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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01/14/2010 | WO2010003565A1 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 |
01/14/2010 | WO2010003564A1 Low bitrate audio encoding/decoding scheme having cascaded switches |
01/14/2010 | WO2010003563A1 Audio encoder and decoder for encoding and decoding audio samples |
01/14/2010 | WO2010003556A1 Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
01/14/2010 | WO2010003546A2 An apparatus and a method for calculating a number of spectral envelopes |
01/14/2010 | WO2010003545A1 An apparatus and a method for decoding an encoded audio signal |
01/14/2010 | WO2010003532A1 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
01/14/2010 | WO2010003521A1 Method and discriminator for classifying different segments of a signal |
01/14/2010 | WO2010003491A1 Audio encoder and decoder for encoding and decoding frames of sampled audio signal |
01/14/2010 | WO2010003479A1 Audio encoder and audio decoder |
01/14/2010 | WO2010003254A1 Multi-reference lpc filter quantization and inverse quantization device and method |
01/14/2010 | WO2010003253A1 Variable bit rate lpc filter quantizing and inverse quantizing device and method |
01/14/2010 | WO2010003252A1 Device and method for quantizing and inverse quantizing lpc filters in a super-frame |
01/14/2010 | WO2009144564A3 Audio signal transient detection |
01/14/2010 | WO2009143505A3 Method of asynchronous image and audio |
01/14/2010 | WO2009128663A3 A method and an apparatus for processing an audio signal |
01/14/2010 | WO2009100021A9 Bilinear algorithms and vlsi implementations of forward and inverse mdct with applications to mp3 audio |
01/14/2010 | US20100010821 Method and an Apparatus for Decoding an Audio Signal |
01/14/2010 | US20100010820 Method and an Apparatus for Decoding an Audio Signal |
01/14/2010 | US20100010819 Method and an Apparatus for Decoding an Audio Signal |
01/14/2010 | US20100010818 Method and an Apparatus for Decoding an Audio Signal |
01/14/2010 | US20100010812 Speech codecs |
01/14/2010 | US20100010811 Stereo audio encoding device, stereo audio decoding device, and method thereof |
01/14/2010 | US20100010810 Post filter and filtering method |
01/14/2010 | US20100010807 Method and apparatus to encode and decode an audio/speech signal |
01/14/2010 | US20100009722 Connected Audio and Other Media Objects |
01/14/2010 | US20100008537 Embedding Hidden Auxiliary Information in Media |
01/14/2010 | US20100008534 Methods for Managing Content Using Intentional Degradation and Insertion of Steganographic Codes |
01/14/2010 | CA2836871A1 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs |
01/14/2010 | CA2836863A1 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs |
01/14/2010 | CA2836862A1 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs |
01/14/2010 | CA2836858A1 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs |
01/14/2010 | CA2730237A1 Low bitrate audio encoding/decoding scheme with common pre-processing |
01/14/2010 | CA2730195A1 Audio encoder and decoder for encoding and decoding frames of a sampled audio signal |
01/14/2010 | CA2729878A1 Low bitrate audio encoding/decoding scheme having cascaded switches |
01/14/2010 | CA2729752A1 Multi-reference lpc filter quantization and inverse quantization device and method |
01/14/2010 | CA2729751A1 Device and method for quantizing and inverse quantizing lpc filters in a super-frame |
01/14/2010 | CA2729665A1 Variable bit rate lpc filter quantizing and inverse quantizing device and method |
01/13/2010 | EP2144231A1 Low bitrate audio encoding/decoding scheme with common preprocessing |
01/13/2010 | EP2144230A1 Low bitrate audio encoding/decoding scheme having cascaded switches |
01/13/2010 | EP2144229A1 Efficient use of phase information in audio encoding and decoding |
01/13/2010 | EP2144228A1 Method and device for low-delay joint-stereo coding |
01/13/2010 | EP2144171A1 Audio encoder and decoder for encoding and decoding frames of a sampled audio signal |
01/13/2010 | EP2143104A2 Method and system for speech quality prediction of the impact of time localized distortions of an audio trasmission system |
01/13/2010 | EP2143103A1 Method and speech encoder with length adjustment of dtx hangover period |
01/13/2010 | EP2143102A1 Audio encoding and decoding method and associated audio encoder, audio decoder and computer programs |
01/13/2010 | EP2143101A1 Apparatus and method for coding and decoding multi object audio signal with multi channel |
01/13/2010 | EP1920635B1 Apparatus and method for decoding an audio signal |
01/13/2010 | EP1683305B1 Adapting playout buffer based on audio burst length |
01/13/2010 | EP1599992B1 Audibility enhancement |
01/13/2010 | CN101627426A Method and arrangement for controlling smoothing of stationary background noise |
01/13/2010 | CN101627425A A method and an apparatus for processing an audio signal |
01/13/2010 | CN101627424A Digital audio mixing |
01/13/2010 | CN101627423A Synthesis of lost blocks of a digital audio signal, with pitch period correction |
01/13/2010 | CN101627422A Research data gathering |
01/13/2010 | CN101625866A Methods and an apparatus for enhancement of source decoder |
01/13/2010 | CN101625865A Method, device and system for testing DRA consistency |
01/13/2010 | CN100581267C Multiplexing apparatus and multiplexing method |
01/13/2010 | CN100580797C Audio playback apparatus |
01/13/2010 | CN100580773C Sound packet transmitting method and sound packet transmitting apparatus |
01/13/2010 | CN100580772C Method and apparatus for coding informational signal |
01/13/2010 | CN100580771C Method for training of subspace coded gaussian models |
01/12/2010 | US7647226 Apparatus and method for creating pitch wave signals, apparatus and method for compressing, expanding, and synthesizing speech signals using these pitch wave signals and text-to-speech conversion using unit pitch wave signals |
01/12/2010 | US7647224 Apparatus, method, and computer program product for speech recognition |
01/12/2010 | US7647223 Robust composite quantization with sub-quantizers and inverse sub-quantizers using illegal space |
01/12/2010 | US7647222 Apparatus and methods for encoding digital audio data with a reduced bit rate |
01/12/2010 | US7647221 Audio level control for compressed audio |
01/12/2010 | US7647067 Information processing apparatus and a cellular phone |
01/12/2010 | US7646875 Stereo coding and decoding methods and apparatus thereof |
01/12/2010 | CA2349944C Speech coding with comfort noise variability feature for increased fidelity |
01/07/2010 | WO2010002133A2 Apparatus and method for generating rhythm data for unspecified sound sources used in rhythm action game |
01/07/2010 | WO2010001020A2 Improved coding/decoding by bit planes |
01/07/2010 | WO2010000313A1 Apparatus and method for adjusting spatial cue information of a multichannel audio signal |
01/07/2010 | WO2010000305A1 An apparatus |
01/07/2010 | WO2010000304A1 Entropy - coded lattice vector quantization |
01/07/2010 | WO2010000303A1 Speech decoder with error concealment |
01/07/2010 | WO2010000179A1 A frequency band expanding method, system and apparatus |
01/07/2010 | WO2010000161A1 Voice conversation method and apparatus based on instant communication system |
01/07/2010 | WO2009128664A3 A method and an apparatus for processing an audio signal |
01/07/2010 | US20100004926 Apparatus and method for classification and segmentation of audio content, based on the audio signal |
01/07/2010 | US20100002888 Method and device for low-delay joint-stereo coding |
01/06/2010 | EP2141960A2 Apparatus and method for tandem-free vocoder operation between non-compatible communication systems by extracting inter- or intrasystem TFO-information |
01/06/2010 | EP2141694A1 Music playback device, music playback method, music playback program, and integrated circuit |
01/06/2010 | EP2141693A1 Voice coder and decoder |
01/06/2010 | EP2140450A1 A method and an apparatus for processing an audio signal |
01/06/2010 | CN101622668A Methods and arrangements in a telecommunications network |
01/06/2010 | CN101622667A Postfilter for layered codecs |
01/06/2010 | CN101622666A Non-causal postfilter |
01/06/2010 | CN101622665A Encoding device and encoding method |
01/06/2010 | CN101622664A Adaptive sound source vector quantization device and adaptive sound source vector quantization method |
01/06/2010 | CN101622663A Encoding device and encoding method |
01/06/2010 | CN101622662A Encoding device and encoding method |
01/06/2010 | CN101622661A Advanced encoding / decoding of audio digital signals |
01/06/2010 | CN101620854A Method, system and device for frequency band expansion |
01/06/2010 | CN100579298C Mixer apparatus and method for changing parameter settings in the mixer apparatus |
01/06/2010 | CN100579236C Audio coding/decoding method and device |
01/06/2010 | CN100578621C Signal processing device and method |
01/06/2010 | CN100578620C Method for searching fixed code book and searcher |
01/06/2010 | CN100578619C Encoding method and encoder |
01/06/2010 | CN100578618C Decoding method and device |