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Class Information
Number: 704/503
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Audio signal time compression or expansion (e.g., run length coding)
Description: Subject matter where there is either an expansion or reduction of the time required for transmission of a nonspeech

Sub-classes under this class:

Class Number Class Name Patents
704/504 With content reduction encoding 272

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

Patent Number Title Of Patent Date Issued
8712763 Method for encoding signal, and method for decoding signal Apr. 29, 2014
8706508 Audio decoding apparatus and audio decoding method performing weighted addition on signals Apr. 22, 2014
8706511 Low-complexity spectral analysis/synthesis using selectable time resolution Apr. 22, 2014
8693697 Matrix encoder with improved channel separation Apr. 8, 2014
8694325 Hierarchical audio coding, decoding method and system Apr. 8, 2014
8687829 Apparatus and method for multi-channel parameter transformation Apr. 1, 2014
8682462 Systems and methods for dynamic audio processing Mar. 25, 2014
8682652 Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic Mar. 25, 2014
8682645 Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformer Mar. 25, 2014
8676573 Error concealment Mar. 18, 2014
8670990 Dynamic time scale modification for reduced bit rate audio coding Mar. 11, 2014
8666752 Apparatus and method for encoding and decoding multi-channel signal Mar. 4, 2014
8655156 Auxiliary audio transmission for preserving synchronized playout with paced-down video Feb. 18, 2014
8645126 Apparatus and method of encoding and decoding signals 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
8635077 Apparatus and method for expanding/compressing audio signal Jan. 21, 2014
8634572 Method and apparatus for ambient sound therapy user interface and control system Jan. 21, 2014
8620672 Systems, methods, apparatus, and computer-readable media for phase-based processing of multichannel signal Dec. 31, 2013
8620673 Audio decoding method and audio decoder Dec. 31, 2013
8615391 Method and apparatus to extract important spectral component from audio signal and low bit-rate audio signal coding and/or decoding method and apparatus using the same Dec. 24, 2013
8615398 Audio coding selection based on device operating condition Dec. 24, 2013
8612242 Minimizing speech delay in communication devices Dec. 17, 2013
8600765 Signal classification method and device, and encoding and decoding methods and devices Dec. 3, 2013
8600766 Method and apparatus for encoding and decoding data with altered bit sequence Dec. 3, 2013
8577686 Method and apparatus for decoding an audio signal Nov. 5, 2013
8571875 Method, medium, and apparatus encoding and/or decoding multichannel audio signals 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
8571878 Speech compression and decompression apparatuses and methods providing scalable bandwidth structure Oct. 29, 2013
8571879 Sound reproducing device adding audio data to decoded sound using processor selected based on trade-offs Oct. 29, 2013
8572042 Manipulating the actual or effective window size in a data-dependant variable-length sub-block parser Oct. 29, 2013
8566108 Synchronization of multiple real-time transport protocol sessions Oct. 22, 2013
8566106 Method and device for fast algebraic codebook search in speech and audio coding Oct. 22, 2013
8560328 Encoding device, decoding device, and method thereof Oct. 15, 2013
8560331 Audio acceleration Oct. 15, 2013
8548615 Encoder Oct. 1, 2013
8543386 Method and apparatus for decoding an audio signal Sep. 24, 2013
8538747 Method and apparatus for speech coding Sep. 17, 2013
8527282 Method and an apparatus for processing a signal Sep. 3, 2013
8521098 Receiving apparatus, transmitting apparatus, receiving method, transmitting method, communications system, and communication method Aug. 27, 2013
8521314 Hierarchical control path with constraints for audio dynamics processing Aug. 27, 2013
8521520 Handoffs between different voice encoder systems Aug. 27, 2013
8521522 Audio coding/decoding method and apparatus using excess quantization information Aug. 27, 2013
8515744 Method for encoding signal, and method for decoding signal Aug. 20, 2013
8509931 Progressive encoding of audio Aug. 13, 2013
8504378 Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same Aug. 6, 2013
8504376 Methods and apparatuses for encoding and decoding object-based audio signals Aug. 6, 2013
8498874 Audio signal encoding employing interchannel and temporal redundancy reduction Jul. 30, 2013
8494863 Audio encoder and decoder with long term prediction Jul. 23, 2013
8494866 Universal container for audio data Jul. 23, 2013

1 2 3 4 5 6 7 8 9 10 11

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