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)
09/2005
09/22/2005US20050207502 Transcoder and code conversion method
09/22/2005DE102004007184B3 Verfahren und Vorrichtung zum Quantisieren eines Informationssignals Method and device for quantizing an information signal
09/21/2005EP1578133A1 Methods and systems for encoding/decoding signals, and computer program product therefor
09/21/2005EP1577881A2 A speech communication system and method for handling lost frames
09/21/2005EP1576602A1 Method and apparatus for mixing audio stream and information storage medium
09/21/2005EP1576585A1 Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding
09/21/2005EP1576584A1 Sinusoid selection in audio encoding
09/21/2005EP1576583A2 Sinusoid selection in audio encoding
09/21/2005EP1576582A2 Encoding multiple messages in audio data and detecting same
09/21/2005EP1399917B1 Editing of audio signals
09/21/2005EP1395978A4 Method and apparatus for speech reconstruction in a distributed speech recognition system
09/21/2005EP1275107A4 Linking internet documents with compressed audio files
09/21/2005EP1226578A4 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network
09/21/2005EP1125282B1 Audio coding
09/21/2005CN1672418A Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information
09/21/2005CN1672325A Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
09/21/2005CN1672193A Speech communication unit and method for error mitigation of speech frames
09/21/2005CN1672192A Method and apparatus for transcoding between different speech encoding/decoding systems and recording medium
09/21/2005CN1672173A Identification of digital data sequences
09/21/2005CN1672172A 水印检测 Watermark detection
09/21/2005CN1220334C Rate variable voice coder
09/21/2005CN1220179C Apparatus and method for rate determination in communication system
09/21/2005CN1220178C Method and apparatus for searching in codebook to encode sound signal
09/21/2005CN1220177C Audio decoder and coding error compensating method
09/21/2005CN1220172C Recorder, recording/reproducing music method, broadcast and instrumental ensemble system
09/20/2005US6947893 Acoustic signal transmission with insertion signal for machine control
09/20/2005US6947889 Excitation vector generator and a method for generating an excitation vector including a convolution system
09/20/2005US6947888 Method and apparatus for high performance low bit-rate coding of unvoiced speech
09/20/2005US6947887 Low speed speech encoding method based on Internet protocol
09/20/2005US6947886 Scalable compression of audio and other signals
09/20/2005US6947705 Method, apparatus, and system for delivering contents
09/20/2005US6947550 Acoustic echo cancellation
09/20/2005US6946672 Viewer with code sensor and printer
09/20/2005CA2366349C Data compression, control program for controlling the data compression
09/20/2005CA2140779C Method, apparatus and recording medium for coding of separated tone and noise characteristics spectral components of an acoustic signal
09/15/2005WO2005086357A1 Decoding progtam, method and device of encoded data
09/15/2005WO2005086161A2 Digital amplification of audio signals
09/15/2005WO2005086139A1 Multichannel audio coding
09/15/2005WO2005086138A1 Error conceal device and error conceal method
09/15/2005WO2005086137A1 A coding/decoding method based templet matching and multi-distinguishability analysis
09/15/2005WO2005086135A2 Adaptive quantiser
09/15/2005WO2005086010A1 Message transmission system, message transmission method, reception device, transmission device, and message transmission program
09/15/2005US20050203812 Information service method, data terminal unit, data transmitting and receiving apparatus, and data transmitting apparatus
09/15/2005US20050203744 Method, device and program for extracting and recognizing voice
09/15/2005US20050203736 Excitation vector generator, speech coder and speech decoder
09/15/2005US20050203734 Speech coder and speech decoder
09/15/2005US20050203733 Method of comfort noise generation for speech communication
09/15/2005US20050203731 Lossless audio coding/decoding method and apparatus
09/15/2005US20050203730 Weight function generating method, reference signal generating method, transmission signal generating apparatus, signal processing apparatus and antenna
09/15/2005US20050201495 Reproducing apparatus and method for controlling the same
09/15/2005CA2808226A1 Multichannel audio coding
09/15/2005CA2559101A1 Adaptive quantiser
09/15/2005CA2556575A1 Multichannel audio coding
09/14/2005EP1575033A1 Technique for multi-rate coding of a signal containing information
09/14/2005EP1575032A2 Lossless audio coding/decoding method and apparatus
09/14/2005EP1574966A2 Weight function generating method and signal processing apparatus
09/14/2005EP1573948A2 Digital audio production device
09/14/2005EP1573717A1 Sub-sampled excitation waveform codebooks
09/14/2005EP1086452B1 Method for performing packet loss concealment
09/14/2005CN1669359A Audio coding
09/14/2005CN1669358A Audio coding
09/14/2005CN1669075A Audio coding
09/14/2005CN1669074A Voice intensifier
09/14/2005CN1669073A Audio decoding device, decoding method, and program
09/14/2005CN1669072A Low bit-rate audio coding
09/14/2005CN1669071A Method and device for code conversion between audio encoding/decoding methods and storage medium thereof
09/14/2005CN1667738A Reproducing apparatus and method for controlling the same
09/14/2005CN1667703A Audio enhancement in coded domain
09/14/2005CN1667432A Weight function generating method, reference signal generating method, transmission signal generating apparatus, signal processing apparatus and antenna
09/14/2005CN1219255C Apparatus and method for error recovery
09/13/2005US6944589 Voice analyzing and synthesizing apparatus and method, and program
09/13/2005US6944560 Method for eliminating noise signals in radio signal receiving devices
09/13/2005US6944447 Location-based services
09/13/2005US6944298 Steganographic encoding and decoding of auxiliary codes in media signals
09/09/2005WO2005083889A1 Dimensional vector and variable resolution quantisation
09/09/2005WO2005083684A1 Decoding scheme for variable block length signals
09/09/2005WO2005083683A1 Predicative coding scheme
09/09/2005WO2005083682A1 Adaptive hybrid transform for signal analysis and synthesis
09/09/2005WO2005083681A1 Device and method for determining a quantiser step size
09/09/2005WO2005083680A1 Device and method for determining an estimated value
09/09/2005WO2005083679A1 An audio distribution system, an audio encoder, an audio decoder and methods of operation therefore
09/09/2005WO2005083678A1 Device and method for processing a multi-channel signal
09/09/2005WO2004097794A3 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
09/08/2005US20050198346 Media coding for loss recovery with remotely predicted data units
09/08/2005US20050197833 Apparatus and method for speech coding
09/08/2005US20050197830 Method for calculating a frame in audio decoding
09/08/2005US20050197158 Mobile telecommunications device with stylus
09/08/2005US20050196013 Imagery having technical exposure data steganographically encoded therein
09/08/2005US20050195981 Frequency-based coding of channels in parametric multi-channel coding systems
09/08/2005US20050195929 Sampling frequency conversion apparatus
09/08/2005DE102004012260B3 Hydraulic braking force production system for road vehicle has main braking cylinder connected to brake pedal and includes primary and secondary pistons
09/07/2005EP1570644A1 Encoding of digital information
09/07/2005EP1570463A1 Sinusoidal audio coding
09/07/2005EP1570462A1 Method for coding and decoding the wideness of a sound source in an audio scene
09/07/2005EP1495413A4 Messaging response system
09/07/2005CN1666572A Signal processing
09/07/2005CN1666571A Audio processing
09/07/2005CN1666527A A system and method for providing user control over repeating objects embedded in a stream
09/07/2005CN1666256A Sinusoidal audio coding
09/07/2005CN1666255A Method for transmitting audio signals according to the prioritizing pixel transmission method