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Codec patents



      
           
This page is updated frequently with new Codec-related patent applications. Subscribe to the Codec RSS feed to automatically get the update: related Codec RSS feeds. RSS updates for this page: Codec RSS RSS


Chroma frame conversion for the video codec

Volume control method and system

Method and system for multi-layer rate control for a multi-codec system

Date/App# patent app List of recent Codec-related patents
07/17/14
20140197976
 Bus signal encoded with data and clock signals patent thumbnailnew patent Bus signal encoded with data and clock signals
A codec includes a transmission path between an encoder and a decoder. The encoder receives bits of data in a first form in which each bit of the data is represented by switching between first and second logic states and no voltage change between consecutive bits of the same logic state and serially transmits the bits in a second form in which the first logic state is maintained at a high voltage, the second logic state is maintained at a low voltage, and an intermediate voltage is maintained between consecutive bits.
07/10/14
20140192261
 Chroma frame conversion for the video codec patent thumbnailChroma frame conversion for the video codec
Converting a first format frame to one or more second format frames. In one embodiment, a method includes accessing a first format frame using n coefficients, where n is the total number of coefficients used for the y, u and v planes of the first format frame.
07/03/14
20140185831
 Volume control method and system patent thumbnailVolume control method and system
In a volume control method applied to an audio processing system, firstly, a digital audio stream including a plurality of digital audio packets is received from a transmitter. It is determined whether an excitation signal is detected.
06/19/14
20140169454
 Method and system for multi-layer rate control for a multi-codec system patent thumbnailMethod and system for multi-layer rate control for a multi-codec system
A video transmitter comprising a plurality of encoders may be operable to determine, for a transport stream, a constant overall number of bits per time interval corresponding to a frame in the transport stream. For each time interval corresponding to a start and an end of encoding of each of frames using each of the encoders, the video transmitter may allocate a target number of bits to each of the frames to achieve the constant overall number of bits.
06/12/14
20140164876
 Modulation coding of parity bits generated using an error-correction code patent thumbnailModulation coding of parity bits generated using an error-correction code
A communication system, such as a magnetic recording channel, configured to apply modulation coding to parity bits of a block error-correction code. An embodiment of the communication system may have a transmitter having two different modulation encoders, one configured to apply a first modulation code to information bits and the other configured to apply a second modulation code to the parity bits that have been generated from the information bits using a block error-correction code.
06/12/14
20140164760
 Apparatus and methods for content transfer protection patent thumbnailApparatus and methods for content transfer protection
Methods and apparatus for ensuring protection of transferred content. In one embodiment, content is transferred while enabling a network operator (e.g., mso) to control and change rights and restrictions at any time, and irrespective of subsequent transfers.
06/12/14
20140164419
 Encoder, decoder and method patent thumbnailEncoder, decoder and method
A method of encoding source data to generate corresponding encoded data for transmission or storage includes matching one or more portions of the source data to one or more elements in one or more databases, wherein the one or more elements are representative of corresponding one or more data blocks, and recording reference values which relate the one or more portions of the source data to the one or more matched elements; and including the reference values in the encoded data together with the one or more databases and/or information identifying the one or more databases. The methods are implemented in an encoder, a decoder and in a codec.
06/12/14
20140164336
 Method for codec-based recovery of a video using a cluster search patent thumbnailMethod for codec-based recovery of a video using a cluster search
A method for codec-based recovery of a video, which includes recovering an image by combining image decoding information and non-overwritten image frames, is provided. The method includes: a cluster extraction step of extracting a pre-cluster region; a region extraction step of extracting, from the pre-cluster region extracted in the cluster extraction step, an m frame region encoded using an mpeg-4 visual codec and an m decoding region; a combining step of combining the m frame region and the m decoding region extracted in the region extraction step and listing the combination; and a recovering step of decoding the m frame region and the m decoding region, listed in the combining step, to be recovered as an image..
06/12/14
20140161424
 Imaging apparatus, imaging method, recording medium, and program patent thumbnailImaging apparatus, imaging method, recording medium, and program
Disclosed herein are an imaging apparatus, an imaging method, a recording medium, and a program which are capable of processing imaging data in a manner similar to that of a normal frame rate. Image data captured by a solid-state imaging element capable of performing imaging at a high resolution and a high frame rate is supplied to a memory control.
06/12/14
20140161262
 Fm stereo radio receiver by using parametric stereo patent thumbnailFm stereo radio receiver by using parametric stereo
The invention relates to an apparatus (1) for improving a stereo audio signal of an fm stereo radio receiver (10). It is suggested to employ components of a standard he-acc v2 decoder (40) in such apparatus (1) to efficiently recover the stereo audio signal (l\r′) while also exhibiting good signal quality.
06/12/14
20140161195
Video generator - use of database for video, image, graphics and audio
A similar method of decoding encoded data to generate corresponding decoded output data is also provided is also described. The methods are beneficially implemented in an encoder, a decoder and in a codec..
06/12/14
20140160225
Method and system for video conference and pc user experience integration
Disclosed is a system and method for integrating a user computer with a codec device so that operation of input devices to a computer is transferred to a display associated with the codec.. .
06/05/14
20140153756
System and method for network based hearing aid compatible mode selection
A system and method for providing a hearing aid compatibility mode of communication service to hearing aid users is disclosed. The described system can store an indication at a communication network that a given account is used by a person who wears hearing aid equipment.
05/29/14
20140149828
Solid state drive and joint encoding/decoding method thereof
A joint encoding/decoding method for a solid state drive is provided. Firstly, a data-writing process is implemented for encoding a user data by a hard codec and a soft codec respectively, thereby generating a first number of parity bits and a second number of parity bits.
05/29/14
20140149123
Method and device for storing audio data
A method for storing audio data is disclosed, including: recording basic information of a versatile audio data storage file into the versatile audio data storage file; storing versatile audio codec (vac) frame data into the versatile audio data storage file sequentially; recording payload information of the versatile audio data storage file into the versatile audio data storage file; and recording index information of vac frames stored in the versatile audio data storage file into the versatile audio data storage file. A device for storing the audio data is also disclosed, including: a basic information record module, a vac frame data storage module, a payload information record module and an index information record module.
05/29/14
20140146835
64b/66b codec for ethernet applications
Aspects of the disclosure provide a codec that transforms input data into a codeword. The codeword includes a header portion and a payload portion.
05/22/14
20140140397
Logic devices, digital filters and video codecs including logic devices, and methods of controlling logic devices
A logic device includes: a function block and a configuration block. The function block is configurable to perform operations associated with a plurality of operation modes.
05/22/14
20140140396
Method and system for structural similarity based perceptual video coding
The present invention is a system and method for video coding. The video coding system may involve a structural similarity-based divisive normalization approach, wherein the frame prediction residual of the current frame may be transformed to form a set of coefficients and a divisive normalization mechanism may be utilized to normalize each coefficient.
05/15/14
20140137162
Systems and methods for communicating a live event to users using the internet
Systems and methods for distributing an audio/visual feed of a live event include mixing ambient audio signals, from ambient microphones monitoring the live event, with sound board feed from the event public address system, thereby forming a mixed audio signal. A video input signal is received at each video input in a plurality of video inputs at a video board from corresponding cameras recording the event.
05/15/14
20140136927
Adaptive ecc techniques for flash memory based data storage
Adaptive ecc techniques for use with flash memory enable improvements in flash memory lifetime, reliability, performance, and/or storage capacity. The techniques include a set of ecc schemes with various code rates and/or various code lengths (providing different error correcting capabilities), and error statistic collecting/tracking (such as via a dedicated hardware logic block).
05/15/14
20140133683
System and method for adaptive audio signal generation, coding and rendering
Embodiments are described for an adaptive audio system that processes audio data comprising a number of independent monophonic audio streams. One or more of the streams has associated with it metadata that specifies whether the stream is a channel-based or object-based stream.
05/15/14
20140133566
Block error compensating apparatus of image frame and method thereof
An apparatus and method are provided for compensating a block error in an image frame. This may include a video codec decoder for decoding an inputted image frame, and outputting a decoded image frame.
05/08/14
20140126878
Self-configuring media devices and methods
Systems and methods for self-configuring portable electronic devices are provided. In one embodiment, the portable device includes carrier circuitry that receives compressed data streams of information and application circuitry that decompresses the received data stream in accordance with a specific codec.
05/08/14
20140126715
System and method for web-based real time communication with optimized transcoding
A system and method is provided to allow for real-time communication between a web browser application and a contact center resource, where media codecs supported by the two parties may differ. A processor is configured to bridge the media exchanged between the browser and contact center resource.
05/08/14
20140125759
Methods and apparatus for video communications
A videoconferencing architecture that connects various external parties and codecs by establishing outgoing connections from a virtual room to designated video endpoints.. .
05/01/14
20140122933
Method, node, and monitoring center detecting network fault
The present invention discloses a method, a node, and a monitoring center for detecting a network fault and relates to the field of network communications. The method includes: when a node receives a voice stream, receiving a source identifier, a codec type, and voice quality parameters; acquiring, according to the codec type and the voice quality parameters, a fault score corresponding to the node; and detecting, according to the fault score corresponding to the node, whether a network fault occurs on a network between the node and a source corresponding to the source identifier.
05/01/14
20140122066
Pulse encoding and decoding method and pulse codec
In a pulse encoding and decoding method and a pulse codec, more than two tracks are jointly encoded, so that free codebook space in the situation of single track encoding can be combined during joint encoding to become code bits that may be saved. Furthermore, a pulse that is on each track and required to be encoded is combined according to positions, and the number of positions having pulses, distribution of the positions that have pulses on the track, and the number of pulses on each position that has a pulse are encoded separately, so as to avoid separate encoding performed on multiple pulses of a same position, thereby further saving code bits..
05/01/14
20140121796
Audio processing device
An audio processing device including a main processing unit, an audio processing unit and a codec is provided. The main processing unit includes a first audio interface.
04/24/14
20140115090
Methods and apparatus for content caching in a video network
Methods and apparatus for selectively caching (and de-caching) video content in network so as to reduce content transformation requirements and also cache storage requirements. In one embodiment, a content caching controller associated with a content server differentiates content requests based on content attributes such as the requested codec format (e.g., mpeg or windows media), resolution, bitrate, and/or encryption type or security environment.
04/24/14
20140114668
Apparatus, system and method for buffering audio data to allow low power states in a processing system during audio playback
An audio data stream from a processing system may be buffered to allow low power states in the processing system during audio playback. An audio buffer may be provided external to the processing system and between the processing system and an audio codec.
04/24/14
20140114667
Transform audio codec and methods for encoding and decoding a time segment of an audio signal
Methods and devices for efficient encoding/decoding of a time segment of an audio signal. The methods comprise deriving an indicator, z, of the position in a frequency scale of a residual vector associated with the time segment of the audio signal, and deriving a measure, Φ, related to the amount of structure of the residual vector.
04/24/14
20140113492
Simplified led modules for electrical and optical audio jacks
Audio jack optical modules that may have a reduced size. Various examples may provide an optical module for an audio jack where a driver circuit is omitted from the optical module and instead placed either elsewhere in the audio jack or separately outside the audio jack.
04/24/14
20140112395
Method and apparatus for decoder buffering in hybrid coded video system
Disclosed is a transport device in a video system which uses a hybrid video codec. The transport device includes a first video encoder which encodes a first video using a first video codec, a second video encoder which encodes a second video using a second video codec, and a delay buffer for synchronizing a delay time for the first video and the second video, based on a buffer size of if a first transport stream system target decoder (t-std) stipulated in the first video encoder and a buffer size of a second t-std stipulated in the second video encoder..
04/17/14
20140106729
Method, apparatus, and media gateway for codec rate adjustment
The present invention discloses a method for codec rate adjustment. A media gateway (mgw) determines whether an initial codec rate of a first interface is consistent with an initial codec rate of a second interface or an initial codec rate of a third interface, where the first interface is an a interface, the second interface is an nb interface, and the third interface is an lu interface; when determining that the initial codec rate of the first interface is inconsistent with the initial codec rate of the second interface or the initial codec rate of the third interface, the mgw adjusts the initial codec rate of the second interface or the initial codec rate of the third interface to the initial codec rate of the first interface.
04/17/14
20140105279
Image encoding apparatus and image encoding method
An image analyzer divides an input image into first blocks in a coding unit and generates analysis information associated with intra-frame prediction of the input image for each first block. An intra-frame predictor divides the input image into second blocks in a predictive unit, and performs the intra-frame prediction to generate the prediction residual of each second block.
04/17/14
20140105041
Method and apparatus for packet loss rate-based codec adaptation
A method, an apparatus, and a computer program product for wireless communication are provided where, at a first wireless node, a weighted average of a frame loss rate is determined for a plurality of frames transmitted from a second wireless node using a first codec; feedback is transmitted to the second wireless node based at least in part on the frame loss rate; and one or more frames are received from the second wireless node using a second codec, responsive to transmitting the feedback. Also, transmitting from a first wireless node a plurality of frames to a second wireless node using a first codec; receiving frame loss rate information from the second wireless node responsive to the transmitting; selecting a second codec, based at least in part on the frame loss rate information, and transmitting a second plurality of frames to the second wireless node using the second codec..


Popular terms: [SEARCH]

Codec topics: Pattern Recognition, Video Processing, Ip Multimedia Subsystem, Electronic Device, Image Processing, Demultiplex, Telecommunication, Circuit Switch, Circuit Switched, Allocation, Telecommunications, Communications, Multimedia, Video Play, Communication Channel

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