| 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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| 07/10/2002 | CN1357877A Signal processing method and flexible filter for perception audio encoding |
| 07/09/2002 | US6418408 Frequency domain interpolative speech codec system |
| 07/09/2002 | US6418407 Method and apparatus for pitch determination of a low bit rate digital voice message |
| 07/09/2002 | US6418405 Method and apparatus for dynamic segmentation of a low bit rate digital voice message |
| 07/09/2002 | US6418404 System and method for effectively implementing fixed masking thresholds in an audio encoder device |
| 07/09/2002 | US6418163 Method and apparatus for decoding variable rate data using hypothesis testing to determine data rate |
| 07/04/2002 | WO2002052828A1 Processing apparatus for acquired signals |
| 07/04/2002 | WO2002052820A1 Method and platform for evaluating speech quality in telephone communications |
| 07/04/2002 | WO2002052744A1 Speech transmitting device and method, speech receiving device and method, speech transmitting/receiving system and method, and recorded medium |
| 07/04/2002 | WO2002052732A1 Encoder and decoder |
| 07/04/2002 | WO2002052545A1 Enhancing source coding systems by adaptive transposition |
| 07/04/2002 | WO2002052240A1 Method and a communication apparatus in a communication system |
| 07/04/2002 | WO2002035520A3 Improved spectral parameter substitution for the frame error concealment in a speech decoder |
| 07/04/2002 | WO2002033695A3 Method and apparatus for coding of unvoiced speech |
| 07/04/2002 | WO2002030098A3 Method and system for rate adaptation in a packet voice system |
| 07/04/2002 | WO2002023537A8 System for enhancing perceptual quality of decoded speech |
| 07/04/2002 | WO2002023535A8 Multimode speech coder |
| 07/04/2002 | WO2001078271A3 System and method for adding an inaudible code to an audio signal and method and apparatus for reading a code signal from an audio signal |
| 07/04/2002 | WO2000054253A9 Apparatus, system and method for speech compression and decompression |
| 07/04/2002 | US20020087863 Apparatus and method for watermark embedding and detection using linear prediction analysis |
| 07/04/2002 | US20020087330 Method of communicating a set of audio content |
| 07/04/2002 | US20020087308 Speech decoder capable of decoding background noise signal with high quality |
| 07/04/2002 | US20020087304 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| 07/04/2002 | US20020085718 Steganography decoding methods employing error information |
| 07/03/2002 | EP1220218A2 Method and apparatus for processing digital audio signal |
| 07/03/2002 | EP1220215A2 Standalone MP3 recording station |
| 07/03/2002 | EP1220203A2 Method and apparatus for the determination of scale factors for an audio signal coder |
| 07/03/2002 | EP1220202A1 System and method for coding and decoding speaker-independent and speaker-dependent speech information |
| 07/03/2002 | EP1218875A1 Method for decreasing the processing capacity required by speech encoding and a network element |
| 07/03/2002 | EP0716409B1 Speech coding system |
| 07/03/2002 | CN1357136A Improving sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
| 07/03/2002 | CN1356787A Sound signal encoding device and method |
| 07/02/2002 | US6415255 Apparatus and method for an array processing accelerator for a digital signal processor |
| 07/02/2002 | US6415254 Sound encoder and sound decoder |
| 07/02/2002 | US6415252 Method and apparatus for coding and decoding speech |
| 07/02/2002 | US6415251 Subband coder or decoder band-limiting the overlap region between a processed subband and an adjacent non-processed one |
| 07/02/2002 | US6414620 Sound processing system |
| 07/02/2002 | CA2231925C Speech coding method |
| 06/27/2002 | WO2002050834A1 Reproducing device, reproducing method and audio data storage medium |
| 06/27/2002 | WO2002023534A3 Selection of coding parameters based on spectral content of a speech signal |
| 06/27/2002 | US20020083433 Information processing apparatus, information delivery system, information processing method, and recording medium |
| 06/27/2002 | US20020083238 Apparatus and method of storing/reproducing data |
| 06/27/2002 | US20020082828 Method and apparatus to prepare listener-interest-filtered works |
| 06/27/2002 | US20020082827 Error concealment in digital transmissions |
| 06/27/2002 | US20020080997 Compression-enhanced watermarking |
| 06/27/2002 | US20020080996 Digital watermarks and methods for security documents |
| 06/27/2002 | US20020080995 Digital watermarks and methods for security documents |
| 06/27/2002 | US20020080993 Hiding encrypted messages in information carriers |
| 06/27/2002 | US20020080872 Data compression, control program for controlling the data compression |
| 06/27/2002 | US20020080399 Data processing apparatus, data processing method, data processing program, and computer-readable memory storing codes of data processing program |
| 06/27/2002 | US20020080271 Method and device communicating a command |
| 06/27/2002 | DE19933541C2 Verfahren für ein digitales Lerngerät zur digitalen Aufzeichnung eines analogen Audio-Signals mit automatischer Indexierung Learning method for a digital device for digitally recording an analog audio signal with automatic indexing |
| 06/26/2002 | EP1217625A2 Removable face plate compressed digital music player |
| 06/26/2002 | EP1217614A1 Vector quantization codebook generation method |
| 06/26/2002 | EP1217613A1 Reconstitution of missing or bad frames in cellular telephony |
| 06/26/2002 | EP1217612A1 Audio player |
| 06/26/2002 | EP1216527A1 Apparatus and method for de-esser using adaptive filtering algorithms |
| 06/26/2002 | EP1216504A1 Spectrum modeling |
| 06/26/2002 | EP1216474A1 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| 06/26/2002 | EP1216471A1 Musical instrument digital recording device with interference |
| 06/26/2002 | EP0958664B1 Audio compression |
| 06/26/2002 | EP0737350B1 System and method for performing voice compression |
| 06/26/2002 | CN1355915A Multipulse interpolative coding of transition speech frames |
| 06/26/2002 | CN1355611A Long-and short-block switching method based on aware entropy in wavelet audio encode |
| 06/25/2002 | US6411725 Watermark enabled video objects |
| 06/25/2002 | US6411245 Signal processing circuit |
| 06/25/2002 | CA2242437C Voice coding and decoding system |
| 06/25/2002 | CA2196565C Signal-processing method and device for substituting non-correctable blocks in a receiver for block-coded audio signals |
| 06/20/2002 | WO2002049363A1 Method and system of digital watermarking for compressed audio |
| 06/20/2002 | WO2002049343A1 Transmission and reception of audio and/or video material |
| 06/20/2002 | WO2002049218A1 Encoder and decoder |
| 06/20/2002 | WO2002049032A1 Digital recording/reproducing apparatus |
| 06/20/2002 | WO2002049008A1 Encoding audio signals |
| 06/20/2002 | WO2002049007A1 Digital recording device, and digital reproducing device |
| 06/20/2002 | WO2002049001A1 Information extracting device |
| 06/20/2002 | WO2002029780A3 Speech detection with source separation |
| 06/20/2002 | WO2002023530A3 Quantization of spectral sequences for audio signal coding |
| 06/20/2002 | WO2002017538A3 Fixed, variable and adaptive bit rate data source encoding (compression) method |
| 06/20/2002 | WO2002017500A3 Method and apparatus for using non-symmetric speech coders to produce non-symmetric links in a wireless communication system |
| 06/20/2002 | US20020078438 Video signal analysis and storage |
| 06/20/2002 | US20020078359 Apparatus for embedding and detecting watermark and method thereof |
| 06/20/2002 | US20020078357 Method, device and arrangement for inserting extra information |
| 06/20/2002 | US20020077834 Removable face plate compressed digital music player |
| 06/20/2002 | US20020077827 System and method for formatting voice data in a mobile telecommunication system |
| 06/20/2002 | US20020077819 Voice prompt transcriber and test system |
| 06/20/2002 | US20020077812 Voice code conversion apparatus |
| 06/20/2002 | US20020077713 Low power digital audio decoding/playing system for computing devices |
| 06/20/2002 | US20020076081 Digital watermarks and postage |
| 06/20/2002 | US20020075965 Digital signal processing techniques for improving audio clarity and intelligibility |
| 06/20/2002 | US20020075815 Computer-based multi-media communications system and method |
| 06/20/2002 | US20020075777 Method and apparatus for processing digital audio signal |
| 06/20/2002 | US20020075464 Printing of image with related sound |
| 06/19/2002 | EP1215910A2 Watermarking |
| 06/19/2002 | EP1215674A2 Data transfer and recording of copyright protected content data |
| 06/19/2002 | EP1215663A1 Encoding audio signals |
| 06/19/2002 | EP1214866A2 Subband acoustic feedback cancellation in hearing aids |
| 06/19/2002 | EP1214800A1 Personal information system, especially a personal guide system, for wirelessly transmitting voice information |
| 06/19/2002 | EP1214706A1 Multimode speech encoder |
| 06/19/2002 | EP1214705A1 Method and apparatus for maintaining a target bit rate in a speech coder |
| 06/19/2002 | CN1354872A Speech coding with comfort noise variability feature for increased fidelity |