| 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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| 01/12/2011 | EP2272226A1 Synchronizing timing mismatch by data insertion |
| 01/12/2011 | EP2272063A1 Method and apparatus for selective signal coding based on core encoder performance |
| 01/12/2011 | EP2272062A1 An audio signal classifier |
| 01/12/2011 | EP1780705B1 Multichannel signal decoding method, device, program, and its recording medium |
| 01/12/2011 | EP1764923B1 Multi-channel signal encoding method, decoding method, device thereof, program, and recording medium thereof |
| 01/12/2011 | CN1875401B Method and device for harmonic noise weighting in digital speech coders |
| 01/12/2011 | CN101946281A Method and means for decoding background noise information |
| 01/12/2011 | CN101946280A Apparatus and associated method for selecting speech coder operational rates |
| 01/12/2011 | CN101944363A Coded data stream control method of AMBE-2000 vocoder |
| 01/12/2011 | CN101944362A Integer wavelet transform-based audio lossless compression encoding and decoding method |
| 01/12/2011 | CN101944361A Bit distribution method and bit distribution device |
| 01/12/2011 | CN101944360A Method and terminal for convenient use |
| 01/12/2011 | CN101944358A Ant colony algorithm-based codebook classification method and codebook classification device thereof |
| 01/12/2011 | CN101630242B Contribution module for rapidly computing self-adaptive code book by G723.1 coder |
| 01/12/2011 | CN101615395B Methods, devices and systems for encoding and decoding signals |
| 01/12/2011 | CN101388215B Noise-shaping method and apparatus |
| 01/12/2011 | CN101246688B Method, system and device for coding and decoding ambient noise signal |
| 01/12/2011 | CN101232347B Method of speech transmission and AMR system |
| 01/11/2011 | US7869994 Transient noise removal system using wavelets |
| 01/11/2011 | US7869993 Method and a device for source coding |
| 01/11/2011 | US7869992 Method and apparatus for using a waveform segment in place of a missing portion of an audio waveform |
| 01/11/2011 | CA2608652C Efficient in-band signaling for discontinuous transmission and configuration changes in adaptive multi-rate communications systems |
| 01/11/2011 | CA2371414C Decoding and encoding of information in audio signals |
| 01/06/2011 | WO2011003059A1 Method and apparatus for dynamically determining mix sets in an audio processor |
| 01/06/2011 | WO2011002185A2 Apparatus for encoding and decoding an audio signal using a weighted linear predictive transform, and method for same |
| 01/06/2011 | WO2011000780A1 Bandwidth extension encoder, bandwidth extension decoder and phase vocoder |
| 01/06/2011 | WO2011000434A1 An apparatus |
| 01/06/2011 | US20110004479 Harmonic transposition |
| 01/06/2011 | US20110004478 Method and apparatus for transforming between different filter bank domains |
| 01/06/2011 | US20110004471 Method and means for encoding background noise information |
| 01/06/2011 | US20110004469 Vector quantization device, vector inverse quantization device, and method thereof |
| 01/06/2011 | US20110004466 Stereo signal encoding device, stereo signal decoding device and methods for them |
| 01/06/2011 | US20110002503 Identification Documents and Authentication of Such Documents |
| 01/06/2011 | US20110002470 Method for Representing Multi-Channel Audio Signals |
| 01/06/2011 | US20110002393 Audio encoding device, audio encoding method, and video transmission device |
| 01/06/2011 | US20110002266 System and Method for Frequency Domain Audio Post-processing Based on Perceptual Masking |
| 01/06/2011 | US20110002225 Signal analysis/control system and method, signal control apparatus and method, and program |
| 01/06/2011 | CA2856587A1 Bandwidth extension encoder, bandwidth extension decoder and phase vocoder |
| 01/06/2011 | CA2766573A1 Bandwidth extension encoder, bandwidth extension decoder and phase vocoder |
| 01/05/2011 | EP2270777A2 Mixed lossless audio compression |
| 01/05/2011 | EP2270776A1 Method and device for frame loss concealment |
| 01/05/2011 | EP2270775A2 Lossless multi-channel audio codec |
| 01/05/2011 | EP2270774A2 Lossless multi-channel audio codec |
| 01/05/2011 | EP2269337A1 Channel decoding-based error detection |
| 01/05/2011 | EP2269336A1 Data substitution scheme for oversampled data |
| 01/05/2011 | EP2269188A1 Multimode coding of speech-like and non-speech-like signals |
| 01/05/2011 | EP2269183A1 Device and method for vocal reproduction with controlled multi-sensorial perception |
| 01/05/2011 | CN1918633B Improved coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients |
| 01/05/2011 | CN1867967B Rate-distortion control scheme in audio encoding |
| 01/05/2011 | CN101939782A Adaptive transition frequency between noise fill and bandwidth extension |
| 01/05/2011 | CN101939781A Audio encoder and decoder |
| 01/05/2011 | CN101938582A Digital audio monitor, monitoring method and monitoring system |
| 01/05/2011 | CN101937680A Vector quantization method for sorting and rearranging code book and vector quantizer thereof |
| 01/05/2011 | CN101937679A Error concealment method for audio data frame, and audio decoding end |
| 01/05/2011 | CN101221766B Method for switching audio encoder |
| 01/05/2011 | CN101211562B Digital music works damage-free digital watermarking embedding and extraction method |
| 01/05/2011 | CN101167127B Method and system for operating audio encoders in parallel |
| 01/04/2011 | US7865370 Content filtering for a digital audio signal |
| 01/04/2011 | US7865369 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
| 01/04/2011 | US7865361 Voice quality analysis technique |
| 01/04/2011 | US7864966 Multichannel spectral mapping audio apparatus and method |
| 01/04/2011 | US7864965 Multichannel spectral mapping audio apparatus and method |
| 01/04/2011 | US7864964 Multichannel spectral mapping audio apparatus and method |
| 01/04/2011 | US7864843 Method and apparatus to encode and/or decode signal using bandwidth extension technology |
| 01/04/2011 | CA2555182C Synthesizing a mono audio signal based on an encoded multichannel audio signal |
| 12/30/2010 | US20100332239 Apparatus and method of encoding audio data and apparatus and method of decoding encoded audio data |
| 12/30/2010 | US20100332238 Method and System for Lossless Value-Location Encoding |
| 12/30/2010 | US20100332232 Method and device for updating status of synthesis filters |
| 12/30/2010 | US20100332223 Audio decoding device and power adjusting method |
| 12/30/2010 | US20100332221 Encoding device, decoding device, and method thereof |
| 12/30/2010 | US20100332220 Conversation Recording with Real-Time Notification for Users of Communication Terminals |
| 12/29/2010 | WO2010150767A1 Coding method, decoding method, and device and program using the methods |
| 12/29/2010 | WO2010150635A1 Acoustic signal processing system, acoustic signal decoding device, and processing method and program therein |
| 12/29/2010 | WO2010149700A1 Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages |
| 12/29/2010 | WO2010148703A1 Apparatus and method for accomplishing reconfigurable audio coding decoding algorithm in mobile terminal |
| 12/29/2010 | WO2010148516A1 Forward time-domain aliasing cancellation with application in weighted or original signal domain |
| 12/29/2010 | WO2010107269A3 Apparatus and method for encoding/decoding a multichannel signal |
| 12/29/2010 | EP2267701A1 Signal processing system having singular point and information storage medium |
| 12/29/2010 | EP2267700A1 Apparatus and method for selecting quantisation bands in audio encoders |
| 12/29/2010 | EP2267699A1 Encoding device and encoding method |
| 12/29/2010 | EP2267698A1 Entropy coding by adapting coding between level and run-length/level modes. |
| 12/29/2010 | EP2267697A2 Information processing system, method of processing information, and program for processing information |
| 12/29/2010 | EP2266231A1 Coversational interactivity measurement and estimation for real-time media |
| 12/29/2010 | EP2266114A1 Embedder and detector of a watermark comprising additional information |
| 12/29/2010 | EP2162882B1 Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components |
| 12/29/2010 | EP1338002B1 Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals |
| 12/29/2010 | CN201689673U Audio encoding and decoding processor |
| 12/29/2010 | CN1969317B Multi-parameter based multi-channel reconstruction |
| 12/29/2010 | CN1890714B Optimized multiple coding method |
| 12/29/2010 | CN101933344A Method and apparatus for generating a binaural audio signal |
| 12/29/2010 | CN101933306A Method and apparatus for detecting and suppressing echo in packet networks |
| 12/29/2010 | CN101933086A A method and an apparatus for processing an audio signal |
| 12/29/2010 | CN101933085A Objective measurement of audio quality |
| 12/29/2010 | CN101931414A Pulse coding method and device, and pulse decoding method and device |
| 12/29/2010 | CN101930747A Method and device for converting voice into mouth shape image |
| 12/29/2010 | CN101930744A Handshake protocol method for AAC audio coding |
| 12/29/2010 | CN101930743A Time-frequency masking information hiding method for fractional Fourier transform |
| 12/29/2010 | CN101930742A System and method of encoding/decoding multi-channel audio signals |
| 12/29/2010 | CN101930741A System, and method of encoding/decoding multi-channel audio signals |
| 12/29/2010 | CN101930740A Multichannel audio signal decoding using de-correlated signals |