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)
10/2009
10/29/2009WO2009110751A3 Method and apparatus for processing an audio signal
10/29/2009WO2009110738A3 Method and apparatus for processing audio signal
10/29/2009WO2009049895A9 Audio coding using downmix
10/29/2009US20090271204 Audio Compression
10/29/2009US20090271184 Scalable encoding device, and scalable encoding method
10/28/2009EP2112653A1 Audio decoding device, audio decoding method, program, and integrated circuit
10/28/2009EP2112652A1 Apparatus and method for combining multiple parametrically coded audio sources
10/28/2009EP2112651A1 A method and an apparatus for processing an audio signal
10/28/2009EP2111726A2 System and method for dynamic modification of speech intelligibility scoring
10/28/2009EP2111618A1 A method and an apparatus for processing an audio signal
10/28/2009EP2111617A1 Methods and apparatuses for encoding and decoding object-based audio signals
10/28/2009EP2111616A1 Methods and apparatuses for encoding and decoding object-based audio signals
10/28/2009EP2030199B1 Linear predictive coding of an audio signal
10/28/2009EP1711937B1 Method and apparatus for time scaling of a signal
10/28/2009EP1422690B1 Apparatus and method for generating pitch waveform signal and apparatus and method for compressing/decompressing and synthesizing speech signal using the same
10/28/2009CN101568959A Method, medium, and apparatus with bandwidth extension encoding and/or decoding
10/28/2009CN101568958A A method and an apparatus for processing an audio signal
10/28/2009CN101567188A Multi-pitch estimation method for mixed audio signals with combined long frame and short frame
10/28/2009CN101567187A Personal translator
10/28/2009CN100555876C Apparatus and method for processing acoustical-signal
10/28/2009CN100555414C DTX determination method and apparatus
10/28/2009CN100555413C Method and apparatus for expansible coding and decoding audio-frequency data
10/28/2009CN100555412C Speech key of mobile
10/27/2009US7610543 Method and apparatus for puncturing with unequal error protection in a wireless communication system
10/27/2009US7610205 High quality time-scaling and pitch-scaling of audio signals
10/27/2009US7610198 Robust quantization with efficient WMSE search of a sign-shape codebook using illegal space
10/27/2009US7610196 Periodic signal enhancement system
10/27/2009US7610195 Decoding of predictively coded data using buffer adaptation
10/27/2009US7609410 Mobile telecommunication device with integral printer mechanism and sensing means
10/27/2009CA2343191C Celp encoding/decoding method and apparatus
10/22/2009WO2009128852A1 Data substitution scheme for oversampled data
10/22/2009WO2009128851A1 Channel decoding-based error detection
10/22/2009WO2009128845A1 Synchronizing timing mismatch by data deletion
10/22/2009WO2009128844A1 Synchronizing timing mismatch by data insertion
10/22/2009WO2009128753A1 Coversational interactivity measurement and estimation for real-time media
10/22/2009WO2009128667A2 Method and apparatus for encoding/decoding an audio signal by using audio semantic information
10/22/2009WO2009128666A2 Method and apparatus for processing audio signals
10/22/2009WO2009128664A2 A method and an apparatus for processing an audio signal
10/22/2009WO2009128663A2 A method and an apparatus for processing an audio signal
10/22/2009WO2009128662A2 A method and an apparatus for processing an audio signal
10/22/2009WO2009127133A1 An audio frequency processing method and device
10/22/2009WO2009127097A1 Method and apparatus of communication
10/22/2009US20090265167 Speech encoding apparatus and speech encoding method
10/22/2009US20090265166 Boundary estimation apparatus and method
10/22/2009US20090265165 Automatic meta-data tagging pictures and video records
10/22/2009US20090265164 Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof
10/22/2009US20090265024 Device and method for analyzing an information signal
10/22/2009US20090262975 Deriving or Calculating Identifiers From Video Signals
10/22/2009US20090262949 Multi-channel acoustic signal processing device
10/22/2009US20090262945 Stereo encoding device, stereo decoding device, and stereo encoding method
10/22/2009US20090262866 Data carrier provided with at least two decoding stages
10/21/2009EP2110808A1 A coding method, an encoder and a computer readable medium
10/21/2009EP2109950A2 Method of transmitting data in a communication system
10/21/2009EP2109861A2 Audio decoder
10/21/2009EP2042001B1 Binaural spatialization of compression-encoded sound data
10/21/2009EP1920434B1 Single-codebook vector quantization for multiple-rate applications
10/21/2009EP1898397B1 Scalable decoder and disappeared data interpolating method
10/21/2009EP1817766B1 Synchronizing parametric coding of spatial audio with externally provided downmix
10/21/2009EP1236159B1 Viewer with code sensor
10/21/2009CN101563848A Audio encoding and decoding apparatus and method thereof
10/21/2009CN101563726A Method and device for transcoding audio signals
10/21/2009CN101562016A Totally-blind digital speech authentication method
10/21/2009CN101562015A Audio-frequency processing method and device
10/21/2009CN100552774C Method for changing speed of sound
10/21/2009CN100552669C Method and apparatus for transforming a digital audio signal and for inversely transforming a transformed digital audio signal
10/20/2009US7606716 Systems and methods for multi-dialog surround audio
10/20/2009US7606709 Voice converter with extraction and modification of attribute data
10/20/2009US7606705 Speech data receiver with detection of channel-coding rate
10/20/2009US7606703 Layered celp system and method with varying perceptual filter or short-term postfilter strengths
10/20/2009US7606702 Speech decoder, speech decoding method, program and storage media to improve voice clarity by emphasizing voice tract characteristics using estimated formants
10/20/2009US7606390 Processing data representing video and audio and methods and apparatus related thereto
10/20/2009CA2342353C An adaptive criterion for speech coding
10/15/2009WO2009126759A1 Method and apparatus for selective signal coding based on core encoder performance
10/15/2009WO2009125588A1 Encoding device and encoding method
10/15/2009WO2009125114A1 Concealment of transmission error in a digital signal in a hierarchical decoding structure
10/15/2009WO2009125046A1 Processing of signals
10/15/2009WO2008114090A8 Method of transmitting data in a communication system
10/15/2009US20090259479 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
10/15/2009US20090259478 Audio Decoding Apparatus and Decoding Method and Program
10/15/2009US20090259477 Method and Apparatus for Selective Signal Coding Based on Core Encoder Performance
10/15/2009US20090259476 Device and computer program product for high frequency signal interpolation
10/15/2009US20090259463 Methods and Apparatus for Efficient Vocoder Implementations
10/15/2009US20090259461 Gain Control System, Gain Control Method, and Gain Control Program
10/14/2009EP2109098A2 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
10/14/2009CN101558444A Matching a watermark to a host sampling rate
10/14/2009CN101558424A Extracting auxiliary data from a host signal
10/14/2009CN101556801A Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
10/14/2009CN101556800A Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
10/14/2009CN101556799A Audio decoding method and audio decoder
10/14/2009CN101556798A Multi-channel decoding system and method thereof
10/14/2009CN100551099C Method for supporting multi-language playback and system thereof
10/14/2009CN100550712C Method and device of signal processing
10/14/2009CN100550166C Information recording method, information recording apparatus and information reproducing apparatus and method
10/14/2009CN100550133C Audio signal processing method and device
10/14/2009CN100550132C Spectral line frequency vector quantization method and system
10/14/2009CN100550131C Method and device for extending the audio signal band
10/13/2009US7603270 Method of prioritizing transmission of spectral components of audio signals
10/13/2009US7603267 Rules-based grammar for slots and statistical model for preterminals in natural language understanding system
10/13/2009US7602978 Deriving multiple identifiers from multimedia content
10/13/2009US7602977 Digital watermarks