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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03/20/2007 | US7194068 Autonomous voice responder unit |
03/20/2007 | US7193538 Matrix improvements to lossless encoding and decoding |
03/15/2007 | WO2007030326A2 Adaptive voice detection method and system |
03/15/2007 | WO2007030215A1 Content-based audio comparisons |
03/15/2007 | WO2007030041A1 Method and apapratus for sending control information in a communications network |
03/15/2007 | WO2007029796A1 Band extending device, band extending method, band extending program |
03/15/2007 | WO2007029412A1 Multi-channel acoustic signal processing device |
03/15/2007 | WO2007029304A1 Audio encoding device and audio encoding method |
03/15/2007 | WO2007028280A1 Encoder and decoder for pre-echo control and method thereof |
03/15/2007 | WO2007008011A3 Apparatus and method of processing an audio signal |
03/15/2007 | WO2007008011A2 Apparatus and method of processing an audio signal |
03/15/2007 | WO2007008008A3 Apparatus and method of processing an audio signal |
03/15/2007 | WO2007008004A3 Apparatus and method of encoding and decoding audio signal |
03/15/2007 | WO2007008004A2 Apparatus and method of encoding and decoding audio signal |
03/15/2007 | WO2007008003A3 Apparatus and method of encoding and decoding audio signal |
03/15/2007 | WO2007008002A3 Apparatus and method of encoding and decoding audio signal |
03/15/2007 | WO2007004829A3 Apparatus for encoding and decoding audio signal and method thereof |
03/15/2007 | WO2006126115A3 Predictive encoding of a multi channel signal |
03/15/2007 | WO2006060280A8 Parametric coding of spatial audio with cues based on transmitted channels |
03/15/2007 | WO2006008697A8 Audio channel conversion |
03/15/2007 | US20070061580 A License-Based Cryptographic Technique, Particularly Suited For Use In A Digital Rights Management System, For Controlling Access And Use Of Bore Resistant Software Objects In A Client Computer |
03/15/2007 | US20070061577 Signal encoding |
03/15/2007 | US20070061138 Quality and rate control strategy for digital audio |
03/15/2007 | US20070061137 Method for recovering frame erasure at voice over internet protocol (VoIP) environment |
03/15/2007 | US20070061136 Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard |
03/15/2007 | US20070061135 Optimized windows and interpolation factors, and methods for optimizing windows, interpolation factors and linear prediction analysis in the ITU-T G.729 speech coding standard |
03/15/2007 | US20070061134 Multi-pass echo residue detection with speech application intelligence |
03/15/2007 | US20070058579 Method for processing calls from multiple communication networks and equipment thereof |
03/15/2007 | DE69932861T2 Verfahren zur kodierung eines audiosignals mit einem qualitätswert für bit-zuordnung A method for encoding an audio signal with a quality value for bit allocation |
03/15/2007 | DE102006041509A1 Voice conversion method for e.g. text-to-speech system, involves transferring set of prediction-live prediction code-coefficients for voice conversion with manipulated stimulation signals of speech synthesis filter during voice synthesis |
03/14/2007 | EP1763276A2 Method for processing calls from multiple communication networks and equipment thereof |
03/14/2007 | EP1763175A1 Stream data reception/reproduction device and stream data reception/reproduction method |
03/14/2007 | EP1763020A2 Variable rate vocoder |
03/14/2007 | EP1763019A1 Orthogonalization search for the CELP based speech coding |
03/14/2007 | EP1763017A1 Sound encoder and sound encoding method |
03/14/2007 | EP1761917A1 Method of audio encoding |
03/14/2007 | EP1761916A1 Audio encoding and decoding |
03/14/2007 | EP1761915A1 Method and apparatus to encode and decode multi-channel audio signals |
03/14/2007 | EP1570462B1 Method for coding and decoding the wideness of a sound source in an audio scene |
03/14/2007 | EP1105871B1 Speech encoder and method for a speech encoder |
03/14/2007 | CN1930609A Method of inserting digital watermarks in one-bit audio files |
03/14/2007 | CN1930608A Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation |
03/14/2007 | CN1930607A Error conceal device and error conceal method |
03/14/2007 | CN1929447A Method and device for searching address prefixion and message transfer method and system |
03/14/2007 | CN1928991A Synchronous attack resistant audio frequency watermark handling method |
03/14/2007 | CN1305290C Network telephone set and voice decoder |
03/14/2007 | CN1305024C Predictive coding/decoding device and method thereof |
03/14/2007 | CN1304977C Data providing system, device, and method |
03/13/2007 | US7191136 Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband |
03/13/2007 | US7191128 Method and system for distinguishing speech from music in a digital audio signal in real time |
03/13/2007 | US7191126 Sound encoder and sound decoder performing multiplexing and demultiplexing on main codes in an order determined by auxiliary codes |
03/13/2007 | US7191125 Method and apparatus for high performance low bit-rate coding of unvoiced speech |
03/13/2007 | US7191124 Voice input and output apparatus with balancing among sound pressures at control points in a sound field |
03/13/2007 | US7191123 Gain-smoothing in wideband speech and audio signal decoder |
03/13/2007 | US7191122 Speech compression system and method |
03/13/2007 | US7191121 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
03/13/2007 | US7191120 Speech encoding method, apparatus and program |
03/13/2007 | US7191105 Characterizing, synthesizing, and/or canceling out acoustic signals from sound sources |
03/13/2007 | US7190693 Method, system and apparatuses for transferring audio and/or video signals between synchronous and asynchronous network and for minimizing delay time in such networks |
03/08/2007 | WO2007027291A1 Method and apparatus for comfort noise generation in speech communication systems |
03/08/2007 | WO2007027057A1 A method for decoding an audio signal |
03/08/2007 | WO2007027056A1 A method for decoding an audio signal |
03/08/2007 | WO2007027055A1 A method for decoding an audio signal |
03/08/2007 | WO2007027051A1 Apparatus for encoding and decoding audio signal and method thereof |
03/08/2007 | WO2007027050A1 Apparatus for encoding and decoding audio signal and method thereof |
03/08/2007 | WO2007027006A1 Method and apparatus to extract important spectral component from audio signal and low bit-rate audio signal coding and/or decoding method and apparatus using the same |
03/08/2007 | WO2007027005A1 Method and apparatus for searching fixed codebook |
03/08/2007 | WO2007026821A1 Energy shaping device and energy shaping method |
03/08/2007 | WO2007026763A1 Stereo encoding device, stereo decoding device, and stereo encoding method |
03/08/2007 | WO2007026295A2 Single-codebook vector quantization for multiple-rate applications |
03/08/2007 | WO2007025561A1 Processing encoded real-time data |
03/08/2007 | WO2007008012A3 Apparatus and method of processing an audio signal |
03/08/2007 | WO2007004828A3 Apparatus for encoding and decoding audio signal and method thereof |
03/08/2007 | WO2006136901A3 System and method for adaptive transmission of comfort noise parameters during discontinuous speech transmission |
03/08/2007 | WO2006126843A3 Method and apparatus for decoding audio signal |
03/08/2007 | WO2006084916A3 Parametric joint-coding of audio sources |
03/08/2007 | US20070055512 Compressed domain voice activity detector |
03/08/2007 | US20070055510 Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
03/08/2007 | US20070055509 Single-codebook vector quantization for multiple-rate applications |
03/08/2007 | US20070055504 Optimized windows and interpolation factors, and methods for optimizing windows, interpolation factors and linear prediction analysis in the ITU-T G.729 speech coding standard |
03/08/2007 | US20070055503 Optimized windows and interpolation factors, and methods for optimizing windows, interpolation factors and linear prediction analysis in the ITU-T G.729 speech coding standard |
03/08/2007 | US20070055502 Speech analyzing system with speech codebook |
03/08/2007 | US20070055501 Packet detection |
03/08/2007 | US20070055499 Adaptive voice detection method and system |
03/08/2007 | US20070055497 Audio signal processing apparatus, audio signal processing method, program, and input apparatus |
03/08/2007 | US20070053550 Reversible watermarking using expansion, rate control and iterative embedding |
03/08/2007 | US20070053549 Digital watermarking systems and methods |
03/08/2007 | US20070053548 Embedding hidden auxiliary code signals in media |
03/08/2007 | US20070053521 Audio signal processing apparatus |
03/08/2007 | US20070053517 Method and apparatus for the compression and decompression of image files using a chaotic system |
03/08/2007 | US20070052560 Bit-stream watermarking |
03/08/2007 | DE29825253U1 Sprachcodierer und Sprachdecodierer Speech and speech decoder |
03/07/2007 | EP1760695A2 Orthogonalization search for the CELP based speech coding |
03/07/2007 | EP1760694A2 Multistage vector quantization for speech encoding |
03/07/2007 | EP1636791B1 Apparatus and method for encoding an audio signal and apparatus and method for decoding an encoded audio signal |
03/07/2007 | EP1597721A4 600 bps mixed excitation linear prediction transcoding |
03/07/2007 | EP1522063B1 Sinusoidal audio coding |
03/07/2007 | CN1926824A Sound packet reproducing method, sound packet reproducing apparatus, sound packet reproducing program, and recording medium |
03/07/2007 | CN1926610A Synthesizing a mono audio signal based on an encoded multi-channel audio signal |
03/07/2007 | CN1926609A Adaptive hybrid transform for signal analysis and synthesis |