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Class Information
Number: 704/501
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Audio signal bandwidth compression or expansion > With content reduction encoding
Description: Subject matter combined with means to discard and replace redundant information by a code indicating what has been discarded.

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8712783 Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes Apr. 29, 2014
8706277 Method and system for memory usage in real-time audio systems Apr. 22, 2014
8706508 Audio decoding apparatus and audio decoding method performing weighted addition on signals Apr. 22, 2014
8694325 Hierarchical audio coding, decoding method and system Apr. 8, 2014
8687829 Apparatus and method for multi-channel parameter transformation Apr. 1, 2014
8688442 Audio decoding apparatus, audio coding apparatus, and system comprising the apparatuses Apr. 1, 2014
8682652 Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic Mar. 25, 2014
8676573 Error concealment Mar. 18, 2014
8676570 Methods, apparatus and articles of manufacture to perform audio watermark decoding Mar. 18, 2014
8670988 Audio encoding/decoding apparatus and method providing multiple coding scheme interoperability Mar. 11, 2014
8670989 Appartus and method for coding and decoding multi-object audio signal with various channel Mar. 11, 2014
8665914 Signal analysis/control system and method, signal control apparatus and method, and program Mar. 4, 2014
8666752 Apparatus and method for encoding and decoding multi-channel signal Mar. 4, 2014
8645127 Efficient coding of digital media spectral data using wide-sense perceptual similarity Feb. 4, 2014
8645145 Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a hash table describing both significant state valu Feb. 4, 2014
8639519 Method and apparatus for selective signal coding based on core encoder performance Jan. 28, 2014
8638945 Apparatus and method for encoding/decoding signal Jan. 28, 2014
8639498 Apparatus and method for coding and decoding multi object audio signal with multi channel Jan. 28, 2014
8630863 Method and apparatus for encoding and decoding audio/speech signal Jan. 14, 2014
8630864 Method for switching rate and bandwidth scalable audio decoding rate Jan. 14, 2014
8626516 Method and system for dynamic range control in an audio processing system Jan. 7, 2014
8620672 Systems, methods, apparatus, and computer-readable media for phase-based processing of multichannel signal Dec. 31, 2013
8620674 Multi-channel audio encoding and decoding Dec. 31, 2013
8615398 Audio coding selection based on device operating condition Dec. 24, 2013
8612238 Apparatus and method for encoding/decoding signal Dec. 17, 2013
8612214 Apparatus and a method for generating bandwidth extension output data Dec. 17, 2013
8600737 Systems, methods, apparatus, and computer program products for wideband speech coding Dec. 3, 2013
8600765 Signal classification method and device, and encoding and decoding methods and devices Dec. 3, 2013
8595019 Audio coder/decoder with predictive coding of synthesis filter and critically-sampled time aliasing of prediction domain frames Nov. 26, 2013
RE44600 Encoding device and decoding device Nov. 12, 2013
8571877 Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods Oct. 29, 2013
8571876 Apparatus, method and computer program for obtaining a parameter describing a variation of a signal characteristic of a signal Oct. 29, 2013
8571875 Method, medium, and apparatus encoding and/or decoding multichannel audio signals Oct. 29, 2013
8571039 Encoding and decoding speech signals Oct. 29, 2013
8571878 Speech compression and decompression apparatuses and methods providing scalable bandwidth structure Oct. 29, 2013
8566106 Method and device for fast algebraic codebook search in speech and audio coding Oct. 22, 2013
8566108 Synchronization of multiple real-time transport protocol sessions Oct. 22, 2013
8560328 Encoding device, decoding device, and method thereof Oct. 15, 2013
8560330 Energy envelope perceptual correction for high band coding Oct. 15, 2013
8553895 Device and method for generating an encoded stereo signal of an audio piece or audio datastream Oct. 8, 2013
8548615 Encoder Oct. 1, 2013
8548962 Data compression and decompression using relative and absolute delta values Oct. 1, 2013
8543385 Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting Sep. 24, 2013
8543386 Method and apparatus for decoding an audio signal Sep. 24, 2013
8538766 Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium therefor Sep. 17, 2013
8538762 Method and apparatus for encoding/decoding stereo audio Sep. 17, 2013
8538747 Method and apparatus for speech coding Sep. 17, 2013
8532998 Selective bandwidth extension for encoding/decoding audio/speech signal Sep. 10, 2013
8532999 Apparatus and method for generating a multi-channel synthesizer control signal, multi-channel synthesizer, method of generating an output signal from an input signal and machine-readable stora Sep. 10, 2013
8533550 Method and system to improve the performance and/or reliability of a solid-state drive Sep. 10, 2013

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