| 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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| 11/22/2001 | US20010043785 Magnetic-tape recording apparatus and method, magnetic-tape reproduction apparatus and method, and recording medium |
| 11/22/2001 | DE10049464A1 Phase quantization apparatus for speech encoding system, controls amount of quantization noise of each phase of speech signal using perceptual weighting function |
| 11/22/2001 | CA2410165A1 Secured internet media player |
| 11/21/2001 | EP1155526A1 Device and method for producing an encoded audio and/or video data stream |
| 11/21/2001 | EP1155405A1 Enhanced waveform interpolative coder |
| 11/21/2001 | CN1323464A Method and apparatus for digital signal compression without decoding |
| 11/21/2001 | CN1323108A Transmission apparatus enable of high-speed transmitting modulation-demodulation signal |
| 11/20/2001 | US6321200 Method for extracting features from a mixture of signals |
| 11/20/2001 | US6320965 Secure watermark method and apparatus for digital signals |
| 11/15/2001 | WO2001086930A2 System and method of minimizing the number of voice transcodings during a conference call in a packet-switched network |
| 11/15/2001 | WO2001086638A2 Method and system for audio compression and distribution |
| 11/15/2001 | WO2001086637A1 Forward error correction in speech coding |
| 11/15/2001 | WO2001086636A1 Encoding and decoding of a digital signal |
| 11/15/2001 | WO2001086635A1 Method and arrangement for changing source signal bandwidth in a telecommunication connection with multiple bandwidth capability |
| 11/15/2001 | WO2001086387A1 Controlled distributing of digital information, in particular audio |
| 11/15/2001 | WO2001031419B1 User-known and personally valuable encryption key |
| 11/15/2001 | WO2001029825B1 Variable bit-rate celp coding of speech with phonetic classification |
| 11/15/2001 | US20010041976 Signal processing apparatus and mobile radio communication terminal |
| 11/15/2001 | US20010040927 Adaptive differential pulse code modulation system and method utilizing whitening filter for updating of predictor coefficients |
| 11/15/2001 | CA2378732A1 Controlled distributing of digital information, in particular audio |
| 11/14/2001 | EP1154647A2 Method, software product and system for reproducing video/audio data |
| 11/14/2001 | EP1154593A2 Adaptation of modulation to transmission conditions |
| 11/14/2001 | EP1154408A2 Multimode speech coding and noise reduction |
| 11/14/2001 | EP1154407A2 Position information encoding in a multipulse speech coder |
| 11/14/2001 | EP1154404A1 Information processor, processing method therefor, and program storage medium |
| 11/14/2001 | EP1080545A4 Digital hidden data transport (dhdt) |
| 11/14/2001 | EP0588932B1 Variable rate vocoder |
| 11/14/2001 | CN1322405A Device and method for entropy encoding of information words and device and method for decoding entropy-encoded information words |
| 11/14/2001 | CN1322347A Processing circuit for correcting audio signals, receiver, communication system, mobile apparatus and related method |
| 11/14/2001 | CN1322346A Method of speech processing and apparatus for processing of speech |
| 11/14/2001 | CN1322320A Data providing system, device, and method |
| 11/14/2001 | CN1321968A Coding method of restoring digital voice signal sound and device for implementing said method |
| 11/14/2001 | CN1074846C Method for generating spectral noise weighting filter for use in speech coder |
| 11/13/2001 | US6317709 Noise suppressor having weighted gain smoothing |
| 11/13/2001 | US6316912 Power generating device having a form factor suitable for insertion into a player device |
| 11/13/2001 | CA2229240C Lsp prediction coding utilizing a predetermined best prediction matrix based upon past frame information |
| 11/10/2001 | CA2347265A1 Speech coder and speech decoder |
| 11/08/2001 | WO2001084541A1 Method for improving speech quality in speech transmission tasks |
| 11/08/2001 | WO2001084540A1 Method and apparatus for reducing rate determination errors and their artifacts |
| 11/08/2001 | WO2001084537A1 Robust parameters for noisy speech recognition |
| 11/08/2001 | WO2000072549A8 Method and apparatus for telecommunications using internet protocol |
| 11/08/2001 | US20010039572 Data stream adaptation server |
| 11/08/2001 | US20010039495 Linking internet documents with compressed audio files |
| 11/08/2001 | US20010039491 Excitation vector generator, speech coder and speech decoder |
| 11/08/2001 | US20010038643 Method for inserting auxiliary data in an audio data stream |
| 11/08/2001 | US20010038580 Audio reproduction apparatus having audio modulation function, method used by the apparatus, remixing apparatus using the audio reproduction apparatus, and method used by the remixing apparatus |
| 11/07/2001 | EP1152547A2 Network echo canceller |
| 11/07/2001 | EP1152399A1 Subband speech processing with neural networks |
| 11/07/2001 | EP1152397A1 Information processor and processing method, and information storage medium |
| 11/07/2001 | EP1152393A2 Audio reproduction apparatus having audio modulation function, method used by the apparatus and remixing apparatus using the audio reproduction apparatus |
| 11/07/2001 | EP1151612A1 Distributed production system for digitally encoding information |
| 11/07/2001 | EP1151563A2 Method and receiver for receiving a broadcast signal having encoded contents |
| 11/07/2001 | EP1151435A1 Data framing for adaptive-block-length coding system |
| 11/07/2001 | EP1021805B1 Method and apparatus for conditioning a digital speech signal |
| 11/07/2001 | CN1321297A Voice encoder and voice encoding method |
| 11/07/2001 | CN1321265A Digital data copyright protection system |
| 11/07/2001 | CN1321008A System and method for reducing voice delay and improving voice quality using semi-voice block |
| 11/07/2001 | CN1320903A Natural language expression method for using notation language |
| 11/06/2001 | US6314479 Universal multi-pin plug and display connector for standardizing signals transmitted between a computer and a display for a PC theatre interconnectivity system |
| 11/06/2001 | US6314393 Parallel/pipeline VLSI architecture for a low-delay CELP coder/decoder |
| 11/06/2001 | US6314391 Information encoding method and apparatus, information decoding method and apparatus and information recording medium |
| 11/06/2001 | US6314094 Mobile wireless internet portable radio |
| 11/01/2001 | WO2001082513A1 Method and device for coding data on the audio tape of a sound transmission system |
| 11/01/2001 | WO2001082498A2 Method and apparatus for voice latency reduction in a voice-over-data wireless communication system |
| 11/01/2001 | WO2001082294A1 System and method for distributed noise suppression |
| 11/01/2001 | WO2001082293A1 Method and apparatus for predictively quantizing voiced speech |
| 11/01/2001 | WO2001082292A1 Decoder |
| 11/01/2001 | WO2001082289A2 Frame erasure compensation method in a variable rate speech coder |
| 11/01/2001 | WO2001082288A1 Music reproducing apparatus |
| 11/01/2001 | US20010036321 Encoding apparatus and encoding method |
| 10/31/2001 | EP1150299A2 Play back apparatus |
| 10/31/2001 | EP1149480A1 Method and device for inserting information into an audio signal, and method and device for detecting information inserted into an aufio signal |
| 10/31/2001 | EP1149378A1 Embedding and detecting watermarks in one-dimensional information signals |
| 10/31/2001 | EP1074088B1 Method for converting the sampling rate |
| 10/31/2001 | EP0556354B1 Error protection for multimode speech coders |
| 10/31/2001 | DE10026872A1 Verfahren zur Berechnung einer Sprachaktivitätsentscheidung (Voice Activity Detector) A method for calculating a voice activity decision (Voice Activity Detector) |
| 10/31/2001 | CN1320258A 多信道信号编码和解码 Multichannel signal coding and decoding |
| 10/31/2001 | CN1320257A Audio transmission system having an improved encoder |
| 10/31/2001 | CN1319837A High-efficient precision-insuring anti-error code signal compression method |
| 10/30/2001 | US6311214 Linking of computers based on optical sensing of digital data |
| 10/30/2001 | US6311161 System and method for merging multiple audio streams |
| 10/30/2001 | US6311160 Code image recording apparatus having a microphone, a loudspeaker and a printer |
| 10/30/2001 | US6311154 Adaptive windows for analysis-by-synthesis CELP-type speech coding |
| 10/30/2001 | US6311153 Speech recognition method and apparatus using frequency warping of linear prediction coefficients |
| 10/30/2001 | US6311092 Recording apparatus, reproducing apparatus, and recording and/or reproducing apparatus |
| 10/30/2001 | US6310652 Fine-grained synchronization of a decompressed audio stream by skipping or repeating a variable number of samples from a frame |
| 10/25/2001 | WO2001080423A2 Method and apparatus for dynamic sound optimization |
| 10/25/2001 | WO2001080020A1 Apparatus for transmitting and receiving voice message, method of manufacture thereof, relay device, method of transmitting, receiving and relaying, and recording medium |
| 10/25/2001 | WO2001026262A3 Method and device for introducing information into a data stream and a method for encoding an audio signal |
| 10/25/2001 | US20010034714 Content playback system, content playback method, content playback requesting apparatus, and temporary playback apparatus |
| 10/25/2001 | US20010034600 Excitation vector generator, speech coder and speech decoder |
| 10/25/2001 | US20010033662 Interface security system and method |
| 10/25/2001 | US20010033616 Generating coefficients for a prediction filter in an encoder |
| 10/25/2001 | US20010033325 Communication apparatus and method of operating communication apparatus |
| 10/24/2001 | EP1148740A2 Magnetic tape recording apparatus and method, magnetic tape reproduction apparatus and method, and recording medium |
| 10/24/2001 | EP1148734A1 Network, transmitting terminal and constitution method of an access point in a data stream |
| 10/24/2001 | EP1148489A2 Recording medium for storing encrypted audio data, apparatus and method of recording the same, and apparatus and method of reproducing the same |
| 10/24/2001 | EP1147667A1 Local video and audio network with optical data line |
| 10/24/2001 | EP1147514A1 Wideband audio transmission system |
| 10/24/2001 | EP0682337B1 Method and device for encoding signal, method and device for decoding signal, and recording medium |