Patents
Sitemap › G10 - Musical instruments; Acoustics › G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding › 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)
10/2007
10/17/2007CN200962315Y A voice processing device
10/17/2007CN101057275A Vector conversion device and vector conversion method
10/17/2007CN101057246A 数据再现方法和数据处理装置 Data reproducing method and a data processing apparatus
10/17/2007CN101056466A A method and device for adjusting the voice encoding and decoding mode in the call process
10/17/2007CN101056183A Buffer-based magnitude charging middle message processing method
10/17/2007CN101055721A Multi-sound channel digital audio encoding device and its method
10/17/2007CN101055720A Method and apparatus for encoding and decoding an audio signal
10/17/2007CN101055719A Multi-sound channel digital audio encoding device and its method
10/17/2007CN101055718A A sound fingerprint recognition method based on the vector quantification
10/17/2007CN101055717A Artificial cochlea implementation method using the ATF coding technology and ATF artificial cochlea
10/17/2007CN101055716A Stereo decoder and method for processing pilot signal
10/17/2007CN100343895C Audio coding
10/16/2007US7284255 Audience survey system, and system and methods for compressing and correlating audio signals
10/16/2007US7283968 Method for grouping short windows in audio encoding
10/16/2007US7283967 Encoding device decoding device
10/16/2007US7283966 Scalable audio communications utilizing rate-distortion based end-to-end bit allocation
10/16/2007US7283965 Delivery and transmission of dolby digital AC-3 over television broadcast
10/16/2007US7283961 High-quality speech synthesis device and method by classification and prediction processing of synthesized sound
10/16/2007US7283957 Multi-channel signal encoding and decoding
10/16/2007US7283954 Comparing audio using characterizations based on auditory events
10/16/2007US7283952 Correcting model bias during quality and rate control for digital audio
10/16/2007US7283948 System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources
10/16/2007US7283880 Method and apparatus for elapsed playback timekeeping of variable bit-rate digitally encoded audio data files
10/16/2007US7283585 Multiple data rate communication system
10/16/2007CA2449255C Hierarchical lossless encoding and decoding method, hierarchical lossless encoding method, hierarchical lossless decoding method, apparatus and program therefor
10/11/2007WO2007115271A1 Voice modifier for speech processing systems
10/11/2007WO2007114624A1 Apparatus for processing media signal and method thereof
10/11/2007WO2007114594A1 Apparatus for processing media signal and method thereof
10/11/2007WO2007114555A1 Multi-path trellis coded quantization method and multi-path coded quantizer using the same
10/11/2007WO2007114291A1 Sound encoder, sound decoder, and their methods
10/11/2007WO2007114290A1 Vector quantizing device, vector dequantizing device, vector quantizing method, and vector dequantizing method
10/11/2007WO2007112820A1 Signal coding and decoding with pre- and post-processing
10/11/2007WO2007096550A3 Improved coding/decoding of a digital audio signal, in celp technique
10/11/2007WO2007011657A3 Modification of codewords in dictionary used for efficient coding of digital media spectral data
10/11/2007US20070239463 Encoding device, decoding device, and system thereof utilizing band expansion information
10/11/2007US20070239462 Spectral parameter substitution for the frame error concealment in a speech decoder
10/11/2007US20070239442 Multi-Channel Encoder
10/11/2007US20070239441 System and method for addressing channel mismatch through class specific transforms
10/11/2007US20070239440 Processing of Excitation in Audio Coding and Decoding
10/11/2007US20070239439 Method and apparatus for training f0 and pause prediction model, method and apparatus for f0 and pause prediction, method and apparatus for speech synthesis
10/11/2007US20070237329 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media
10/10/2007EP1843507A2 Steganographic method and device
10/10/2007EP1843496A2 System and method for encoding an audio signal, by adding an inaudible code to the audio signal, for use in broadcast programme identification systems
10/10/2007EP1843354A2 MPEG portable sound reproducing system and a reproducing method thereof
10/10/2007EP1843353A2 MPEG portable sound reproducing system and a reproducing method thereof
10/10/2007EP1843246A2 Method for creating a representation of a calculation result depending linearly on the square a value
10/10/2007EP1730726B1 Multi-channel audio energy loss compensation
10/10/2007EP1016231B1 Fast synthesis sub-band filtering method for digital signal decoding
10/10/2007CN101053020A Efficient audio coding using signal properties
10/10/2007CN101053019A Encoding and decoding of audio signals using complex-valued filter banks
10/10/2007CN101053018A Parametric audio coding comprising amplitude envelops
10/10/2007CN101053017A Encoding and decoding a set of signals
10/10/2007CN101053016A Frequency compensation for perceptual speech analysis
10/10/2007CN101051985A Method for realizing virtual special net access
10/10/2007CN101051961A Loopback control method and device
10/10/2007CN101051931A System and method for realizing business protection using LCAS protocol
10/10/2007CN101051465A Method and apparatus for decoding layer encoded data
10/10/2007CN101051261A Rounding computing method and computing device therefor
10/09/2007US7281053 Method and system for dynamic latency management and drift correction
10/09/2007US7280959 Indexing pulse positions and signs in algebraic codebooks for coding of wideband signals
10/09/2007US7280487 Embedding sample voice files in voice over IP (VOIP) gateways for voice quality measurements
10/09/2007US7280296 Apparatus and method for recording digital broadcast on exchangeable storage medium, and exchangeable storage medium therefor
10/09/2007US7280133 System and method for queuing and presenting audio messages
10/04/2007WO2007111647A2 Pitch prediction for packet loss concealment
10/04/2007WO2007111646A2 Speech post-processing using mdct coefficients
10/04/2007WO2007110823A1 Audio decoding
10/04/2007WO2007110750A2 Low complexity subband-domain filtering in the case of cascaded filter banks
10/04/2007WO2007110553A1 System for providing consistency of pronunciations
10/04/2007WO2007110102A1 Reduced number of channels decoding
10/04/2007WO2007109960A1 Method, system and data signal detector for realizing dada service
10/04/2007WO2007091968A3 Method and arrangement for improving media transmission quality using robust representation of media frames
10/04/2007WO2007091956A3 A voice detector and a method for suppressing sub-bands in a voice detector
10/04/2007US20070233914 Control of an electronic device
10/04/2007US20070233474 Apparatus and method for quantization in digital communication system
10/04/2007US20070233473 Multi-path trellis coded quantization method and multi-path coded quantizer using the same
10/04/2007US20070233472 Voice modifier for speech processing systems
10/04/2007US20070233470 Multichannel Signal Coding Equipment and Multichannel Signal Decoding Equipment
10/04/2007US20070233467 Hierarchy Encoding Apparatus and Hierarchy Encoding Method
10/04/2007US20070233466 Low complexity subband-domain filtering in the case of cascaded filter banks
10/04/2007US20070233296 Method, medium, and apparatus with scalable channel decoding
10/04/2007US20070230710 Method, Device, Encoder Apparatus, Decoder Apparatus and Audio System
10/03/2007EP1841072A1 Method and apparatus for decoding layer encoded data
10/03/2007EP1840876A2 Method and apparatus for reducing undesired packet generation
10/03/2007EP1840875A1 Signal coding and decoding with pre- and post-processing
10/03/2007EP1840874A1 Audio encoding device, audio encoding method, and audio encoding program
10/03/2007EP1840873A1 Audio signal encoding method, program of audio signal encoding method, recording medium having program of audio signal encoding method recorded thereon, and audio signal encoding device
10/03/2007EP1839297A1 Scalable encoding/decoding of audio signals
10/03/2007EP1399916B1 Improved method for determining the quality of a speech signal
10/03/2007CN101048964A 分组丢失补偿 Packet loss compensation
10/03/2007CN101048814A Encoder, decoder, encoding method, and decoding method
10/03/2007CN101048813A Adaptive de-jitter buffer for voice IP transmission
10/03/2007CN101047595A Initial method and device of bus system
10/03/2007CN101047586A Service QoS ensuring method and device for radio mesh network
10/03/2007CN101047571A Method and system for transmitting test route
10/03/2007CN101047533A Method and device for connecting multi-conference
10/03/2007CN101047367A Filtering apparatus
10/03/2007CN101046964A Error hidden frame reconstruction method based on overlap change compression code
10/03/2007CN101046963A Multi-sound channel audio encoding device and its method
10/03/2007CN101046962A Audio signal encoding method, program and recording medium, and audio signal encoding device
10/03/2007CN101046961A Speech compression, decompression method and circuit based on wave shape
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