| 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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| 03/25/2004 | WO2004025625A1 Signal processing system, signal processing apparatus and method, recording medium, and program |
| 03/25/2004 | WO2003094369A3 Multi-channel downmixing device |
| 03/25/2004 | WO2003085937A3 Enhanced services call completion |
| 03/25/2004 | WO2002047262A3 Filter devices and methods |
| 03/25/2004 | US20040059918 Method and system of digital watermarking for compressed audio |
| 03/25/2004 | US20040059578 Method and apparatus for improving the quality of speech signals transmitted in an aircraft communication system |
| 03/25/2004 | US20040059572 Apparatus and method for quantitative measurement of voice quality in packet network environments |
| 03/25/2004 | US20040057701 Nonlinear operation method suitable for audio encoding/decoding and hardware applying the same |
| 03/25/2004 | US20040057597 Digital authentication with digital and analog documents |
| 03/25/2004 | US20040057514 Image processing apparatus and method thereof |
| 03/25/2004 | DE60002483T2 Skalierbares kodierungsverfahren für hochqualitätsaudio Scalable coding process for high quality audio |
| 03/25/2004 | DE10139309B4 Verfahren zur Unterdrückung von Störschall A method of suppressing interference noise |
| 03/25/2004 | CA2615915A1 System for efficient recovery of node-b buffered data following mac layer reset |
| 03/24/2004 | EP1401130A1 TRANSMISSION APPARATUS, TRANSMISSION METHOD, RECEPTION APPARATUS, RECEPTION METHOD, AND TRANSMISSION/RECEPTION APPARATUS |
| 03/24/2004 | EP1400955A2 Quantization and inverse quantization for audio signals |
| 03/24/2004 | EP1400954A2 Entropy coding by adapting coding between level and run-length/level modes |
| 03/24/2004 | EP1399918A1 Fast code-vector searching |
| 03/24/2004 | EP1399917A1 Editing of audio signals |
| 03/24/2004 | EP1399916A1 Improved method for determining the quality of a speech signal |
| 03/24/2004 | EP1088205B1 Improved lost frame recovery techniques for parametric, lpc-based speech coding systems |
| 03/24/2004 | CN1484824A Method and system for estimating artifcial high band signal in speech codec |
| 03/24/2004 | CN1484823A Audio decoder and audio decoding method |
| 03/24/2004 | CN1484822A Coding device and decoding device |
| 03/24/2004 | CN1484756A Coding device and decoding device |
| 03/24/2004 | CN1484470A Noise shaper for processing stereo signals |
| 03/24/2004 | CN1484450A Quick digital channel switching |
| 03/24/2004 | CN1143470C Method and device for masking errors |
| 03/24/2004 | CN1143270C Celp linear predictive encoding/decoding method and appts. |
| 03/24/2004 | CN1143269C Transmission system using improved signal encoder and decoder |
| 03/24/2004 | CN1143268C Sound encoding method, sound decoding method, and sound encoding device and sound decoding device |
| 03/24/2004 | CN1143266C Sound reproducing device |
| 03/24/2004 | CN1143265C Transmission system with improved speech encoder |
| 03/24/2004 | CN1143264C Scalable mixing for speech streaming |
| 03/23/2004 | US6711538 Information processing apparatus and method, and recording medium |
| 03/23/2004 | US6711537 Comfort noise generation for open discontinuous transmission systems |
| 03/23/2004 | CA2326275C Comfort noise generation for open discontinuous transmission systems |
| 03/23/2004 | CA2317322C Method and apparatus for sub-band coding and decoding |
| 03/18/2004 | WO2004023524A2 Storage medium rental system |
| 03/18/2004 | WO2004023471A1 Processing digital data |
| 03/18/2004 | WO2004023457A1 Sound encoding apparatus and sound encoding method |
| 03/18/2004 | US20040054542 Automatic generation of multimedia presentation |
| 03/18/2004 | US20040054529 Transmitter and receiver for speech coding and decoding by using additional bit allocation method |
| 03/18/2004 | US20040054525 Encoding method and decoding method for digital voice data |
| 03/18/2004 | US20040054481 Airspeed indicator with quantitative voice output |
| 03/18/2004 | US20040052310 Digital signal processing device and digital signal processing method |
| 03/18/2004 | US20040052229 System for efficient recovery of Node-B buffered data following MAC layer reset |
| 03/17/2004 | EP1398761A1 Bit rate reduction in audio encoders by exploiting inharmonicity effects and auditory temporal masking |
| 03/17/2004 | EP1398760A1 Signaling of window switchings in a MPEG layer 3 audio data stream |
| 03/17/2004 | EP1397799A1 Method and device for processing time-discrete audio sampled values |
| 03/17/2004 | EP1397798A1 Unified filter bank for audio coding |
| 03/17/2004 | EP1397655A1 Method and device for coding speech in analysis-by-synthesis speech coders |
| 03/17/2004 | EP1204965A4 Method and system for measurement of speech distortion from samples of telephonic voice signals |
| 03/17/2004 | CN1483275A Processing apparatus for acquired signals |
| 03/17/2004 | CN1483189A Voice encoding system, and voice encoding method |
| 03/17/2004 | CN1483188A Voice coding method and device |
| 03/17/2004 | CN1142705C Low bit-rate spatial coding method and system, and decoder and decoding method for the system |
| 03/16/2004 | US6708230 Relative address allocation apparatus and method for data storage card |
| 03/16/2004 | US6708147 Method and apparatus for providing comfort noise in communication system with discontinuous transmission |
| 03/16/2004 | US6708145 Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting |
| 03/16/2004 | US6708024 Method and apparatus for generating comfort noise |
| 03/11/2004 | WO2004021710A2 Device and method for scalable coding and device and method for scalable decoding |
| 03/11/2004 | WO2004021332A1 Controlling loudness of speech in signals that contain speech and other types of audio material |
| 03/11/2004 | US20040049464 Storage-medium rental system |
| 03/11/2004 | US20040049392 Content outputting apparatus |
| 03/11/2004 | US20040049384 Fixed, variable and adaptive bit rate data source encoding (compression) method |
| 03/11/2004 | US20040049382 Voice encoding system, and voice encoding method |
| 03/11/2004 | US20040049381 Speech coding method and speech coder |
| 03/11/2004 | US20040049380 Audio decoder and audio decoding method |
| 03/11/2004 | US20040049379 Multi-channel audio encoding and decoding |
| 03/11/2004 | US20040049378 Audio signal encoder |
| 03/11/2004 | US20040049377 Speech to data converter |
| 03/11/2004 | US20040049376 Method and device for the generation of a scalable data stream and method and device for decoding a scalable data stream |
| 03/11/2004 | US20040047369 Method and apparatus for using and combining sub-frame processing and adaptive jitter-buffers for improved voice quality in voice -over-packet networks |
| 03/10/2004 | EP1396938A1 Sub-band adaptive differential pulse code modulation/encoding apparatus, sub-band adaptive differential pulse code modulation/encoding method, wireless transmission system, sub-band adaptive differential pulse code modulation/decoding apparatus, sub-band adaptive differential pulse code modulation/d |
| 03/10/2004 | EP1396844A1 Unified lossy and lossless audio compression |
| 03/10/2004 | EP1396843A1 Mixed lossless audio compression |
| 03/10/2004 | EP1396842A1 Innovations in pure lossless audio compression |
| 03/10/2004 | EP1396841A1 Encoding apparatus and method; decoding apparatus and method; and program |
| 03/10/2004 | EP1396166A1 A method for enabling a subscriber entity to actively communicate in a communication network |
| 03/10/2004 | EP1395982A1 Adpcm speech coding system with phase-smearing and phase-desmearing filters |
| 03/10/2004 | EP1395981A1 Device and method for processing an audio signal |
| 03/10/2004 | EP1395980A1 Audio coding |
| 03/10/2004 | EP1395978A2 Method and apparatus for speech reconstruction in a distributed speech recognition system |
| 03/10/2004 | EP1395898A1 Dictating machine providing voice data with setup information |
| 03/10/2004 | CN1481643A Transmission and reception of audio and/or video material |
| 03/10/2004 | CN1481547A Encoding audio signals |
| 03/10/2004 | CN1481546A Enhancing source coding systems by adaptive transposition |
| 03/10/2004 | CN1481545A Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| 03/10/2004 | CN1480940A Recording medium for recording data compressed compound signal |
| 03/09/2004 | US6704869 Extracting digital watermarks using logarithmic sampling and symmetrical attributes |
| 03/09/2004 | US6704706 Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec |
| 03/09/2004 | US6704705 Perceptual audio coding |
| 03/09/2004 | US6704704 System and method for tracking and automatically adjusting gain |
| 03/09/2004 | US6704703 Recursively excited linear prediction speech coder |
| 03/09/2004 | US6704701 Bi-directional pitch enhancement in speech coding systems |
| 03/09/2004 | US6704372 Digital implementation of multi-channel demodulators |
| 03/09/2004 | US6703948 Method for decoding digital audio data |
| 03/04/2004 | WO2004019497A1 Signal encoding device, method, signal decoding device, and method |
| 03/04/2004 | WO2004019317A2 Identification end exclusion of pause frames for speech storage, transmission and playback |
| 03/04/2004 | WO2004006226B1 Method and device for efficient in-band dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems |