| Patents for G10L 19 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis (31,960) |
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| 12/05/2013 | US20130325448 Speech recognition adaptation systems based on adaptation data |
| 12/04/2013 | EP2669890A1 Vector joint encoding/decoding method and codec |
| 12/04/2013 | EP2668651A1 Coding through combination of code vectors |
| 12/04/2013 | CN103430233A Encoder and method for predictively encoding, decoder and method for decoding, system and method for predictively encoding and decoding and predictively encoded information signal |
| 12/04/2013 | CN103428406A Method and device for analyzing monitoring video |
| 12/04/2013 | CN103426435A Source separation by independent component analysis with moving constraint |
| 12/04/2013 | CN103426434A Source separation by independent component analysis in conjunction with source direction information |
| 12/04/2013 | CN103426432A Bandwidth dependent audio quality adjustment |
| 12/04/2013 | CN103426431A Converged communication system of satellite networks and ground network systems and dynamic acoustic code conversion method |
| 12/04/2013 | CN103425920A Audio information-based database security access control method of digital watermark |
| 12/04/2013 | CN102664014B Blind audio watermark implementing method based on logarithmic quantization index modulation |
| 12/04/2013 | CN102664003B Residual excitation signal synthesis and voice conversion method based on harmonic plus noise model (HNM) |
| 12/04/2013 | CN102543090B Code rate automatic control system applicable to variable bit rate voice and audio coding |
| 12/04/2013 | CN102122511B Signal processing method and device as well as voice decoder |
| 12/04/2013 | CN101878504B Low-complexity spectral analysis/synthesis using selectable time resolution |
| 12/04/2013 | CN101283249B Method and apparatus for signal processing and encoding and decoding method, and apparatus thereof |
| 12/03/2013 | US8600766 Method and apparatus for encoding and decoding data with altered bit sequence |
| 12/03/2013 | US8600765 Signal classification method and device, and encoding and decoding methods and devices |
| 12/03/2013 | US8600764 Determining an initial common scale factor for audio encoding based upon spectral differences between frames |
| 12/03/2013 | US8600739 Coding method, encoder, and computer readable medium that uses one of multiple codebooks based on a type of input signal |
| 12/03/2013 | US8600738 Method, system, and device for performing packet loss concealment by superposing data |
| 12/03/2013 | US8600737 Systems, methods, apparatus, and computer program products for wideband speech coding |
| 12/03/2013 | US8600530 Method for determining an audio data spatial encoding mode |
| 12/03/2013 | US8599981 Post-filter, decoding device, and post-filter processing method |
| 12/03/2013 | CA2596341C Method for concatenating frames in communication system |
| 12/03/2013 | CA2554002C Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| 11/28/2013 | WO2013176959A1 Three-dimensional sound compression and over-the-air transmission during a call |
| 11/28/2013 | WO2013176890A2 Three-dimensional sound compression and over-the-air-transmission during a call |
| 11/28/2013 | WO2013176177A1 Encoding method, decoding method, encoding device, decoding device, program and recording medium |
| 11/28/2013 | WO2013176073A1 Audio signal conversion device, method, program, and recording medium |
| 11/28/2013 | US20130318010 Audio signal encoding employing interchannel and temporal redundancy reduction |
| 11/28/2013 | US20130317833 Methods and Systems for Generating Filter Coefficients and Configuring Filters |
| 11/28/2013 | US20130317832 Audio frame timing correction method and wireless device |
| 11/28/2013 | US20130317831 Bandwidth expansion method and apparatus |
| 11/28/2013 | US20130317830 Three-dimensional sound compression and over-the-air transmission during a call |
| 11/28/2013 | US20130317829 Audio Decoding Method and Associated Apparatus |
| 11/28/2013 | US20130317814 Encoding method, decoding method, encoder, decoder, program, and recording medium |
| 11/28/2013 | US20130317813 Spectral envelope coding of energy attack signal |
| 11/28/2013 | US20130317812 Method and device for bandwidth extension |
| 11/28/2013 | US20130317811 Efficient Encoding/Decoding of Audio Signals |
| 11/28/2013 | US20130317810 Vector joint encoding/decoding method and vector joint encoder/decoder |
| 11/28/2013 | US20130315225 Method and apparatus for compressing and transmitting ultra high speed data |
| 11/27/2013 | EP2666161A1 Encoding and decoding of slot positions of events in an audio signal frame |
| 11/27/2013 | CN203313426U Satellite transmission router |
| 11/27/2013 | CN103415884A Device and method for execution of huffman coding |
| 11/27/2013 | CN103415883A Reduced complexity transform for a low-frequency-effects channel |
| 11/27/2013 | CN103414697A VOIP self-adaptation speech coding method and system and SIP server |
| 11/27/2013 | CN103413553A Audio coding method, audio decoding method, coding terminal, decoding terminal and system |
| 11/27/2013 | CN103413552A Audio watermark embedding and extracting method and device |
| 11/27/2013 | CN102737637B Method for data transmission by using voice-like modulation and demodulation |
| 11/26/2013 | US8595019 Audio coder/decoder with predictive coding of synthesis filter and critically-sampled time aliasing of prediction domain frames |
| 11/26/2013 | US8595018 Technique for controlling codec selection along a complex call path |
| 11/26/2013 | US8595017 Audio encoding method and device |
| 11/26/2013 | US8595003 Encoder quantization architecture for advanced audio coding |
| 11/26/2013 | US8595002 Half-rate vocoder |
| 11/26/2013 | US8595001 System for bandwidth extension of narrow-band speech |
| 11/26/2013 | US8595000 Method and apparatus to search fixed codebook and method and apparatus to encode/decode a speech signal using the method and apparatus to search fixed codebook |
| 11/26/2013 | US8594343 Sound processing apparatus and sound processing method |
| 11/26/2013 | US8594076 Mobile wireless internet portable radio |
| 11/26/2013 | CA2695654C System and method for providing amr-wb dtx synchronization |
| 11/26/2013 | CA2645908C Methods and apparatuses for encoding and decoding object-based audio signals |
| 11/21/2013 | WO2013173314A1 Efficient encoding and decoding of multi-channel audio signal with multiple substreams |
| 11/21/2013 | WO2013173080A1 System for maintaining reversible dynamic range control information associated with parametric audio coders |
| 11/21/2013 | US20130311192 Encoding method, encoder, periodic feature amount determination method, periodic feature amount determination apparatus, program and recording medium |
| 11/21/2013 | US20130308792 Spectral envelope coding of energy attack signal |
| 11/21/2013 | CA2873499A1 Encoding and reconstruction of residual data based on support information |
| 11/21/2013 | CA2873487A1 Decomposition of residual data during signal encoding, decoding and reconstruction in a tiered hierarchy |
| 11/20/2013 | EP2665294A2 Support of a multichannel audio extension |
| 11/20/2013 | EP2665061A1 Signal processing device, method and program |
| 11/20/2013 | EP2665060A1 Coding device, communication processing device, and coding method |
| 11/20/2013 | EP2664995A1 Signal processing method and device |
| 11/20/2013 | EP2663978A1 An audio encoder/decoder apparatus |
| 11/20/2013 | CN203300215U Small-scale double-rate MELP speech codec |
| 11/20/2013 | CN103403801A Parametric multichannel encoder and decoder |
| 11/20/2013 | CN103403800A Determining the inter-channel time difference of a multi-channel audio signal |
| 11/20/2013 | CN103403799A Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (USAC) |
| 11/20/2013 | CN103403710A Extraction and matching of characteristic fingerprints from audio signals |
| 11/20/2013 | CN103400584A Intelligent processing method and device with maximized audio compression performance and low flow consumption |
| 11/20/2013 | CN103400583A Enhanced coding and parameter representation of multichannel downmixed object coding |
| 11/20/2013 | CN103400582A Encoding and decoding method and system for multi-channel three-dimensional voice frequency |
| 11/20/2013 | CN103400581A Audio decoding using efficient downmixing and decoding method |
| 11/20/2013 | CN103393484A Voice processing method used for electrical cochlea |
| 11/20/2013 | CN102089813B Audio encoder and audio decoder |
| 11/20/2013 | CN101887726B Stereo coding and decoding methods and apparatuses thereof |
| 11/19/2013 | US8589173 Method and apparatus for encoding/decoding speech signal using coding mode |
| 11/19/2013 | US8589171 System and method for custom marking a media file for file matching |
| 11/19/2013 | US8589160 Systems and methods for providing an electronic dictation interface |
| 11/19/2013 | US8589155 Adaptive tuning of the perceptual model |
| 11/19/2013 | US8589154 Method and apparatus for encoding audio data |
| 11/19/2013 | US8589151 Vocoder and associated method that transcodes between mixed excitation linear prediction (MELP) vocoders with different speech frame rates |
| 11/19/2013 | US8588079 Method of notifying a transmission defect of an audio signal |
| 11/14/2013 | WO2013168414A1 Hybrid audio signal encoder, hybrid audio signal decoder, method for encoding audio signal, and method for decoding audio signal |
| 11/14/2013 | US20130305247 Interpreting i/o operation requests from pageable guests without host intervention |
| 11/14/2013 | US20130304481 Determining the Inter-Channel Time Difference of a Multi-Channel Audio Signal |
| 11/14/2013 | US20130304480 Encoding and decoding of slot positions of events in an audio signal frame |
| 11/14/2013 | US20130304460 Method for Encoding Signal, and Method for Decoding Signal |
| 11/14/2013 | US20130301835 Determining the inter-channel time difference of a multi-channel audio signal |
| 11/13/2013 | EP2661746A1 Multi-channel encoding and/or decoding |
| 11/13/2013 | EP2661745A1 Apparatus and method for error concealment in low-delay unified speech and audio coding (usac) |
| 11/13/2013 | EP2661744A1 A method, system and apparatus for processing audio signals |