| 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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| 04/03/2013 | CN102272830B Audio signal decoding device and method of balance adjustment |
| 04/03/2013 | CN102254562B Method for coding variable speed audio frequency switching between adjacent high/low speed coding modes |
| 04/03/2013 | CN102243875B Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system |
| 04/03/2013 | CN102057423B Concealing audio artifacts |
| 04/03/2013 | CN101952885B Device and method for synchronizing multi-channel expansion data with an audio signal and for processing the audio signal |
| 04/03/2013 | CN101911185B Vector quantizer, vector inverse quantizer, and methods thereof |
| 04/03/2013 | CN101903944B Method and apparatus for processing audio signal |
| 04/03/2013 | CN101641733B Method and apparatus for encoding audio signal, and method and apparatus for decoding audio signal |
| 04/03/2013 | CN101253552B Method for decoding an audio signal |
| 04/02/2013 | USRE44126 Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients |
| 04/02/2013 | US8412533 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method |
| 04/02/2013 | US8412532 Integration of embedded and network speech recognizers |
| 04/02/2013 | US8412520 Noise reduction device and noise reduction method |
| 04/02/2013 | US8412519 Steganography in digital signal encoders |
| 04/02/2013 | US8412518 Time warped modified transform coding of audio signals |
| 04/02/2013 | US8412365 Spectral translation/folding in the subband domain |
| 04/02/2013 | US8411869 Method and apparatus for processing a media signal |
| 04/02/2013 | US8411731 Device and method for processing a real subband signal for reducing aliasing effects |
| 04/02/2013 | US8410918 Vehicle door opening indicator system |
| 03/28/2013 | WO2012165910A3 Audio-encoding method and apparatus, audio-decoding method and apparatus, recording medium thereof, and multimedia device employing same |
| 03/28/2013 | US20130080157 Coding apparatus and method using residual bits |
| 03/28/2013 | US20130077793 Method and apparatus for down-mixing multi-channel audio |
| 03/28/2013 | US20130077631 Method and apparatus for transmitting and receiving of the object-based audio contents |
| 03/27/2013 | EP2573942A1 Encoding method, decoding method, device, program, and recording medium |
| 03/27/2013 | EP2573941A1 Encoding method, decoding method, device, program, and recording medium |
| 03/27/2013 | EP2573767A1 Method and device for updating status of synthesis filters |
| 03/27/2013 | EP2573766A1 Encoding method, decoding method, encoding device, decoding device, program, and recording medium |
| 03/27/2013 | EP2573765A2 Audio encoder and decoder |
| 03/27/2013 | CN103003877A Audio signal processing device and audio signal processing method |
| 03/27/2013 | CN103003876A Modification of speech quality in conversations over voice channels |
| 03/27/2013 | CN103000186A Time warp activation signal provider and audio signal encoder using a time warp activation signal |
| 03/27/2013 | CN103000182A Method, medium and apparatus with scalable channel decoding |
| 03/27/2013 | CN103000181A System and implement method thereof for secret communications based on public communication network voice channel |
| 03/27/2013 | CN103000180A Surround array coding and decoding system and achieving method thereof |
| 03/27/2013 | CN103000179A Multichannel audio coding/decoding system and method |
| 03/27/2013 | CN103000178A Time warp activation signal provider and audio signal encoder employing the time warp activation signal |
| 03/27/2013 | CN103000177A Time warp activation signal provider and audio signal encoder employing the time warp activation signal |
| 03/27/2013 | CN102522089B Information embedding and extracting method for G.723.1 voice coder |
| 03/27/2013 | CN102419978B Audio decoder and frequency spectrum reconstructing method and device for audio decoding |
| 03/27/2013 | CN102292768B A method and an apparatus for processing an audio signal |
| 03/27/2013 | CN102246229B Predicting method and apparatus for frequency domain pulse decoding and decoder |
| 03/27/2013 | CN102177545B Apparatus and method for generating a synthesis audio signal and for encoding an audio signal |
| 03/27/2013 | CN102150205B Apparatus for encoding and decoding of integrated speech and audio |
| 03/27/2013 | CN102119413B Acoustic signal processing system, acoustic signal decoding device, and processing method therein |
| 03/27/2013 | CN102044245B Instant processing method of input voice information in intelligent machine |
| 03/27/2013 | CN101297597B Removing time delays in signal paths |
| 03/27/2013 | CN101283403B Method and apparatus for signal processing and encoding and decoding method, and apparatus thereof |
| 03/27/2013 | CN101283252B Method and apparatus for signal processing and encoding and decoding method, and apparatus thereof |
| 03/27/2013 | CN101253550B Method of encoding and decoding an audio signal |
| 03/27/2013 | CN101120400B Method for generating concealment frames in communication system |
| 03/26/2013 | US8407060 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 |
| 03/26/2013 | US8407059 Method and apparatus of audio matrix encoding/decoding |
| 03/26/2013 | US8407046 Noise-feedback for spectral envelope quantization |
| 03/26/2013 | US8407044 Telephony content signal discrimination |
| 03/26/2013 | US8407043 Computationally efficient audio coder |
| 03/26/2013 | US8406382 Transparent voice registration and verification method and system |
| 03/26/2013 | CA2688916C Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 03/26/2013 | CA2542151C Methods and apparatus to extract codes from a plurality of channels |
| 03/21/2013 | WO2013040485A2 Cough detecting methods and devices for detecting coughs |
| 03/21/2013 | WO2012144877A3 Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for de-quantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefor |
| 03/21/2013 | US20130073297 Methods and devices for providing an encoded digital signal |
| 03/21/2013 | US20130073296 Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding |
| 03/21/2013 | US20130073295 Audio codec with vibrator support |
| 03/21/2013 | US20130073065 Method and apparatus for detecting which one of symbols of watermark data is embedded in a received signal |
| 03/21/2013 | US20130070960 Providing a watermarked decoded audio or video signal derived from a watermarked audio or video signal that was low bit rate encoded and decoded |
| 03/20/2013 | EP2571170A1 Encoding method, decoding method, encoding device, decoding device, program, and recording medium |
| 03/20/2013 | EP2571024A1 Adaptive transition frequency between noise fill and bandwidth extension |
| 03/20/2013 | EP2569767A2 Method and arrangement for processing of audio signals |
| 03/20/2013 | EP2569766A1 Method and apparatus for detecting which one of symbols of watermark data is embedded in a received signal |
| 03/20/2013 | CN1996763B Audio device and operation method thereof |
| 03/20/2013 | CN102986136A Apparatus and method for modifying an input audio signal |
| 03/20/2013 | CN102985969A Coding device, decoding device, and methods thereof |
| 03/20/2013 | CN102985968A Method and device for processing audio signal |
| 03/20/2013 | CN102985967A Adaptive audio transcoding |
| 03/20/2013 | CN102985966A Audio encoder and decoder and methods for encoding and decoding an audio signal |
| 03/20/2013 | CN102983963A Encryption conversation method and conversation encryption device |
| 03/20/2013 | CN102982807A Method and system used for carrying out multilevel vector quantization for voice signal linear predictive coding (LPC) coefficient |
| 03/20/2013 | CN102982806A Methods and apparatus to perform audio signal decoding |
| 03/20/2013 | CN102982805A Multi-channel audio signal compressing method based on tensor decomposition |
| 03/20/2013 | CN102982802A Vehicle feature recognition algorithm based on real-time coding |
| 03/20/2013 | CN102496371B Digital watermark method for audio carrier |
| 03/20/2013 | CN102394063B MPEG surround decoder and method for restoring multi-channel audio signal |
| 03/20/2013 | CN102089812B Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
| 03/20/2013 | CN101656580B Processing method and device of full rate speech |
| 03/20/2013 | CN101572090B Self-adapting multi-rate narrowband coding method and coder |
| 03/20/2013 | CN101276588B Method for outputting audio signals and audio decoder |
| 03/19/2013 | US8401865 Flexible parameter update in audio/speech coded signals |
| 03/19/2013 | US8401862 Audio encoder, method for providing output signal, bandwidth extension decoder, and method for providing bandwidth extended audio signal |
| 03/19/2013 | US8401845 System and method for enhancing a decoded tonal sound signal |
| 03/19/2013 | US8401844 Gain control system, gain control method, and gain control program |
| 03/19/2013 | US8401843 Method and device for coding transition frames in speech signals |
| 03/19/2013 | CA2559101C Adaptive quantiser |
| 03/14/2013 | WO2013035537A1 Digital watermark detection device and digital watermark detection method, as well as tampering detection device using digital watermark and tampering detection method using digital watermark |
| 03/14/2013 | WO2013035257A1 Encoding device, decoding device, encoding method and decoding method |
| 03/14/2013 | WO2013035170A1 Recording device, recording method and computer program for controlling recording |
| 03/14/2013 | WO2012145709A3 A method for encoding multiple microphone signals into a source-separable audio signal for network transmission and an apparatus for directed source separation |
| 03/14/2013 | WO2012144878A3 Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium |
| 03/14/2013 | WO2012141486A3 Frame erasure concealment for a multi-rate speech and audio codec |
| 03/14/2013 | US20130066641 Encoder Adaption in Teleconferencing System |
| 03/14/2013 | US20130066640 Audio encoding/decoding scheme having a switchable bypass |