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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01/06/2010 | CN100578617C Code-switching method and code-switching device |
01/06/2010 | CN100578616C Code conversion method and device |
01/06/2010 | CN100578614C Semantic object synchronous understanding implemented with speech application language tags |
01/05/2010 | US7644003 Cue-based audio coding/decoding |
01/05/2010 | US7644002 Multi-pass variable bitrate media encoding |
01/05/2010 | US7644001 Differentially coding an audio signal |
01/05/2010 | US7643996 Enhanced waveform interpolative coder |
01/05/2010 | US7643993 Method and system for decoding WCDMA AMR speech data using redundancy |
01/05/2010 | US7643992 Method, system and device for automatic recognition of limited speech |
01/05/2010 | US7643990 Global boundary-centric feature extraction and associated discontinuity metrics |
01/05/2010 | US7643989 Method and apparatus for vocal tract resonance tracking using nonlinear predictor and target-guided temporal restraint |
01/05/2010 | US7643721 Moving picture processing device, information processing device, and program thereof |
01/05/2010 | US7643649 Integrating digital watermarks in multimedia content |
01/05/2010 | CA2526803C Method and apparatus to enhance audio quality for digitized voice transmitted over a channel employing frequency diversity |
12/31/2009 | US20090327734 Matching a watermark to a host sampling rate |
12/31/2009 | US20090326963 Audio encoding device, audio encoding method, and program thereof |
12/31/2009 | US20090326962 Quality improvement techniques in an audio encoder |
12/31/2009 | US20090326961 Efficient and secure forensic marking in compressed domain |
12/31/2009 | US20090326960 Encoding and decoding of audio objects |
12/31/2009 | US20090326959 Generation of decorrelated signals |
12/31/2009 | US20090326950 Voice waveform interpolating apparatus and method |
12/31/2009 | US20090326946 Frame Erasure Concealment Technique for a Bitstream-Based Feature Extractor |
12/31/2009 | US20090326935 Method of treating voice information |
12/31/2009 | US20090326934 Audio decoding device, audio decoding method, program, and integrated circuit |
12/31/2009 | US20090326933 Codebook generation system and associated methods |
12/31/2009 | US20090326932 Reducing Computational Complexity in Determining the Distance from Each of a Set of Input Points to Each of a Set of Fixed Points |
12/31/2009 | US20090326931 Hierarchical encoding/decoding device |
12/31/2009 | US20090326930 Speech decoding apparatus and speech encoding apparatus |
12/31/2009 | US20090326929 Methods for Improving High Frequency Reconstruction |
12/31/2009 | US20090326928 Audio Stream Notification and Processing |
12/31/2009 | US20090326690 Audio watermarking technique for motion picture presentations |
12/31/2009 | US20090325524 method and an apparatus for processing an audio signal |
12/31/2009 | US20090323984 Information processing device, control method therefor, and program |
12/31/2009 | US20090323509 Method of transmitting data signals in a telephone network |
12/30/2009 | WO2009157824A1 Multi-mode scheme for improved coding of audio |
12/30/2009 | WO2009157280A1 Audio signal compression device, audio signal compression method, audio signal demodulation device, and audio signal demodulation method |
12/30/2009 | WO2009157213A1 Audio signal decoding device and balance adjustment method for audio signal decoding device |
12/30/2009 | WO2009155803A1 A method and device for packet loss concealment |
12/30/2009 | EP2139000A1 Method and apparatus for encoding or decoding a speech and/or non-speech audio input signal |
12/30/2009 | EP2138999A1 Audio encoding device and audio encoding method |
12/30/2009 | EP2137727A2 Method of transmitting data in a communication system |
12/30/2009 | EP2137726A1 A method and an apparatus for processing an audio signal |
12/30/2009 | EP2137725A1 Apparatus and method for synthesizing an output signal |
12/30/2009 | EP1920636B1 Apparatus and method for decoding an audio signal |
12/30/2009 | EP1499023B1 Data processing system, data processing method, data processing device, and data processing program |
12/30/2009 | CN101617362A Audio decoding device and audio decoding method |
12/30/2009 | CN101617361A Method and apparatus for rate reduction of coded voice traffic |
12/30/2009 | CN101617360A Apparatus and method for coding and decoding multi-object audio signal with various channel |
12/30/2009 | CN101616059A Method and device for concealing lost packages |
12/30/2009 | CN101615910A Method, device and equipment of compression coding and compression coding method |
12/30/2009 | CN101615396A Voice encoding device and voice decoding device, and method thereof |
12/30/2009 | CN101615395A Methods, devices and systems for encoding and decoding signals |
12/30/2009 | CN101615394A Method and device for allocating subframes |
12/30/2009 | CN101615393A Method and apparatus for encoding or decoding a speech and/or non-speech audio input signal |
12/30/2009 | CN101615231A Recording medium, license management apparatus, and recording and playback apparatus |
12/30/2009 | CN100576931C Method for reproducing information signal |
12/30/2009 | CN100576930C Apparatus for generating information signal to be recorded |
12/30/2009 | CN100576319C Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding |
12/30/2009 | CN100576318C Apparatus and method for concealing erased periodic signal data |
12/29/2009 | US7640157 Systems and methods for low bit rate audio coders |
12/29/2009 | US7640156 Low bit-rate audio encoding |
12/29/2009 | US7639837 Identification documents and authentication of such documents |
12/29/2009 | CA2392829C Printer with code sensor |
12/24/2009 | US20090319282 Diffuse sound shaping for bcc schemes and the like |
12/24/2009 | US20090319281 Cue-based audio coding/decoding |
12/24/2009 | US20090319280 Enhancing Perceptual Performance of SBR and Related HFR Coding Methods by Adaptive Noise-Floor Addition and Noise Substitution Limiting |
12/24/2009 | US20090319279 Method and system for audio transmit loopback processing in an audio codec |
12/24/2009 | US20090319278 Efficient coding of overcomplete representations of audio using the modulated complex lapped transform (mclt) |
12/24/2009 | US20090319268 Method and apparatus for measuring the intelligibility of an audio announcement device |
12/24/2009 | US20090319264 Speech decoding apparatus, speech encoding apparatus, and lost frame concealment method |
12/24/2009 | US20090319263 Coding of transitional speech frames for low-bit-rate applications |
12/24/2009 | US20090319262 Coding scheme selection for low-bit-rate applications |
12/24/2009 | US20090319259 Enhancing Perceptual Performance of SBR and Related HFR Coding Methods by Adaptive Noise-Floor Addition and Noise Substitution Limiting |
12/24/2009 | US20090316914 Efficient and Scalable Parametric Stereo Coding for Low Bitrate Audio Coding Applications |
12/24/2009 | US20090316598 Method and apparatus for obtaining an attenuation factor |
12/24/2009 | US20090315748 Enhancing Perceptual Performance of SBR and Related HFR Coding Methods by Adaptive Noise-Floor Addition and Noise Substitution Limiting |
12/23/2009 | WO2009155569A1 Coding of transitional speech frames for low-bit-rate applications |
12/23/2009 | WO2009153995A1 Quantizer, encoder, and the methods thereof |
12/23/2009 | WO2009152723A1 An embedded encoding and decoding method and device |
12/23/2009 | WO2009116815A3 Apparatus and method for encoding and decoding using bandwidth extension in portable terminal |
12/23/2009 | EP2136361A1 Low-complexity audio transcoding |
12/23/2009 | EP2136360A1 Method and system for audio transmit processing in an audio codec |
12/23/2009 | EP2136359A1 Method and device for measuring the intelligibility of a sound distribution system |
12/23/2009 | EP2135241A1 Audible errors detection and prevention for speech decoding, audible errors concealing |
12/23/2009 | EP2135240A2 Speech coding system and method |
12/23/2009 | EP2135239A1 Method and apparatus for coding and decoding amplitude of partial |
12/23/2009 | EP1959435B1 Speech encoder |
12/23/2009 | CN101611442A Encoding device, decoding device, and method thereof |
12/23/2009 | CN101611441A Audio signal encoding |
12/23/2009 | CN101611440A Low-delay transform coding using weighting windows |
12/23/2009 | CN101609684A Post-processing filter for decoding voice signal |
12/23/2009 | CN101609683A Encoder and method for self adapting to discontinuous transmission of multi-rate narrowband |
12/23/2009 | CN101609682A Encoder and method for self adapting to discontinuous transmission of multi-rate wideband |
12/23/2009 | CN101609681A Coding method, coder, decoding method and decoder |
12/23/2009 | CN101609680A Compression coding and decoding method, coder, decoder and coding device |
12/23/2009 | CN101609679A Embedded coding and decoding method and device |
12/23/2009 | CN101609678A Signal compression method and compression device thereof |
12/23/2009 | CN101609677A Preprocessing method, preprocessing device and preprocessing encoding equipment |
12/23/2009 | CN101609676A Method and system for audio signal |
12/23/2009 | CN101609675A Fragile audio frequency watermark method based on mass center |