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

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)
11/2009
11/18/2009	CN101583995A Parameter decoding device, parameter encoding device, and parameter decoding method
11/18/2009	CN101583994A Method and apparatus to encode and/or decode audio and/or speech signal
11/18/2009	CN101582263A Method and device for noise enhancement post-processing in speech decoding
11/18/2009	CN101582262A Space audio parameter interframe prediction coding and decoding method
11/18/2009	CN101582261A Feature parameter vector grouping quantization method in speech recognition
11/18/2009	CN101582260A Non-amplitude modulation speech coding method and device in electrical cochlea
11/18/2009	CN101582259A Methods, devices and systems for coding and decoding dimensional sound signal
11/18/2009	CN100561576C Stereo based on quantized signal threshold and method and system for multi sound channel coding and decoding
11/17/2009	US7620554 Multichannel audio extension
11/17/2009	US7620545 Scale factor based bit shifting in fine granularity scalability audio coding
11/17/2009	US7620543 Method, medium, and apparatus for converting audio data
11/17/2009	US7620263 Anti-clipping method for image sharpness enhancement
11/17/2009	US7620253 Steganographic systems and methods
11/17/2009	US7620060 Method for automatically configuring terminal equipment
11/12/2009	WO2009136872A1 Method and device for encoding an audio signal, method and device for generating encoded audio data and method and device for determining a bit-rate of an encoded audio signal
11/12/2009	WO2009136786A1 A method of covertly transmitting information, a method of recapturing covertly transmitted information, a sonar transmitting unit, a sonar receiving unit and a computer program product for covertly transmitting information and a computer program product for recapturing covertly transmitted information
11/12/2009	WO2009135532A1 An apparatus
11/12/2009	WO2009093866A3 A method and an apparatus for processing an audio signal
11/12/2009	US20090282334 System and method for providing information using outside sound recognition of mobile phone, and mobile terminal for the same
11/12/2009	US20090281814 Method and an apparatus for decoding an audio signal
11/12/2009	US20090281812 Apparatus and Method for Encoding and Decoding Signal
11/12/2009	US20090281811 Transform coder and transform coding method
11/12/2009	US20090281803 Dispersion filtering for speech intelligibility enhancement
11/12/2009	US20090281801 Compression for speech intelligibility enhancement
11/12/2009	US20090281800 Spectral shaping for speech intelligibility enhancement
11/12/2009	US20090281799 Tandem-free vocoder operations between non-compatible communication systems
11/12/2009	US20090281798 Predictive encoding of a multi channel signal
11/12/2009	US20090281797 Bit error concealment for audio coding systems
11/12/2009	US20090281796 Enhanced conversion of wideband signals to narrowband signals
11/12/2009	US20090281795 Speech encoding apparatus, speech decoding apparatus, speech encoding method, and speech decoding method
11/12/2009	US20090281794 Method and system for ordering a gift with a personalized celebrity audible message
11/12/2009	US20090281647 Electronic Pen Configured For Audio Playback
11/12/2009	US20090281646 Imaging Encoded Medium And Recording Audio For Playback
11/12/2009	US20090280864 Control of a device
11/12/2009	US20090280793 Method Of Controlling A Communications Device
11/12/2009	US20090279598 Method, apparatus, and program for encoding digital signal, and method, apparatus, and program for decoding digital signal
11/12/2009	CA2721702A1 Apparatus and methods for audio encoding reproduction
11/11/2009	EP2117140A1 A method of covertly transmitting information, a method of recapturing covertly transmitted information, a sonar transmitting unit, a sonar receiving unit and a computer program product for covertly transmitting information and a computer program product for recapturing covertly transmitted information
11/11/2009	EP2116998A1 Post-filter, decoding device, and post-filter processing method
11/11/2009	EP2116997A1 Audio decoding device and audio decoding method
11/11/2009	EP2116996A1 Encoding device and encoding method
11/11/2009	EP2116995A1 Adaptive sound source vector quantization device and adaptive sound source vector quantization method
11/11/2009	EP2115742A1 Methods and arrangements in a telecommunications network
11/11/2009	EP2115741A1 Advanced encoding / decoding of audio digital signals
11/11/2009	EP2115740A1 Systems and methods for dimming a first packet associated with a first bit rate to a second packet associated with a second bit rate
11/11/2009	EP2115739A1 Methods and apparatuses for encoding and decoding object-based audio signals
11/11/2009	EP2115738A1 Audio encoding and decoding apparatus and method
11/11/2009	EP1924989B1 Blind watermarking of audio signals by using phase modifications
11/11/2009	EP1821287B1 Audio encoding device and audio encoding method
11/11/2009	CN101578658A 音频译码器 Audio decoder
11/11/2009	CN101578656A A method and an apparatus for processing an audio signal
11/11/2009	CN101578655A Stream generating device, decoding device, and method
11/11/2009	CN101578654A Apparatus and method for restoring multi-channel audio signal using he-aac decoder and mpeg surround decoder
11/11/2009	CN101577618A Transmission apparatus and method
11/11/2009	CN101577551A Method and device for generating lattice vector quantization codebook
11/11/2009	CN101577120A Method, device and system for testing consistency of DRA
11/11/2009	CN101577119A Audio coder-decoder and self-testing method thereof
11/11/2009	CN100559468C Sinusoid selection in audio encoding
11/11/2009	CN100559467C Audio coding
11/11/2009	CN100559466C Anti-DA/AD converting audio-frequency watermark processing method
11/11/2009	CN100559465C Fidelity-optimised variable frame length encoding
11/10/2009	USRE40968 Encoding and decoding apparatus of LSP (line spectrum pair) parameters
11/10/2009	USRE40960 Switched signal processing circuit
11/10/2009	US7617110 Lossless audio decoding/encoding method, medium, and apparatus
11/10/2009	US7617109 Method for correcting metadata affecting the playback loudness and dynamic range of audio information
11/10/2009	US7617100 Method and system for providing an excitation-pattern based audio coding scheme
11/10/2009	US7617097 Scalable lossless audio coding/decoding apparatus and method
11/10/2009	US7617096 Robust quantization and inverse quantization using illegal space
11/10/2009	US7617095 Systems and methods for detecting silences in audio signals
11/10/2009	US7617094 Methods, apparatus, and products for identifying a conversation
11/10/2009	CA2206129C Method and apparatus for applying waveform prediction to subbands of a perceptual coding system
11/05/2009	WO2009135192A1 System and method for dynamic sound delivery
11/05/2009	WO2009133948A1 Audio processing device and audio processing method
11/05/2009	WO2009133324A1 Device and method for vocal reproduction with controlled multi-sensorial perception
11/05/2009	WO2009132662A1 Encoding/decoding for improved frequency response
11/05/2009	WO2009132544A1 A transcoding method and device
11/05/2009	US20090276227 Fast synthesis sub-band filtering method for digital signal decoding
11/05/2009	US20090276226 Method and terminal for encoding an analog signal and a terminal for decording the encoded signal
11/05/2009	US20090276211 Method and device for updating status of synthesis filters
11/05/2009	US20090276210 Stereo audio encoding apparatus, stereo audio decoding apparatus, and method thereof
11/05/2009	US20090274280 Retrieval of deleted voice messages in voice messaging system
11/05/2009	US20090274210 Apparatus and method for determining a quantizer step size
11/04/2009	EP2113912A1 Fixed codebook searching apparatus and method
11/04/2009	EP2113911A2 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system
11/04/2009	EP2113910A1 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system
11/04/2009	EP2113112A1 Method for creating, editing, and reproducing multi-object audio contents files for object-based audio service, and method for creating audio presets
11/04/2009	EP1782417B1 Multichannel decorrelation in spatial audio coding
11/04/2009	EP1590800B1 Continuous backup audio
11/04/2009	CN101572092A Method and device for searching constant codebook excitations at encoding and decoding ends
11/03/2009	US7613609 Apparatus and method for encoding a multi-channel signal and a program pertaining thereto
11/03/2009	US7613607 Audio enhancement in coded domain
11/03/2009	US7613606 Speech codecs
11/03/2009	US7613605 Audio signal encoding apparatus and method
11/03/2009	US7613604 System for bandwidth extension of narrow-band speech
11/03/2009	US7613603 Audio coding device with fast algorithm for determining quantization step sizes based on psycho-acoustic model
11/03/2009	US7613533 Interactive system
11/03/2009	US7613306 Audio encoder and audio decoder
10/2009
10/29/2009	WO2009131392A2 A method and an apparatus for processing an audio signal
10/29/2009	WO2009131066A1 System, device, method, and program for signal analysis control and signal control
10/29/2009	WO2009129822A1 Efficient encoding and decoding for multi-channel signals

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