| 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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| 09/27/2001 | US20010025302 Data processing system, device, and method, and program storage medium |
| 09/27/2001 | US20010025242 Error concealment method with pitch change detection |
| 09/27/2001 | US20010024568 Compressed audio data reproduction apparatus and compressed audio data reproducing method |
| 09/27/2001 | DE10000934C1 Vorrichtung und Verfahren zum Bestimmen eines Codierungs-Blockrasters eines decodierten Signals Apparatus and method for determining a coding block raster of a decoded signal |
| 09/26/2001 | EP1137251A2 Transform domain use of steganographically embedded data to discern image distortion |
| 09/26/2001 | EP1136986A2 Audio datastream transcoding apparatus |
| 09/26/2001 | EP1136985A2 Vector quantisation codebook generation method |
| 09/26/2001 | EP1136902A2 Recording medium having encrypted sound data recorded therein and information processor |
| 09/26/2001 | EP1025646B1 Methods and devices for encoding audio signals and methods and devices for decoding a bit stream |
| 09/26/2001 | EP0692880B1 Signal encoder, signal decoder, recording medium and signal encoding method |
| 09/26/2001 | CN1315033A Signal processing techniques for time-scale and/or pitch modification of audio signals |
| 09/26/2001 | CN1315032A Method for executing automatic evaluation of transmission quality of audio signals |
| 09/26/2001 | CN1071914C Method for encoding signal and method for decoding signal |
| 09/25/2001 | US6295520 Multi-pulse synthesis simplification in analysis-by-synthesis coders |
| 09/25/2001 | US6295391 Automatic data routing via voice command annotation |
| 09/25/2001 | US6295319 Decoding device |
| 09/25/2001 | US6295302 Alternating speech and data transmission in digital communications systems |
| 09/25/2001 | US6295009 Audio signal encoding apparatus and method and decoding apparatus and method which eliminate bit allocation information from the encoded data stream to thereby enable reduction of encoding/decoding delay times without increasing the bit rate |
| 09/20/2001 | WO2001069593A1 Laguerre fonction for audio coding |
| 09/20/2001 | WO2000048171A9 Speech enhancement with gain limitations based on speech activity |
| 09/20/2001 | US20010023399 Audio signal processing apparatus and signal processing method of the same |
| 09/20/2001 | US20010023396 Method and apparatus for hybrid coding of speech at 4kbps |
| 09/20/2001 | US20010023395 Speech encoder adaptively applying pitch preprocessing with warping of target signal |
| 09/20/2001 | US20010022848 Method of producing a security document |
| 09/19/2001 | EP1133886A2 Efficient in-band signaling for discontinuous transmission and configuration changes in adaptive multi-rate communications systems |
| 09/19/2001 | EP1133844A1 Apparatus for, and method of, encoding a signal |
| 09/19/2001 | EP1133767A1 Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system |
| 09/19/2001 | EP1104146A9 Voice recorder digital portable telephone apparatus |
| 09/19/2001 | EP0966793B1 Audio coding method and apparatus |
| 09/19/2001 | EP0864146A4 Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation |
| 09/19/2001 | EP0764938B1 Perceptual noise masking based on synthesis filter frequency response |
| 09/19/2001 | CN1313983A Noise signal encoder and voice signal encoder |
| 09/18/2001 | US6292777 Phase quantization method and apparatus |
| 09/18/2001 | US6292774 Introduction into incomplete data frames of additional coefficients representing later in time frames of speech signal samples |
| 09/13/2001 | WO2001067766A1 Information service method, data terminal, data transmitter/receiver, and data transmitter |
| 09/13/2001 | WO2001067699A1 Method and system for encoding to mitigate decoding errors in a receiver |
| 09/13/2001 | WO2001067671A2 Data embedding in digital telephone signals |
| 09/13/2001 | WO2001067451A1 A method for reconstruction of audio signal |
| 09/13/2001 | WO2001067438A1 Slowed-down voice reproducing method |
| 09/13/2001 | WO2001067437A1 Speech decoder and a method for decoding speech |
| 09/13/2001 | WO2001067436A1 Sub-packet insertion for packet loss compensation in voice over ip networks |
| 09/13/2001 | WO2001043120A8 Method for the error concealment of digital audio data by means of spectral equalisation |
| 09/13/2001 | US20010021904 System for generating formant tracks using formant synthesizer |
| 09/13/2001 | DE19947877C2 Verfahren und Vorrichtung zum Einbringen von Informationen in einen Datenstrom sowie Verfahren und Vorrichtung zum Codieren eines Audiosignals Method and apparatus for introducing information into a data stream as well as methods and apparatus for encoding an audio signal |
| 09/13/2001 | CA2400947A1 Data embedding in digital telephone signals |
| 09/12/2001 | EP1132895A2 Watermarking generation method for audio signals |
| 09/12/2001 | EP1132894A2 Vector quantisation codebook generation method |
| 09/12/2001 | EP1132893A2 Constraining pulse positions in CELP vocoding |
| 09/12/2001 | EP1132892A1 Voice encoder and voice encoding method |
| 09/12/2001 | EP1132891A1 Voice encoder, voice decoder, and voice encoding and decoding method |
| 09/12/2001 | EP1131928A1 Block joint source-channel coding |
| 09/12/2001 | EP1131892A1 Signal processing apparatus and method |
| 09/12/2001 | EP1131817A1 Method and apparatus for a tunable high-resolution spectral estimator |
| 09/12/2001 | EP1131816A1 Synthesis of speech from pitch prototype waveforms by time-synchronous waveform interpolation |
| 09/12/2001 | EP1131815A1 Processing circuit for correcting audio signals, receiver, communication system, mobile apparatus and related method |
| 09/12/2001 | EP1131814A1 Mitigating errors in a distributed speech recognition process |
| 09/12/2001 | EP1131769A2 Printing and validation of self validating security documents |
| 09/12/2001 | CN1312977A Scalable audio coder and decoder |
| 09/12/2001 | CN1312976A System and method of masking quantization noise of audio signals |
| 09/12/2001 | CN1312974A System and method for entropy ercoding quantized transform coefficients of a sigral |
| 09/12/2001 | CN1312938A System and method for reducing noise |
| 09/12/2001 | CN1312937A Method and device for masking errors |
| 09/12/2001 | CN1312562A Information signal representing apparatus |
| 09/12/2001 | CN1312193A Automatic broadcaster in GPS positioned vehicle |
| 09/11/2001 | US6289311 Sound synthesizing method and apparatus, and sound band expanding method and apparatus |
| 09/11/2001 | US6289307 Codebook preliminary selection device and method, and storage medium storing codebook preliminary selection program |
| 09/11/2001 | US6289253 Recording and/or reproducing apparatus and recording apparatus |
| 09/11/2001 | US6289140 Voice control input for portable capture devices |
| 09/11/2001 | US6289108 Methods for detecting alteration of audio and images |
| 09/11/2001 | US6289085 Voice mail system, voice synthesizing device and method therefor |
| 09/11/2001 | CA2331611C Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation |
| 09/07/2001 | WO2001065888A2 A system for accommodating primary and secondary audio signal |
| 09/07/2001 | WO2001065761A1 Method to detect and conceal corrupted signal parameters in coded speech communication |
| 09/07/2001 | WO2001065544A1 Closed-loop multimode mixed-domain linear prediction speech coder |
| 09/07/2001 | WO2001065542A1 Voice encoding/decoding device and method therefor |
| 09/07/2001 | WO2000048170A9 Celp transcoding |
| 09/07/2001 | CA2401798A1 A system for accommodating primary and secondary audio signal |
| 09/06/2001 | US20010020280 Sub-packet insertion for packet loss compensation in voice over IP networks |
| 09/06/2001 | US20010020227 System and method for efficiently implementing a masking function in a psycho-acoustic modeler |
| 09/06/2001 | US20010020193 Information signal reproducing apparatus |
| 09/06/2001 | US20010019618 Watermarking methods and media |
| 09/05/2001 | EP1130576A1 Error protection for multimode speech encoders |
| 09/05/2001 | EP1130492A2 System and method for processing protected data |
| 09/05/2001 | EP1129537A1 Processing received data in a distributed speech recognition process |
| 09/05/2001 | EP1129451A1 Closed-loop variable-rate multimode predictive speech coder |
| 09/05/2001 | EP1129450A1 Low bit-rate coding of unvoiced segments of speech |
| 09/05/2001 | CN2446634Y Voice warning indicator in communication appts. |
| 09/05/2001 | CN2446633Y Special radio earphone receiver-transmitter for mobile telephone |
| 09/05/2001 | CN1311964A Method for transmitting digital useful data |
| 09/05/2001 | CN1311581A Method and device for computerized voice data hidden |
| 09/04/2001 | US6285888 Mobile telephone arranged to receive and transmit digital data samples of encoded speech |
| 09/04/2001 | US6285776 Methods for identifying equipment used in counterfeiting |
| 08/30/2001 | WO2001063935A1 Video and audio coding |
| 08/30/2001 | WO2001026416A3 High performance audio transmission channel |
| 08/30/2001 | US20010018657 Digital signal processor |
| 08/30/2001 | US20010018651 Coded voice signal format converting apparatus |
| 08/30/2001 | US20010018650 Method and apparatus for performing speech frame encoding mode selection in a variable rate encoding system |
| 08/30/2001 | US20010017931 Method and apparatus for watermarking video images |
| 08/30/2001 | CA2407536A1 Video and audio coding |
| 08/29/2001 | EP1128250A2 System, method and apparatus for playback of digital content |