| 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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| 09/10/2009 | US20090228289 Audio signal processing apparatus |
| 09/10/2009 | US20090228288 Audio signal processing apparatus |
| 09/10/2009 | US20090228287 Audio signal processing apparatus |
| 09/10/2009 | US20090228286 Audio signal processing apparatus |
| 09/10/2009 | US20090228284 Method and apparatus for encoding/decoding multi-channel audio signal by using a plurality of variable length code tables |
| 09/10/2009 | US20090228268 System, method, and program product for processing voice data in a conversation between two persons |
| 09/10/2009 | US20090228267 Fixed codebook searching apparatus and fixed codebook searching method |
| 09/10/2009 | US20090228266 Fixed codebook searching apparatus and fixed codebook searching method |
| 09/10/2009 | US20090228127 Method and device to process digital media streams |
| 09/10/2009 | US20090226010 Mixing of Input Data Streams and Generation of an Output Data Stream Thereform |
| 09/10/2009 | US20090225991 Method and Apparatus for Decoding an Audio Signal |
| 09/09/2009 | EP2099028A1 Smoothing discontinuities between speech frames |
| 09/09/2009 | EP2099027A1 Method and apparatus for transforming between different filter bank domains |
| 09/09/2009 | EP2099026A1 Post filter and filtering method |
| 09/09/2009 | EP2099025A1 Audio encoding device and audio encoding method |
| 09/09/2009 | EP2097896A2 System and method for canceling acoustic echoes in audio-conference communication systems |
| 09/09/2009 | EP2097895A1 Apparatus and method for coding and decoding multi-object audio signal with various channel including information bitstream conversion |
| 09/09/2009 | EP2097720A2 Digital scaling |
| 09/09/2009 | EP1987513B1 Method and device for the hierarchical coding of a source audio signal and corresponding decoding method and device, programs and signal |
| 09/09/2009 | EP1946062A4 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
| 09/09/2009 | EP1783745B1 Multichannel signal decoding |
| 09/09/2009 | EP1692689B1 Optimized multiple coding method |
| 09/09/2009 | EP1403851B1 Concatenation of voice signals |
| 09/09/2009 | CN101529504A Apparatus and method for multi-channel parameter transformation |
| 09/09/2009 | CN101529503A Coding of an information signal |
| 09/09/2009 | CN101529502A Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system |
| 09/09/2009 | CN101529501A Enhanced coding and parameter representation of multichannel downmixed object coding |
| 09/09/2009 | CN101527140A Method for computing quantitative mean logarithmic frame energy in AMR of the third generation mobile communication system |
| 09/09/2009 | CN101527139A Audio encoding and decoding method and device thereof |
| 09/09/2009 | CN101527138A Coding method and decoding method for ultra wide band expansion, coder and decoder as well as system for ultra wide band expansion |
| 09/09/2009 | CN100539742C Encoding and decoding method and apparatus for multitrack audio signal |
| 09/09/2009 | CN100539488C Method of adjusting the mode of the adaptive multi-rate speech coding |
| 09/09/2009 | CN100538822C Voice code processing system and its voice code resource distributing method |
| 09/09/2009 | CN100538821C Coding decoding method of fast audio-variable signal |
| 09/09/2009 | CN100538820C Method and apparatus for processing audio frequency data |
| 09/09/2009 | CN100538698C Apparatus and method for reproducing summary |
| 09/08/2009 | US7587316 Noise canceller |
| 09/08/2009 | US7587315 Concealment of frame erasures and method |
| 09/08/2009 | US7587314 Single-codebook vector quantization for multiple-rate applications |
| 09/08/2009 | US7587313 Audio coding |
| 09/08/2009 | US7587312 Method and apparatus for pitch modulation and gender identification of a voice signal |
| 09/08/2009 | US7587311 Device and method for embedding binary payload in a carrier signal |
| 09/08/2009 | US7587254 Dynamic range control and equalization of digital audio using warped processing |
| 09/08/2009 | US7586937 Receiving device and method |
| 09/08/2009 | CA2334906C Method for executing automatic evaluation of transmission quality of audio signals |
| 09/03/2009 | WO2009107879A1 Signal processing system having singular point and information storage medium |
| 09/03/2009 | WO2009107054A1 Method of embedding data in stereo image |
| 09/03/2009 | WO2009088258A3 Method and apparatus for identifying frame type |
| 09/03/2009 | US20090222273 Coding/Decoding of a Digital Audio Signal, in Celp Technique |
| 09/03/2009 | US20090222261 Apparatus and Method for Encoding and Decoding Signal |
| 09/03/2009 | US20090222258 Voice activity detection system, method, and program product |
| 09/03/2009 | US20090222120 Handheld electronic pen with recording and playback modes |
| 09/03/2009 | US20090222118 Method and an apparatus for processing an audio signal |
| 09/03/2009 | US20090220095 Method and an apparatus for processing an audio signal |
| 09/03/2009 | US20090220094 Processing circuit capable of modifying digital audio signals |
| 09/03/2009 | DE19639000B4 Toncodier- und Tondecodiervorrichtung Toncodier- and Tondecodiervorrichtung |
| 09/03/2009 | DE102008062520A1 Sprachdatensignalaufzeichnung und-wiedergewinnung Voice data signal recording and salvage |
| 09/02/2009 | EP2096632A1 Decoding apparatus and audio decoding method |
| 09/02/2009 | EP2096631A1 Audio decoding device and power adjusting method |
| 09/02/2009 | EP2096629A1 A classing method and device for sound signal |
| 09/02/2009 | EP2095560A2 Methods and apparatus for embedding codes in compressed audio data streams |
| 09/02/2009 | EP2095513A2 System and method for digital signal processing |
| 09/02/2009 | EP2095364A1 Method for encoding and decoding object-based audio signal and apparatus thereof |
| 09/02/2009 | EP2002426B1 Audio signal loudness measurement and modification in the mdct domain |
| 09/02/2009 | EP1697928B1 Audio encoding |
| 09/02/2009 | EP1690253B1 A highly optimized nonlinear least squares method for sinusoidal sound modelling |
| 09/02/2009 | CN101523486A Method and apparatus for encoding and decoding audio signals |
| 09/02/2009 | CN101523485A Audio encoding device5 audio decoding device, audio encoding method, audio decoding method, and information recording |
| 09/02/2009 | CN101523484A Systems, methods and apparatus for frame erasure recovery |
| 09/02/2009 | CN101521014A Audio bandwidth expansion coding and decoding devices |
| 09/02/2009 | CN101521013A Spatial audio parameter bidirectional interframe predictive coding and decoding devices |
| 09/02/2009 | CN101521012A Method and device for MDCT domain signal energy and phase compensation |
| 09/02/2009 | CN101521011A Method for watermarking robust audios with invariable time scale based on zero-crossing rate |
| 09/02/2009 | CN101521010A Coding and decoding method for voice frequency signals and coding and decoding device |
| 09/01/2009 | US7584100 Method and system for clustering using generalized sentence patterns |
| 09/01/2009 | US7584096 Method and apparatus for encoding speech |
| 09/01/2009 | US7584095 REW parametric vector quantization and dual-predictive SEW vector quantization for waveform interpolative coding |
| 09/01/2009 | US7584008 Digital signal processing method, learning method, apparatuses for them, and program storage medium |
| 09/01/2009 | US7583805 Late reverberation-based synthesis of auditory scenes |
| 09/01/2009 | US7583804 Music information encoding/decoding device and method |
| 08/27/2009 | WO2009105536A1 Apparatus, and associated method, for selecting speech coder operational rates |
| 08/27/2009 | WO2009104710A1 Data conversion device, program and method |
| 08/27/2009 | WO2009104402A1 Music playback device, music playback method, music playback program, and integrated circuit |
| 08/27/2009 | WO2009103610A1 Method and means for encoding background noise information |
| 08/27/2009 | WO2009103609A1 Method and means for decoding background noise information |
| 08/27/2009 | WO2009103608A1 Method and means for encoding background noise information |
| 08/27/2009 | WO2009088257A3 Method and apparatus for identifying frame type |
| 08/27/2009 | US20090216544 Audio signal encoding or decoding |
| 08/27/2009 | US20090216543 Method and apparatus for encoding and decoding an audio signal |
| 08/27/2009 | US20090216542 Method and apparatus for encoding and decoding an audio signal |
| 08/27/2009 | US20090216527 Post filter, decoder, and post filtering method |
| 08/27/2009 | US20090216355 Audio recording and playback system |
| 08/27/2009 | US20090214190 Method and apparatus for generating information signal to be recorded |
| 08/27/2009 | US20090214189 Method and apparatus for generating information signal to be recorded |
| 08/27/2009 | US20090214188 Method and apparatus for generating information signal to be recorded |
| 08/27/2009 | US20090214187 Method and apparatus for generating information signal to be recorded |
| 08/27/2009 | US20090214186 Method and apparatus for generating information signal to be recorded |
| 08/27/2009 | US20090214185 Method and apparatus for generating information signal to be recorded |
| 08/27/2009 | US20090214184 Method and apparatus for generating information signal to be recorded |
| 08/27/2009 | US20090214183 Method and apparatus for generating information signal to be recorded |