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