node or the processing node determines the worst case path, which corresponds to a system offset value. The distribution node then reports the system offset value to the AV master, which in turn adjusts the phase based on the report.
A camera for capturing video images in a series of frames includes an image sensor having an array of pixels. Each pixel receives an image and accumulates an electrical charge representative of the image during a frame. The camera also includes a pixel processor to sample a pixel output for each of the pixels of the image sensor during an intermediate portion of the frame to produce a signal representative of the image.
An apparatus includes a display and an image processing system. The display has an array of horizontal pixels and vertical pixels. The image processing system is configured to present an image on the display as a visible display array having a smaller size than the array and to shift the visible display array by at least one pixel.
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
A router fabric for switching real time broadcast video signals in a media processing network includes a logic device configured to route multiple channels of packetized video signals to another network device, a crossbar switch configured to be coupled to a plurality of input/output components and to switch video data of the multiple channels between the logic device and the plurality of input/output components in response to a control instruction, and a controller configured to map routing addresses for each video signal relative to the system clock, and to send the control instruction with the mapping to the crossbar switch and the logic device.
H04L 47/00 - Traffic control in data switching networks
H04H 20/95 - Arrangements characterised by special technical features of the broadcast information, e.g. signal form or information format characterised by a specific format, e.g. MP3 [MPEG-1 Audio Layer 3]
H04H 60/82 - Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself the transmission system being the Internet
H04L 49/101 - Packet switching elements characterised by the switching fabric construction using crossbar or matrix
A router fabric for switching real time broadcast video signals in a media processing network includes a logic device configured to route multiple channels of packetized video signals to another network device, a crossbar switch configured to be coupled to a plurality of input/output components and to switch video data of the multiple channels between the logic device and the plurality of input/output components in response to a control instruction, and a controller configured to map routing addresses for each video signal relative to the system clock, and to send the control instruction with the mapping to the crossbar switch and the logic device.
H04L 47/00 - Traffic control in data switching networks
H04H 20/95 - Arrangements characterised by special technical features of the broadcast information, e.g. signal form or information format characterised by a specific format, e.g. MP3 [MPEG-1 Audio Layer 3]
H04H 60/82 - Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself the transmission system being the Internet
H04L 49/101 - Packet switching elements characterised by the switching fabric construction using crossbar or matrix
A router fabric for switching real time broadcast video signals in a media processing network includes a logic device configured to route multiple channels of packetized video signals to another network device, a crossbar switch configured to be coupled to a plurality of input/output components and to switch video data of the multiple channels between the logic device and the plurality of input/output components in response to a control instruction, and a controller configured to map routing addresses for each video signal relative to the system clock, and to send the control instruction with the mapping to the crossbar switch and the logic device.
H04L 47/00 - Traffic control in data switching networks
H04H 20/95 - Arrangements characterised by special technical features of the broadcast information, e.g. signal form or information format characterised by a specific format, e.g. MP3 [MPEG-1 Audio Layer 3]
H04H 60/82 - Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself the transmission system being the Internet
H04L 49/101 - Packet switching elements characterised by the switching fabric construction using crossbar or matrix
The present disclosure is directed to cloud-based media distribution and management systems, providing pushing of content to regional playout servers geographically dispersed for local rebroadcasting of network based content. Automation may be controlled through a hierarchical system, allowing easy and efficient playlist editing and media control. In another aspect, the present disclosure is directed to a playout server for retrieving or receiving content from a network or cloud based storage, and playing content according to an automated playlist received from a media distribution and management system.
H04N 21/262 - Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission or generating play-lists
A decoding apparatus (10) is disclosed which includes: a storing means (11) for storing encoded audio signals including multi-channel audio signals; a transforming means (40) for transforming the encoded audio signals to generate transform block-based audio signals in a time domain; a window processing means (41) for multiplying the transform block-based audio signals by a product of a mixture ratio of the audio signals and a first window function, the product being a second window function; a synthesizing means (43) for overlapping the multiplied transform block-based audio signals to synthesize audio signals of respective channels; and a mixing means (14) for mixing audio signals of the respective channels between the channels to generate a downmixed audio signal. Furthermore, an encoding apparatus is also disclosed which downmixes the multi-channel audio signals, encodes the downmixed audio signals, and generates the encoded, downmixed audio signals.
G10L 19/008 - Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
G10L 19/022 - Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
H04S 3/00 - Systems employing more than two channels, e.g. quadraphonic
H04S 3/02 - Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
38.
ENCODING METHOD, ENCODING DEVICE, AND ENCODING PROGRAM FOR ENCODING INTERLACED IMAGE
It is an object of the present invention to provide an encoding method, an encoding device, and an encoding program for encoding an interlaced image in a simple and effective manner. The encoding method includes: a frequency conversion step (s101) of converting the interlaced image to coefficients of frequency domain having predetermined frequency ranges in a vertical direction and a horizontal direction, respectively; and a weighting step (s 102) of weighting the coefficients of frequency domain for each frequency band. In the weighting step, a weighting factor used for weighting a coefficient of a frequency band exceeding a predetermined frequency in the vertical direction is substantially equal to or larger than a weighting factor used for weighting a coefficient in a frequency band exceeding the predetermined frequency in the horizontal direction.
H04N 19/60 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
H04N 19/63 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
39.
MULTI-PREVIEW CAPABILITY FOR VIDEO PRODUCTION DEVICE
A video production apparatus advantageously includes at least one embedded multi-previewer (14) that receives at least some of a plurality video signals generated by one or more elements in the switcher, such as a mix-effects engine (10). The multi-previewer generates an output signal which when displayed yields of mosaic of images, each representative of a respective input signal. In this way, an operator can observe, via a single video monitor, the status of multiple video signals, thus obviating the need for multiple device outputs, multiple monitors, and associated cabling.
A method for updating a control event for controlling at least one device to produce audio visual content includes the steps of analyzing the control event to establish: (1) parameter(s) corresponding to the control event available for modification; and (2) parameter(s) of other control events influenced upon modification of at least one parameter corresponding to the control event, and modifying the parameter of the control event and other control events influenced thereby in response to user input changing at least one parameter of the control event available information.
G11B 27/034 - Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
H04H 60/02 - Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linkage to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
H04N 5/222 - Studio circuitry; Studio devices; Studio equipment
The insertion of an advertisement or other new content into a time slot between content segments advantageously occurs by selecting the new segment to fill its associated slot as closely as possible. Play out of a successive content segment occurs for distribution over at least one of a first set of channels and at least one second channel until the occurrence of the time slot whereupon the new content segment undergoes play out for distribution over the at least one second channel. If the new content segment has a duration longer than the time slot, the length of at least one content segment gets reduced to provide substantially seamless play out.
H04N 21/262 - Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission or generating play-lists
H04N 7/24 - Systems for the transmission of television signals using pulse code modulation
42.
METHOD AND APPARATUS FOR PROVIDING AN INDICATION OF A LEVEL OF DISTORTION CREATED BY BLOCKING ARTIFACTS
A method and an apparatus are disclosed for providing an indication of a level of distortion created by blocking artifacts in an image comprising a plurality of pixels, the method comprising for each pixel in a first given direction, determining a corresponding gradient between the pixel and a neighboring pixel, for each pixel in the first direction, summing each of the corresponding determined gradient in a second direction to provide a plurality of gradient summing values, computing a level of distortion for each of at least one potential block size using at least one of the gradient summing values, determining an actual block size using the computed at least one level of distortion and providing the level of distortion corresponding to the determined actual block size.
H04N 17/00 - Diagnosis, testing or measuring for television systems or their details
H04N 19/61 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
43.
GENERATION OF VIDEO TRANSITIONS ON AN AUXILIARY BUS USING A VIDEO SWITCHER
A mix-effects bank architecture of a video switcher having a plurality of video processing units (202, 204, and 206); and an internal switcher routing matrix (200). The internal switcher routing matrix (200) routing, a video source currently providing a video feed to an auxiliary output (110) and a desired new source for the auxiliary output (110) to a video processing unit that is not contributing towards video processing and routing an output of said video processing unit to said auxiliary output (110). The video processing unit that is not contributing towards video processing performs a transitional effect for the auxiliary output (110).
A method for managing tasks and user operations on media using a model of resources management dealing with the complexity of situation which occur in a production/distributions system is provided. The method is based on a workplace infrastructure, a task-oriented user interface and a work package management system. The method optimizes operations in media production/distribution environment through a workflow-based user interface that handles Work packages, Workplaces, Tasks, Assets and Contents.
A simple message mechanism serves to interface applications within content management system. The message management mechanism operates by extracting at least one selected parameter during execution of at least one task (e.g., application) during content workflow. The operator is then notified of whether the at least one task executed successfully in accordance with the extracted parameter.
46.
ENHANCED DATABASE SCHEME TO SUPPORT ADVANCED MEDIA PRODUCTION AND DISTRIBUTION
An enhanced database system and method for media production and distribution enables the aggregation of assets using external unique IDs. The use of the external IDs allows the searching of Media Asset Management database to be performed without any prior knowledge of the actual database. The search configuration defines a set of search environment parameters that are imported into the search database during a configuration stage and which are used by the search services to provide client applications with an interface to create, validate, and execute queries.
An apparatus includes a separator for selectively separating audio from input signals including video with audio, a switcher for selectively transferring the input signals to at least one output, a multiplexed path for sending the separated audio signal to the at least one output, the at least one output being configured for selectively directing the input signals and separated audio signals.
patents
