| 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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| 04/19/2011 | US7930184 Multi-channel audio coding/decoding of random access points and transients |
| 04/19/2011 | US7930178 Speech modeling and enhancement based on magnitude-normalized spectra |
| 04/19/2011 | US7930177 Apparatus and method of encoding and decoding audio signals using hierarchical block switching and linear prediction coding |
| 04/19/2011 | US7930176 Packet loss concealment for block-independent speech codecs |
| 04/19/2011 | US7930173 Signal processing method, signal processing apparatus and recording medium |
| 04/19/2011 | US7930172 Global boundary-centric feature extraction and associated discontinuity metrics |
| 04/19/2011 | US7930171 Multi-channel audio encoding/decoding with parametric compression/decompression and weight factors |
| 04/19/2011 | US7930170 Computationally efficient audio coder |
| 04/19/2011 | US7929601 Methods and system for encoding/decoding signals including scrambling spectral representation and downsampling |
| 04/19/2011 | US7929420 Method and apparatus for learning VRRP backup routers |
| 04/14/2011 | WO2011044153A1 Automatic generation of metadata for audio dominance effects |
| 04/14/2011 | WO2011043227A1 Frequency band enlarging apparatus and method, encoding apparatus and method, decoding apparatus and method, and program |
| 04/14/2011 | WO2011042464A1 Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping |
| 04/14/2011 | WO2011042149A1 Efficient multichannel signal processing by selective channel decoding |
| 04/14/2011 | US20110087494 Apparatus and method of encoding audio signal by switching frequency domain transformation scheme and time domain transformation scheme |
| 04/14/2011 | US20110087487 Method and system for memory usage in real-time audio systems |
| 04/14/2011 | US20110085671 Apparatus and Method for Encoding a Multi-Channel Audio Signal |
| 04/14/2011 | US20110085670 Time slot position coding of multiple frame types |
| 04/14/2011 | CA2777073A1 Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping |
| 04/14/2011 | CA2775387A1 Frequency band extending device and method, encoding device and method, decoding device and method, and program |
| 04/13/2011 | EP2309777A1 A hearing aid with means for decorrelating input and output signals |
| 04/13/2011 | EP2309498A1 A communication device with reduced noise speech coding |
| 04/13/2011 | EP2309497A2 Digital audio signal processing system |
| 04/13/2011 | EP2309496A2 Adaptive audio encoder and decoder |
| 04/13/2011 | EP2309495A2 Apparatus and method for adaptive audio coding |
| 04/13/2011 | EP2309494A2 Voice quality determination |
| 04/13/2011 | EP2309493A1 Coding and decoding of source signals using constrained relative entropy quantization |
| 04/13/2011 | EP2308045A1 Compression of audio scale-factors by two-dimensional transformation |
| 04/13/2011 | EP2308043A1 Coding of transitional speech frames for low-bit-rate applications |
| 04/13/2011 | EP1554718B1 Methods for interoperation between adaptive multi-rate wideband (amr-wb) and multi-mode variable bit-rate wideband (wmr-wb) speech codecs |
| 04/13/2011 | CN1905009B Decoding apparatus |
| 04/13/2011 | CN102016985A Mixing of input data streams and generation of an output data stream therefrom |
| 04/13/2011 | CN102016984A System and method for dynamic sound delivery |
| 04/13/2011 | CN102016983A Apparatus for mixing a plurality of input data streams |
| 04/13/2011 | CN102016982A Connection apparatus, remote communication system, and connection method |
| 04/13/2011 | CN102016981A A method and an apparatus for processing an audio signal |
| 04/13/2011 | CN102014126A Voice experience quality evaluation platform based on QoS (quality of service) and evaluation method |
| 04/13/2011 | CN102013256A Audio encoding and decoding |
| 04/13/2011 | CN102013255A Method for decoding an audio signal that has a base layer and an enhancement layer |
| 04/13/2011 | CN102013253A Speech recognition method based on speed difference of voice unit and system thereof |
| 04/13/2011 | CN101488870B Method, system and equipment for implementing sound mixing |
| 04/13/2011 | CN101339765B National language single tone recognizing method |
| 04/13/2011 | CN101336454B Compressed encoded data reproducing apparatus and method for decoding and reproducing compressed encoded data in such apparatus |
| 04/13/2011 | CN101256774B Frame erase concealing method and system for embedded type speech encoding |
| 04/13/2011 | CN101226744B Method and device for implementing voice decode in voice decoder |
| 04/13/2011 | CN101192407B Regeneration method and apparatus, program and recording medium |
| 04/13/2011 | CN101136201B System and method for perform replacement to considered loss part of audio signal |
| 04/12/2011 | US7925501 Speech coder using an orthogonal search and an orthogonal search method |
| 04/12/2011 | US7924834 Multiplexing apparatus, multiplexing method, program, and recording medium |
| 04/12/2011 | US7924824 Voice packet communications system with communications quality evaluation function |
| 04/12/2011 | CA2445480C Improving transient performance of low bit rate audio coding systems by reducing pre-noise |
| 04/07/2011 | WO2011041242A1 Encoding parameters with unit sum |
| 04/07/2011 | WO2011039919A1 Audio decoder, audio encoder, and system |
| 04/07/2011 | WO2011039668A1 Apparatus for mixing a digital audio |
| 04/07/2011 | WO2011039195A1 Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value |
| 04/07/2011 | US20110082700 Signal coding and decoding |
| 04/07/2011 | US20110082699 Signal coding and decoding |
| 04/07/2011 | US20110082693 Systems, methods, and apparatus for frame erasure recovery |
| 04/07/2011 | US20110082691 Broadcasting system interworking with electronic devices |
| 04/07/2011 | US20110082690 Sound monitoring system and speech collection system |
| 04/07/2011 | US20110082689 VAMOS - DARP receiver switching for mobile receivers |
| 04/07/2011 | US20110081027 Audio repair methods and apparatus |
| 04/07/2011 | CA2775828A1 Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value |
| 04/06/2011 | EP2306456A1 Method for decoding an audio signal that has a base layer and an enhancement layer |
| 04/06/2011 | EP2306455A1 Time warped modified transform coding of audio signals |
| 04/06/2011 | EP2306454A1 Method for decoding an audio signal that has a base layer and an enhancement layer |
| 04/06/2011 | EP2306453A1 Audio signal compression device, audio signal compression method, audio signal demodulation device, and audio signal demodulation method |
| 04/06/2011 | EP2306452A1 Sound coding device, sound decoding device, sound coding/decoding device, and conference system |
| 04/06/2011 | EP2304723A1 An apparatus and a method for decoding an encoded audio signal |
| 04/06/2011 | EP2304722A1 Method and apparatus for fast nearestneighbor search for vector quantizers |
| 04/06/2011 | EP2304721A1 Spatial synthesis of multichannel audio signals |
| 04/06/2011 | EP2304720A1 Noise filler, noise filling parameter calculator, method for providing a noise filling parameter, method for providing a noise-filled spectral representation of an audio signal, corresponding computer program and encoded audio signal |
| 04/06/2011 | EP2304719A1 Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
| 04/06/2011 | CN1954365B Audio encoding with different coding models |
| 04/06/2011 | CN102007741A Synchronizing timing mismatch by data insertion |
| 04/06/2011 | CN102007740A Synchronizing timing mismatch by data insertion |
| 04/06/2011 | CN102007721A Channel decoding-based error detection |
| 04/06/2011 | CN102007720A Data substitution scheme for oversampled data |
| 04/06/2011 | CN102007537A Time warp contour calculator, audio signal encoder, encoded audio signal representation, methods and computer program |
| 04/06/2011 | CN102007536A Audio signal decoder, time warp contour data provider, method and computer program |
| 04/06/2011 | CN102007534A Method and apparatus for processing an audio signal |
| 04/06/2011 | CN102007533A A method and an apparatus for processing an audio signal |
| 04/06/2011 | CN102007532A A method and an apparatus for processing an audio signal |
| 04/06/2011 | CN102007531A Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
| 04/06/2011 | CN102007530A Embedder for embedding watermark into information representation, detector for detecting watermark in information representation, method and computer program and information signal |
| 04/06/2011 | CN102005206A Audio mixing method of multiple-channel audio frequency |
| 04/06/2011 | CN101604525B Pitch gain obtaining method, pitch gain obtaining device, coder and decoder |
| 04/06/2011 | CN101345823B Information device and portable information apparatus |
| 04/06/2011 | CN101295507B Superframe acoustic channel parameter multilevel vector quantization method with interstage estimation |
| 04/06/2011 | CN101282541B 通信系统 Communications systems |
| 04/06/2011 | CN101061534B Audio signal encoding apparatus and method |
| 04/06/2011 | CN101004915B Protection method for anti channel error code of voice coder in 2.4kb/s SELP low speed |
| 04/05/2011 | US7921009 Method and device for updating status of synthesis filters |
| 04/05/2011 | US7921007 Scalable audio coding |
| 04/05/2011 | CA2563481C Audio management in a dual processor environment |
| 03/31/2011 | WO2011035813A1 Audio coding |
| 03/31/2011 | WO2011002185A3 Apparatus for encoding and decoding an audio signal using a weighted linear predictive transform, and method for same |
| 03/31/2011 | US20110077945 Flexible parameter update in audio/speech coded signals |
| 03/31/2011 | US20110077940 Speech encoding |
| 03/31/2011 | US20110077938 Data reproduction method and data reproduction apparatus |