| 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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| 05/23/2002 | WO2002041545A2 Wireless clock synchronization |
| 05/23/2002 | WO2002041504A2 Methods and apparatus for identifying asset location in communication networks |
| 05/23/2002 | WO2002041302A1 Enhancing the performance of coding systems that use high frequency reconstruction methods |
| 05/23/2002 | WO2002041301A1 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| 05/23/2002 | US20020062412 Recording/reproducing apparatus using an IC memory |
| 05/23/2002 | US20020062211 Easily tunable auditory-based speech signal feature extraction method and apparatus for use in automatic speech recognition |
| 05/23/2002 | US20020061121 Methods and sytems using multiple watermarks |
| 05/23/2002 | US20020061120 Self validating security documents utilizing watermarks |
| 05/23/2002 | US20020061112 Dynamics reduction for dynamics-limited audio systems |
| 05/23/2002 | CA2398781A1 Wireless clock synchronization |
| 05/22/2002 | EP1207519A1 Audio decoder and coding error compensating method |
| 05/22/2002 | EP1206857A2 Method and apparatus for transmission and reception of compressed audio frames with prioritized messages for digital audio broadcasting |
| 05/22/2002 | EP1206840A1 Method and device for coding/decoding |
| 05/22/2002 | EP1121760B1 Device and method for coding data with a fire code |
| 05/22/2002 | CN1350283A Method for processing audio frequency |
| 05/22/2002 | CN1085373C Portable recording/reproducing device, using IC memory card recording format, and recording/reproducing method |
| 05/21/2002 | US6393400 Intelligent optical disk with speech synthesizing capabilities |
| 05/21/2002 | US6393394 Method and apparatus for interleaving line spectral information quantization methods in a speech coder |
| 05/21/2002 | US6393392 Multi-channel signal encoding and decoding |
| 05/21/2002 | US6393391 Speech coder for high quality at low bit rates |
| 05/21/2002 | US6393390 LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor and optimized ternary source excitation codebook derivation |
| 05/21/2002 | US6393203 Signal compressing apparatus |
| 05/16/2002 | WO2002039739A1 Method and device for communicating a command |
| 05/16/2002 | WO2002039430A1 Wideband extension of telephone speech for higher perceptual quality |
| 05/16/2002 | WO2002023532A3 System of dynamic pulse position tracks for pulse-like excitation in speech coding |
| 05/16/2002 | WO2002015410A3 Low latency data encoder |
| 05/16/2002 | US20020059572 Network, transmitter terminal and method of forming an access point in a data stream |
| 05/16/2002 | US20020059550 Time-varying randomization for data synchronization and implicit information transmission |
| 05/16/2002 | US20020059535 Wireless clock synchronization |
| 05/16/2002 | US20020059522 Data Administration method |
| 05/16/2002 | US20020059483 VoIP system and method for preventing data loss in the same |
| 05/16/2002 | US20020059065 Speech processing system |
| 05/16/2002 | US20020059063 Encoding apparatus and method, recording medium, and decoding apparatus and method |
| 05/16/2002 | US20020059062 LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor and optimized ternary source excitation codebook derivation |
| 05/16/2002 | US20020059061 Transmission-reception system, transmission apparatus, reception apparatus and transmission-reception method |
| 05/16/2002 | US20020059060 Internet telephone and method for recovering voice data lost therein |
| 05/16/2002 | US20020059059 Auxiliary channel masking in an audio signal |
| 05/16/2002 | US20020058294 Screening sample for botulin toxins; obtain sample, incubate with antibody, remove unbound antibody, incubate with avidin linked enzyme, measure optical density |
| 05/15/2002 | EP1205045A1 Acoustic communication system |
| 05/15/2002 | EP1204970A1 Improving sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
| 05/15/2002 | EP1204969A1 Spectral magnitude quantization for a speech coder |
| 05/15/2002 | EP1204968A1 Method and apparatus for subsampling phase spectrum information |
| 05/15/2002 | EP1204967A1 Method and apparatus for providing feedback from decoder to encoder to improve performance in a predictive speech coder under frame erasure conditions |
| 05/15/2002 | EP1204965A1 Method and system for measurement of speech distortion from samples of telephonic voice signals |
| 05/15/2002 | EP1204963A1 Method for digitally recording an analog audio signal with automatic indexing |
| 05/15/2002 | EP1204962A1 Speech coding with voice activity detection for accommodating music signals |
| 05/15/2002 | CN1349649A 多格式个人数字音频播放机 Individual multi-format digital audio player |
| 05/15/2002 | CN1349647A Portable data storage/audio reproduction apparatus |
| 05/15/2002 | CN1349646A Method and apparatus for processing digitally encoded audio data |
| 05/15/2002 | CN1349178A Information processing device and method, and its program storage medium |
| 05/14/2002 | US6389391 Voice coding and decoding in mobile communication equipment |
| 05/14/2002 | US6389388 Encoding a speech signal using code excited linear prediction using a plurality of codebooks |
| 05/14/2002 | US6389377 Methods and apparatus for acoustic transient processing |
| 05/14/2002 | US6389151 Printing and validation of self validating security documents |
| 05/14/2002 | US6389059 Multi-band, multi-mode spread-spectrum communication system |
| 05/14/2002 | US6389006 Systems and methods for encoding and decoding speech for lossy transmission networks |
| 05/14/2002 | US6389001 Method for downloading data to add functions to vocoder |
| 05/10/2002 | WO2002037688A1 Parametric coding of audio signals |
| 05/10/2002 | WO2002037477A1 Speech codec and method for generating a vector codebook and encoding/decoding speech signals |
| 05/10/2002 | WO2002037476A1 Sinusoidal model based coding of audio signals |
| 05/10/2002 | WO2002037475A1 Method and system for speech frame error concealment in speech decoding |
| 05/10/2002 | WO2001080423A3 Method and apparatus for dynamic sound optimization |
| 05/10/2002 | WO2001043503A3 Method and device for processing a stereo audio signal |
| 05/09/2002 | US20020056048 Record medium, recording apparatus for record medium, recording method for record medium, reproducing apparatus for record medium, reproducing medium for record medium, and data output controlling method |
| 05/09/2002 | US20020055843 Systems and methods for voice synthesis |
| 05/09/2002 | US20020055837 Processing a speech frame in a radio system |
| 05/09/2002 | US20020055836 Speech coder/decoder |
| 05/09/2002 | US20020054646 Encoding apparatus and decoding apparatus |
| 05/09/2002 | US20020054571 Method for reducing the number of vocoders in a wireless network |
| 05/09/2002 | US20020054077 Method, software product and system for reproducing video/audio data |
| 05/09/2002 | US20020054074 Description scheme and browsing method for audio/video summary |
| 05/08/2002 | EP1204095A1 Sound switching device |
| 05/08/2002 | EP1204094A2 Frequency dependent long term prediction analysis for speech coding |
| 05/08/2002 | EP1204093A1 Discontinuous comfort noise transmission |
| 05/08/2002 | EP1204092A2 Speech decoder capable of decoding background noise signal with high quality |
| 05/08/2002 | EP1203370A1 Method for improving the coding efficiency of an audio signal |
| 05/08/2002 | EP1203369A1 Sinusoidal coding |
| 05/08/2002 | EP1203365A2 Method of and system for coding and decoding sound signals |
| 05/08/2002 | CN1348590A Embedding first digital information signal into a second digital information signal for transmission via a transmission medium |
| 05/08/2002 | CN1348582A Synthesis of speech from pitch prototype waveforms by time-synchronous waveform interpolation |
| 05/08/2002 | CN1084569C Selector and multiple vocoder interface apparatus in mobile communication system and method thereof |
| 05/07/2002 | US6385704 Accessing shared memory using token bit held by default by a single processor |
| 05/07/2002 | US6385587 Constant bitrate real-time lossless audio encoding and decoding by moving excess data amounts |
| 05/07/2002 | US6385585 Embedded data in a coded voice channel |
| 05/07/2002 | US6385578 Method for eliminating annoying noises of enhanced variable rate codec (EVRC) during error packet processing |
| 05/07/2002 | US6385577 Multiple impulse excitation speech encoder and decoder |
| 05/07/2002 | US6385576 Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch |
| 05/07/2002 | US6385575 Constraint relieving vector quantization apparatus and vector quantization method having constraints in quantization vectors |
| 05/07/2002 | US6385574 Reusing invalid pulse positions in CELP vocoding |
| 05/07/2002 | US6385573 Adaptive tilt compensation for synthesized speech residual |
| 05/07/2002 | US6385572 System and method for efficiently implementing a masking function in a psycho-acoustic modeler |
| 05/07/2002 | US6385571 High quality audio encoding/decoding apparatus and digital versatile disc |
| 05/07/2002 | US6385189 Method and apparatus for compressing and transmitting high speed data |
| 05/07/2002 | US6384759 Method and apparatus for sample rate pre-and post-processing to achieve maximal coding gain for transform-based audio encoding and decoding |
| 05/07/2002 | CA2166140C Speech pitch lag coding apparatus and method |
| 05/02/2002 | WO2002035856A2 Methods and apparatus for efficient vocoder implementations |
| 05/02/2002 | WO2002035850A1 Method, device and arrangement for inserting extra information |
| 05/02/2002 | WO2002035836A1 Receiver, transmitter, transmitting/receiving system, receiving method, transmitting method, transmitting/receiving method, program, and medium |
| 05/02/2002 | WO2002035747A2 Rendering device and arrangement |
| 05/02/2002 | WO2002035523A2 System for vector quantization search for noise feedback based coding of speech |