| 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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| 10/10/2002 | US20020147582 Speech coding method and speech coding apparatus |
| 10/10/2002 | US20020147579 Method and apparatus for speech reconstruction in a distributed speech recognition system |
| 10/10/2002 | DE10123281C1 Device for analyzing audio signal with respect to rhythm information divides signal into sub-band signals, investigates sub-band signal(s) for periodicity with autocorrelation function |
| 10/10/2002 | DE10116984A1 Voice, audio signal transmission involves dividing parameters into several packets so packet to be transmitted can also contain parameters of current and preceding or subsequent frames |
| 10/09/2002 | EP1248252A2 Accelerator architecture for a speech codec |
| 10/09/2002 | EP1247389A1 Method and platform for evaluating speech quality in telephone communications |
| 10/09/2002 | EP1247275A1 Device and method for determining a coding block raster of a decoded signal |
| 10/09/2002 | EP1247243A1 Audio player with code sensor |
| 10/09/2002 | EP1247242A1 Viewer with code sensor and printer |
| 10/09/2002 | EP0780832B1 Speech coding device for estimating an error in the power envelopes of synthetic and input speech signals |
| 10/09/2002 | EP0698268B1 Method and apparatus for mitigating audio degradation in a communication system |
| 10/09/2002 | CN1373414A Method for editing audio data, recording medium thereof and digital audio playback device |
| 10/09/2002 | CN1092420C Audio data decoding apparats and audio data coding/decoding system |
| 10/08/2002 | US6463414 Conference bridge processing of speech in a packet network environment |
| 10/08/2002 | US6463410 Audio signal processing apparatus |
| 10/08/2002 | US6463409 Method of and apparatus for designing code book of linear predictive parameters, method of and apparatus for coding linear predictive parameters, and program storage device readable by the designing apparatus |
| 10/08/2002 | US6463407 Low bit-rate coding of unvoiced segments of speech |
| 10/03/2002 | WO2002078351A1 Method and device for transmitting video and/or audio data |
| 10/03/2002 | WO2002077790A2 Information processing apparatus and method, and program |
| 10/03/2002 | WO2001091314A3 Method and means for receiving a digital transmission comprising a plurality of digital audio signals and for simultaneous reproduction of these signals as analog audio programmes |
| 10/03/2002 | US20020143975 Media distribution systems and multi-media conversion server |
| 10/03/2002 | US20020143556 Quantization loop with heuristic approach |
| 10/03/2002 | US20020143552 Method and device to distinguish between voice conversation and automated speech recognition |
| 10/03/2002 | US20020143543 Compressing & using a concatenative speech database in text-to-speech systems |
| 10/03/2002 | US20020143541 Voice rule-synthesizer and compressed voice-element data generator for the same |
| 10/03/2002 | US20020143527 Selection of coding parameters based on spectral content of a speech signal |
| 10/03/2002 | US20020141596 Method of and apparatus for decoding audio data |
| 10/03/2002 | US20020141552 Voice transmitter |
| 10/03/2002 | US20020141413 Data reduced data stream for transmitting a signal |
| 10/03/2002 | US20020141092 Data reproducing apparatus and data reproducing system |
| 10/03/2002 | US20020140586 Efficient coding of side information in a lossless encoder |
| 10/02/2002 | EP1246444A2 Voice transmitter for encoding and transmitting a DTMF signal and an audio signal |
| 10/02/2002 | EP1246382A2 Data reproducing apparatus and data reproducing system |
| 10/02/2002 | EP1245132A2 Portable audio devices |
| 10/02/2002 | EP1245024A1 Method for the error concealment of digital audio data by means of spectral equalisation |
| 10/02/2002 | EP0763283B1 Data transmission system, data recording and reproducing apparatus and recording medium each having data structure of error correcting code |
| 10/02/2002 | EP0746845B1 Adaptive error control for adpcm speech coders |
| 10/02/2002 | DE10113322A1 Encoding audio data involves comparing required bit number per frame with desired bit number per frame, adapting quality measure for quantisation depending on comparison result |
| 10/02/2002 | CN1372767A Mobile and hand-held broadcast video earth station terminals and methods for communicating with earth teminals via satellites |
| 10/02/2002 | CN1372737A Method to detect and conceal corrupted signal parameters in coded speech communication |
| 10/02/2002 | CN1372683A Method for improving the coding efficiency of an audio signal |
| 10/02/2002 | CN1372682A Decoding of information in audio signals |
| 10/02/2002 | CN1372247A Speech sound coding method and coder thereof |
| 10/02/2002 | CN1372235A Sound and key double-way input method for Chinese character |
| 10/01/2002 | US6459910 Use of speech recognition in pager and mobile telephone applications |
| 10/01/2002 | CA2242345C Excitation vector generator, speech coder and speech decoder |
| 09/26/2002 | WO2002075725A1 Method and device for determining a quality measure for an audio signal |
| 09/26/2002 | WO2002065448B1 Content supply system and information processing method |
| 09/26/2002 | US20020138795 System and method for error concealment in digital audio transmission |
| 09/26/2002 | US20020138730 Apparatus and method for inserting and detecting watermark based on stochastic model |
| 09/26/2002 | US20020138260 LSF quantizer for wideband speech coder |
| 09/26/2002 | US20020138256 Low complexity random codebook structure |
| 09/26/2002 | US20020138255 Speech detecting device and speech detecting method |
| 09/26/2002 | US20020136430 Network linking method using information embedded in data objects that have inherent noise |
| 09/26/2002 | US20020136429 Data hiding through arrangement of objects |
| 09/26/2002 | US20020136195 Base station for compressing and transmitting high speed data |
| 09/26/2002 | US20020136194 Method for subscriber unit compressing and transmitting high speed data |
| 09/26/2002 | US20020134751 Optical element, its manufacturing method and optical element manufacturing metal die |
| 09/25/2002 | EP1244094A1 Method and apparatus for determining a quality measure for an audio signal |
| 09/25/2002 | EP1242916A1 Video player with code sensor |
| 09/25/2002 | EP1242864A1 Printer with vacation mode |
| 09/25/2002 | EP1048024B1 Method for speech coding under background noise conditions |
| 09/25/2002 | CN1371560A Method and system for adaptive voice buffering |
| 09/25/2002 | CN1371512A Enhanced waveform interpolative coder |
| 09/25/2002 | CN1371091A Chinese character encoding method with digits |
| 09/25/2002 | CN1091535C Method, apparatus and circuit for compressing voice signal into variable rate data |
| 09/24/2002 | US6456968 Subband encoding and decoding system |
| 09/24/2002 | US6456966 Apparatus and method for decoding audio signal coding in a DSR system having memory |
| 09/24/2002 | US6456964 Encoding of periodic speech using prototype waveforms |
| 09/24/2002 | US6456963 Block length decision based on tonality index |
| 09/24/2002 | US6456719 Compressed audio error concealment apparatus and method |
| 09/24/2002 | CA2284220C Method for signalling a noise substitution during audio signal coding |
| 09/19/2002 | WO2002073812A1 Error correction encoding method, error correction decoding method, error correction encoding apparatus, and error correction decoding apparatus |
| 09/19/2002 | WO2002073602A1 Data reproducer |
| 09/19/2002 | WO2002073601A1 Method and device for determining the quality of a speech signal |
| 09/19/2002 | WO2002073596A1 Run time synthesizer adaptation to improve intelligibility of synthesized speech |
| 09/19/2002 | WO2002073592A2 Method and device for characterising a signal and method and device for producing an indexed signal |
| 09/19/2002 | WO2002058051A3 Method and device for producing a scalable data stream, and method and device for decoding a scalable data stream while taking a bit bank function into account |
| 09/19/2002 | US20020133764 System and method for concealment of data loss in digital audio transmission |
| 09/19/2002 | US20020133358 Linking in parametric encoding |
| 09/19/2002 | US20020133335 Methods and systems for celp-based speech coding with fine grain scalability |
| 09/19/2002 | US20020133333 Apparatus and program for separating a desired sound from a mixed input sound |
| 09/19/2002 | US20020133246 Method of editing audio data and recording medium thereof and digital audio player |
| 09/19/2002 | US20020131652 Method, apparatus, and recording medium for correcting appreciation data |
| 09/19/2002 | US20020131594 Reproduction device stopping reproduction of encrypted content data having encrypted region shorter than predetermined length |
| 09/19/2002 | US20020131513 Device for improving voice signal in quality |
| 09/19/2002 | US20020131394 Method for base station compressing and transmitting high speed data |
| 09/19/2002 | US20020131391 Subscriber unit for compressing and transmitting high speed data |
| 09/18/2002 | EP1241664A2 Voice encoding/decoding apparatus with packet error resistance and method thereof |
| 09/18/2002 | EP1241663A1 Method and device for determining the quality of speech signal |
| 09/18/2002 | EP1240771A1 Method and system for telephone control |
| 09/18/2002 | EP1240644A1 Determination of the time relation between speech signals affected by time warping |
| 09/18/2002 | EP0829875B1 Method and device for encoding audio signal and method and device for decoding audio signal |
| 09/18/2002 | CN1370387A Speech reproduction system, speech signal generator system and calling system |
| 09/18/2002 | CN1370386A Voice-to-remaining audio (VRA) interactive hearing aid & auxiliary equipment |
| 09/18/2002 | CN1370357A Method and appts. for transmission and reception of compressed audio frames with prioritized messages for digital audio broadcasting |
| 09/18/2002 | CN1370315A Audio player |
| 09/17/2002 | US6453288 Method and apparatus for producing component of excitation vector |
| 09/17/2002 | US6453287 Apparatus and quality enhancement algorithm for mixed excitation linear predictive (MELP) and other speech coders |
| 09/17/2002 | US6452911 Method of allocating vocoder resources in a mobile communication system |