CN1185624C - 具有自适应编码配置的语音编码系统 - Google Patents
具有自适应编码配置的语音编码系统 Download PDFInfo
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- CN1185624C CN1185624C CNB018156401A CN01815640A CN1185624C CN 1185624 C CN1185624 C CN 1185624C CN B018156401 A CNB018156401 A CN B018156401A CN 01815640 A CN01815640 A CN 01815640A CN 1185624 C CN1185624 C CN 1185624C
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- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
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- G10L19/02—Speech or audio signals 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 using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals 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 using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
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- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
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- G10L19/16—Vocoder architecture
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Abstract
Description
Claims (29)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/663,002 US7072832B1 (en) | 1998-08-24 | 2000-09-15 | System for speech encoding having an adaptive encoding arrangement |
US09/663,002 | 2000-09-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1457485A CN1457485A (zh) | 2003-11-19 |
CN1185624C true CN1185624C (zh) | 2005-01-19 |
Family
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Application Number | Title | Priority Date | Filing Date |
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CNB018156401A Expired - Lifetime CN1185624C (zh) | 2000-09-15 | 2001-09-17 | 具有自适应编码配置的语音编码系统 |
Country Status (6)
Country | Link |
---|---|
US (12) | US7072832B1 (zh) |
EP (1) | EP1328924A1 (zh) |
KR (1) | KR20030046452A (zh) |
CN (1) | CN1185624C (zh) |
AU (1) | AU2001287972A1 (zh) |
WO (1) | WO2002023535A1 (zh) |
Families Citing this family (127)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
CA2365203A1 (en) * | 2001-12-14 | 2003-06-14 | Voiceage Corporation | A signal modification method for efficient coding of speech signals |
EP1383113A1 (fr) * | 2002-07-17 | 2004-01-21 | STMicroelectronics N.V. | Procédé et dispositif d'encodage de la parole à bande élargie capable de contrôler indépendamment les distorsions à court terme et à long terme |
FR2850781B1 (fr) * | 2003-01-30 | 2005-05-06 | Jean Luc Crebouw | Procede pour le traitement numerique differencie de la voix et de la musique, le filtrage du bruit, la creation d'effets speciaux et dispositif pour la mise en oeuvre dudit procede |
US20040167772A1 (en) * | 2003-02-26 | 2004-08-26 | Engin Erzin | Speech coding and decoding in a voice communication system |
US7044245B2 (en) * | 2003-06-17 | 2006-05-16 | Science Applications International Corporation | Toroidal propulsion and steering system |
CA2454296A1 (en) * | 2003-12-29 | 2005-06-29 | Nokia Corporation | Method and device for speech enhancement in the presence of background noise |
WO2006009074A1 (ja) * | 2004-07-20 | 2006-01-26 | Matsushita Electric Industrial Co., Ltd. | 音声復号化装置および補償フレーム生成方法 |
JP4889646B2 (ja) | 2004-10-12 | 2012-03-07 | アウェア, インコーポレイテッド | 電気通信環境における資源の共有 |
US8093484B2 (en) * | 2004-10-29 | 2012-01-10 | Zenph Sound Innovations, Inc. | Methods, systems and computer program products for regenerating audio performances |
US7598447B2 (en) * | 2004-10-29 | 2009-10-06 | Zenph Studios, Inc. | Methods, systems and computer program products for detecting musical notes in an audio signal |
ATE520124T1 (de) * | 2004-12-10 | 2011-08-15 | Panasonic Corp | Breitband-codierungseinrichtung, breitband-lsp- prädiktionseinrichtung, bandskalierbare codierungseinrichtung, breitband- codierungsverfahren |
US7831421B2 (en) * | 2005-05-31 | 2010-11-09 | Microsoft Corporation | Robust decoder |
US7177804B2 (en) * | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
US9058812B2 (en) * | 2005-07-27 | 2015-06-16 | Google Technology Holdings LLC | Method and system for coding an information signal using pitch delay contour adjustment |
US7991611B2 (en) * | 2005-10-14 | 2011-08-02 | Panasonic Corporation | Speech encoding apparatus and speech encoding method that encode speech signals in a scalable manner, and speech decoding apparatus and speech decoding method that decode scalable encoded signals |
DE602006015712D1 (de) * | 2006-03-20 | 2010-09-02 | Mindspeed Tech Inc | Tonhöhen-track-glättung in offener schleife |
KR100735343B1 (ko) * | 2006-04-11 | 2007-07-04 | 삼성전자주식회사 | 음성신호의 피치 정보 추출장치 및 방법 |
EP3866416B1 (en) | 2006-04-12 | 2023-08-23 | TQ Delta, LLC | Method and apparatus for packet retransmission and memory sharing |
US8032370B2 (en) | 2006-05-09 | 2011-10-04 | Nokia Corporation | Method, apparatus, system and software product for adaptation of voice activity detection parameters based on the quality of the coding modes |
US8712766B2 (en) * | 2006-05-16 | 2014-04-29 | Motorola Mobility Llc | Method and system for coding an information signal using closed loop adaptive bit allocation |
ATE533289T1 (de) * | 2006-05-26 | 2011-11-15 | Incard Sa | Verfahren zum implementieren von voice over ip mittels eines mit einem paketorientierten netz verbundenen elektronischen geräts |
US8725499B2 (en) * | 2006-07-31 | 2014-05-13 | Qualcomm Incorporated | Systems, methods, and apparatus for signal change detection |
US8239190B2 (en) * | 2006-08-22 | 2012-08-07 | Qualcomm Incorporated | Time-warping frames of wideband vocoder |
EP2102619B1 (en) * | 2006-10-24 | 2017-03-22 | Voiceage Corporation | Method and device for coding transition frames in speech signals |
US7521622B1 (en) * | 2007-02-16 | 2009-04-21 | Hewlett-Packard Development Company, L.P. | Noise-resistant detection of harmonic segments of audio signals |
WO2008108083A1 (ja) * | 2007-03-02 | 2008-09-12 | Panasonic Corporation | 音声符号化装置および音声符号化方法 |
JP4882899B2 (ja) * | 2007-07-25 | 2012-02-22 | ソニー株式会社 | 音声解析装置、および音声解析方法、並びにコンピュータ・プログラム |
KR101403340B1 (ko) * | 2007-08-02 | 2014-06-09 | 삼성전자주식회사 | 변환 부호화 방법 및 장치 |
US20100274556A1 (en) * | 2008-01-16 | 2010-10-28 | Panasonic Corporation | Vector quantizer, vector inverse quantizer, and methods therefor |
EP2107556A1 (en) * | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transform coding using pitch correction |
US8909361B2 (en) * | 2008-06-19 | 2014-12-09 | Broadcom Corporation | Method and system for processing high quality audio in a hardware audio codec for audio transmission |
US9378751B2 (en) * | 2008-06-19 | 2016-06-28 | Broadcom Corporation | Method and system for digital gain processing in a hardware audio CODEC for audio transmission |
WO2010003068A1 (en) * | 2008-07-03 | 2010-01-07 | The Board Of Trustees Of The University Of Illinois | Systems and methods for identifying speech sound features |
ES2650492T3 (es) * | 2008-07-10 | 2018-01-18 | Voiceage Corporation | Dispositivo y método de cuantificación de filtro LPC de múltiples referencias |
CN102089812B (zh) * | 2008-07-11 | 2013-03-20 | 弗劳恩霍夫应用研究促进协会 | 用以使用混叠切换方案将音频信号编码/解码的装置与方法 |
US20100057473A1 (en) * | 2008-08-26 | 2010-03-04 | Hongwei Kong | Method and system for dual voice path processing in an audio codec |
US20100057475A1 (en) * | 2008-08-26 | 2010-03-04 | Nelson Sollenberger | Method and system for digital gain control in an audio codec |
US8706479B2 (en) * | 2008-11-14 | 2014-04-22 | Broadcom Corporation | Packet loss concealment for sub-band codecs |
FR2938688A1 (fr) * | 2008-11-18 | 2010-05-21 | France Telecom | Codage avec mise en forme du bruit dans un codeur hierarchique |
KR101797033B1 (ko) | 2008-12-05 | 2017-11-14 | 삼성전자주식회사 | 부호화 모드를 이용한 음성신호의 부호화/복호화 장치 및 방법 |
CN101615395B (zh) * | 2008-12-31 | 2011-01-12 | 华为技术有限公司 | 信号编码、解码方法及装置、系统 |
GB2466673B (en) | 2009-01-06 | 2012-11-07 | Skype | Quantization |
GB2466671B (en) * | 2009-01-06 | 2013-03-27 | Skype | Speech encoding |
GB2466669B (en) * | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466670B (en) * | 2009-01-06 | 2012-11-14 | Skype | Speech encoding |
GB2466675B (en) * | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466674B (en) | 2009-01-06 | 2013-11-13 | Skype | Speech coding |
GB2466672B (en) * | 2009-01-06 | 2013-03-13 | Skype | Speech coding |
CN101615910B (zh) | 2009-05-31 | 2010-12-22 | 华为技术有限公司 | 压缩编码的方法、装置和设备以及压缩解码方法 |
CN101931414B (zh) * | 2009-06-19 | 2013-04-24 | 华为技术有限公司 | 脉冲编码方法及装置、脉冲解码方法及装置 |
EP2444966B1 (en) * | 2009-06-19 | 2019-07-10 | Fujitsu Limited | Audio signal processing device and audio signal processing method |
US8452606B2 (en) * | 2009-09-29 | 2013-05-28 | Skype | Speech encoding using multiple bit rates |
BR112012009375B1 (pt) * | 2009-10-21 | 2020-09-24 | Dolby International Ab. | Sistema configurado para gerar um componente de alta frequência de um sinal de áudio, método para gerar um componente de alta frequência de um sinal de áudio e método para projetar um transpositor de harmônicos |
EP2511904A4 (en) * | 2009-12-10 | 2013-08-21 | Lg Electronics Inc | METHOD AND APPARATUS FOR ENCODING A SPEECH SIGNAL |
CN101789240B (zh) * | 2009-12-25 | 2012-04-25 | 华为技术有限公司 | 语音信号处理方法和装置以及通信系统 |
EP2559028B1 (en) * | 2010-04-14 | 2015-09-16 | VoiceAge Corporation | Flexible and scalable combined innovation codebook for use in celp coder and decoder |
US8958510B1 (en) * | 2010-06-10 | 2015-02-17 | Fredric J. Harris | Selectable bandwidth filter |
FR2961937A1 (fr) * | 2010-06-29 | 2011-12-30 | France Telecom | Codage/decodage predictif lineaire adaptatif |
CN102340741B (zh) * | 2010-07-20 | 2014-02-19 | 华为技术有限公司 | 数据调制、解调方法及频谱管理方法、装置和系统 |
CN102385858B (zh) | 2010-08-31 | 2013-06-05 | 国际商业机器公司 | 情感语音合成方法和系统 |
US8924200B2 (en) * | 2010-10-15 | 2014-12-30 | Motorola Mobility Llc | Audio signal bandwidth extension in CELP-based speech coder |
AU2012218778B2 (en) * | 2011-02-15 | 2016-10-20 | Voiceage Evs Llc | Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a celp codec |
US9626982B2 (en) * | 2011-02-15 | 2017-04-18 | Voiceage Corporation | Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec |
US20140114653A1 (en) * | 2011-05-06 | 2014-04-24 | Nokia Corporation | Pitch estimator |
NO2669468T3 (zh) * | 2011-05-11 | 2018-06-02 | ||
WO2013019562A2 (en) * | 2011-07-29 | 2013-02-07 | Dts Llc. | Adaptive voice intelligibility processor |
JP2013076871A (ja) * | 2011-09-30 | 2013-04-25 | Oki Electric Ind Co Ltd | 音声符号化装置及びプログラム、音声復号装置及びプログラム、並びに、音声符号化システム |
US9583108B2 (en) * | 2011-12-08 | 2017-02-28 | Forrest S. Baker III Trust | Voice detection for automated communication system |
EP2798631B1 (en) * | 2011-12-21 | 2016-03-23 | Huawei Technologies Co., Ltd. | Adaptively encoding pitch lag for voiced speech |
EP3573060B1 (en) | 2011-12-21 | 2023-05-03 | Huawei Technologies Co., Ltd. | Very short pitch detection and coding |
US9111531B2 (en) * | 2012-01-13 | 2015-08-18 | Qualcomm Incorporated | Multiple coding mode signal classification |
US9972325B2 (en) * | 2012-02-17 | 2018-05-15 | Huawei Technologies Co., Ltd. | System and method for mixed codebook excitation for speech coding |
US9064497B2 (en) * | 2012-02-22 | 2015-06-23 | Htc Corporation | Method and apparatus for audio intelligibility enhancement and computing apparatus |
US8949118B2 (en) * | 2012-03-19 | 2015-02-03 | Vocalzoom Systems Ltd. | System and method for robust estimation and tracking the fundamental frequency of pseudo periodic signals in the presence of noise |
US9263053B2 (en) * | 2012-04-04 | 2016-02-16 | Google Technology Holdings LLC | Method and apparatus for generating a candidate code-vector to code an informational signal |
US9070356B2 (en) * | 2012-04-04 | 2015-06-30 | Google Technology Holdings LLC | Method and apparatus for generating a candidate code-vector to code an informational signal |
US9947331B2 (en) * | 2012-05-23 | 2018-04-17 | Nippon Telegraph And Telephone Corporation | Encoding method, decoding method, encoder, decoder, program and recording medium |
US9805738B2 (en) * | 2012-09-04 | 2017-10-31 | Nuance Communications, Inc. | Formant dependent speech signal enhancement |
US10199043B2 (en) * | 2012-09-07 | 2019-02-05 | Dts, Inc. | Scalable code excited linear prediction bitstream repacked from a higher to a lower bitrate by discarding insignificant frame data |
CA2886140C (en) | 2012-11-15 | 2021-03-23 | Ntt Docomo, Inc. | Audio coding device, audio coding method, audio coding program, audio decoding device, audio decoding method, and audio decoding program |
JP2014123011A (ja) * | 2012-12-21 | 2014-07-03 | Sony Corp | 雑音検出装置および方法、並びに、プログラム |
KR101433712B1 (ko) * | 2013-03-07 | 2014-08-27 | 순환엔지니어링 주식회사 | 리니어 모션 스테이지의 제어 장치 |
JP6305694B2 (ja) * | 2013-05-31 | 2018-04-04 | クラリオン株式会社 | 信号処理装置及び信号処理方法 |
RU2665253C2 (ru) * | 2013-06-21 | 2018-08-28 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для улучшенного маскирования адаптивной таблицы кодирования при acelp-образном маскировании с использованием улучшенной оценки запаздывания основного тона |
TR201808890T4 (tr) | 2013-06-21 | 2018-07-23 | Fraunhofer Ges Forschung | Bir konuşma çerçevesinin yeniden yapılandırılması. |
FR3008533A1 (fr) | 2013-07-12 | 2015-01-16 | Orange | Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences |
CN107818789B (zh) | 2013-07-16 | 2020-11-17 | 华为技术有限公司 | 解码方法和解码装置 |
US9418671B2 (en) * | 2013-08-15 | 2016-08-16 | Huawei Technologies Co., Ltd. | Adaptive high-pass post-filter |
CN105761723B (zh) * | 2013-09-26 | 2019-01-15 | 华为技术有限公司 | 一种高频激励信号预测方法及装置 |
US20150100318A1 (en) * | 2013-10-04 | 2015-04-09 | Qualcomm Incorporated | Systems and methods for mitigating speech signal quality degradation |
CN106030703B (zh) * | 2013-12-17 | 2020-02-04 | 诺基亚技术有限公司 | 音频信号编码器 |
EP2922055A1 (en) | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using individual replacement LPC representations for individual codebook information |
EP2922054A1 (en) | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using an adaptive noise estimation |
EP2922056A1 (en) | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation |
US10515646B2 (en) | 2014-03-28 | 2019-12-24 | Samsung Electronics Co., Ltd. | Method and device for quantization of linear prediction coefficient and method and device for inverse quantization |
CN107077857B (zh) | 2014-05-07 | 2021-03-09 | 三星电子株式会社 | 对线性预测系数量化的方法和装置及解量化的方法和装置 |
US10255903B2 (en) * | 2014-05-28 | 2019-04-09 | Interactive Intelligence Group, Inc. | Method for forming the excitation signal for a glottal pulse model based parametric speech synthesis system |
US10014007B2 (en) * | 2014-05-28 | 2018-07-03 | Interactive Intelligence, Inc. | Method for forming the excitation signal for a glottal pulse model based parametric speech synthesis system |
US9378755B2 (en) | 2014-05-30 | 2016-06-28 | Apple Inc. | Detecting a user's voice activity using dynamic probabilistic models of speech features |
CN106486129B (zh) * | 2014-06-27 | 2019-10-25 | 华为技术有限公司 | 一种音频编码方法和装置 |
EP2980796A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for processing an audio signal, audio decoder, and audio encoder |
EP2980799A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing an audio signal using a harmonic post-filter |
EP3057097B1 (en) * | 2015-02-11 | 2017-09-27 | Nxp B.V. | Time zero convergence single microphone noise reduction |
US10403269B2 (en) | 2015-03-27 | 2019-09-03 | Google Llc | Processing audio waveforms |
EP3800639B1 (en) * | 2015-03-27 | 2022-12-28 | Dolby Laboratories Licensing Corporation | Adaptive audio filtering |
US10013883B2 (en) | 2015-06-22 | 2018-07-03 | Digital Ally, Inc. | Tracking and analysis of drivers within a fleet of vehicles |
US10339921B2 (en) | 2015-09-24 | 2019-07-02 | Google Llc | Multichannel raw-waveform neural networks |
US10229700B2 (en) | 2015-09-24 | 2019-03-12 | Google Llc | Voice activity detection |
US10283143B2 (en) * | 2016-04-08 | 2019-05-07 | Friday Harbor Llc | Estimating pitch of harmonic signals |
US10224058B2 (en) | 2016-09-07 | 2019-03-05 | Google Llc | Enhanced multi-channel acoustic models |
EP3306609A1 (en) * | 2016-10-04 | 2018-04-11 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for determining a pitch information |
US10140980B2 (en) | 2016-12-21 | 2018-11-27 | Google LCC | Complex linear projection for acoustic modeling |
US10529320B2 (en) | 2016-12-21 | 2020-01-07 | Google Llc | Complex evolution recurrent neural networks |
JP2018159759A (ja) | 2017-03-22 | 2018-10-11 | 株式会社東芝 | 音声処理装置、音声処理方法およびプログラム |
JP6646001B2 (ja) * | 2017-03-22 | 2020-02-14 | 株式会社東芝 | 音声処理装置、音声処理方法およびプログラム |
KR102736785B1 (ko) * | 2017-09-20 | 2024-12-03 | 보이세지 코포레이션 | 씨이엘피 코덱에 있어서 서브-프레임들간에 비트-예산을 할당하는 방법 및 디바이스 |
EP3719800B1 (en) * | 2017-12-01 | 2022-06-08 | Nippon Telegraph And Telephone Corporation | Pitch enhancement device, method therefor, and program |
JP6962269B2 (ja) * | 2018-05-10 | 2021-11-05 | 日本電信電話株式会社 | ピッチ強調装置、その方法、およびプログラム |
US10957331B2 (en) | 2018-12-17 | 2021-03-23 | Microsoft Technology Licensing, Llc | Phase reconstruction in a speech decoder |
US10847172B2 (en) * | 2018-12-17 | 2020-11-24 | Microsoft Technology Licensing, Llc | Phase quantization in a speech encoder |
US12254889B2 (en) * | 2019-01-03 | 2025-03-18 | Dolby International Ab | Method, apparatus and system for hybrid speech synthesis |
EP3903308A4 (en) * | 2019-01-13 | 2022-02-23 | Huawei Technologies Co., Ltd. | HIGH RESOLUTION AUDIO CODING |
JP7128420B2 (ja) * | 2019-02-28 | 2022-08-31 | 日本電信電話株式会社 | 信号処理方法、信号処理装置及び通信システム |
CN112181248B (zh) * | 2020-09-25 | 2022-04-12 | 广州南方卫星导航仪器有限公司 | 一种历史列表的操作方法和装置 |
US20230305111A1 (en) * | 2022-03-23 | 2023-09-28 | Nxp B.V. | Direction of arrival (doa) estimation using circular convolutional network |
CN115868940B (zh) * | 2023-02-27 | 2023-05-26 | 安徽通灵仿生科技有限公司 | 一种基于iabp的生理信号质量评估方法及装置 |
Family Cites Families (170)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58140798A (ja) * | 1982-02-15 | 1983-08-20 | 株式会社日立製作所 | 音声ピツチ抽出方法 |
US4720861A (en) * | 1985-12-24 | 1988-01-19 | Itt Defense Communications A Division Of Itt Corporation | Digital speech coding circuit |
US4969192A (en) | 1987-04-06 | 1990-11-06 | Voicecraft, Inc. | Vector adaptive predictive coder for speech and audio |
DE3853161T2 (de) * | 1988-10-19 | 1995-08-17 | Ibm | Vektorquantisierungscodierer. |
JPH0817278B2 (ja) | 1988-10-26 | 1996-02-21 | 北川工業株式会社 | 電磁波シールド用ガスケット |
JPH0782360B2 (ja) | 1989-10-02 | 1995-09-06 | 日本電信電話株式会社 | 音声分析合成方法 |
US5060269A (en) * | 1989-05-18 | 1991-10-22 | General Electric Company | Hybrid switched multi-pulse/stochastic speech coding technique |
JPH0332228A (ja) * | 1989-06-29 | 1991-02-12 | Fujitsu Ltd | ゲイン―シェイプ・ベクトル量子化方式 |
GB2235354A (en) * | 1989-08-16 | 1991-02-27 | Philips Electronic Associated | Speech coding/encoding using celp |
US5097508A (en) * | 1989-08-31 | 1992-03-17 | Codex Corporation | Digital speech coder having improved long term lag parameter determination |
IL95753A (en) * | 1989-10-17 | 1994-11-11 | Motorola Inc | Digital speech coder |
US4980916A (en) | 1989-10-26 | 1990-12-25 | General Electric Company | Method for improving speech quality in code excited linear predictive speech coding |
GB9013411D0 (en) * | 1990-06-15 | 1990-08-08 | Nat Power Plc | Improvements in or relating to glass ph electrodes |
JPH0451199A (ja) * | 1990-06-18 | 1992-02-19 | Fujitsu Ltd | 音声符号化・復号化方式 |
JPH0451200A (ja) | 1990-06-18 | 1992-02-19 | Fujitsu Ltd | 音声符号化方式 |
US5235669A (en) * | 1990-06-29 | 1993-08-10 | At&T Laboratories | Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec |
CA2051304C (en) * | 1990-09-18 | 1996-03-05 | Tomohiko Taniguchi | Speech coding and decoding system |
US5138661A (en) * | 1990-11-13 | 1992-08-11 | General Electric Company | Linear predictive codeword excited speech synthesizer |
US5293449A (en) * | 1990-11-23 | 1994-03-08 | Comsat Corporation | Analysis-by-synthesis 2,4 kbps linear predictive speech codec |
US5537509A (en) * | 1990-12-06 | 1996-07-16 | Hughes Electronics | Comfort noise generation for digital communication systems |
US5187591A (en) | 1991-01-24 | 1993-02-16 | Micom Communications Corp. | System for transmitting and receiving aural information and modulated data |
JPH04264597A (ja) | 1991-02-20 | 1992-09-21 | Fujitsu Ltd | 音声符号化装置および音声復号装置 |
US5265190A (en) * | 1991-05-31 | 1993-11-23 | Motorola, Inc. | CELP vocoder with efficient adaptive codebook search |
JP3432822B2 (ja) * | 1991-06-11 | 2003-08-04 | クゥアルコム・インコーポレイテッド | 可変速度ボコーダ |
DE4127490A1 (de) * | 1991-08-20 | 1993-02-25 | Fritz Stahlecker | Ringspinnmaschine |
US5657418A (en) * | 1991-09-05 | 1997-08-12 | Motorola, Inc. | Provision of speech coder gain information using multiple coding modes |
US5233660A (en) | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
SE469764B (sv) * | 1992-01-27 | 1993-09-06 | Ericsson Telefon Ab L M | Saett att koda en samplad talsignalvektor |
WO1993015558A2 (en) | 1992-01-31 | 1993-08-05 | Mark Terrell | Information compaction system |
US5339384A (en) * | 1992-02-18 | 1994-08-16 | At&T Bell Laboratories | Code-excited linear predictive coding with low delay for speech or audio signals |
US5765127A (en) * | 1992-03-18 | 1998-06-09 | Sony Corp | High efficiency encoding method |
US5239557A (en) | 1992-04-10 | 1993-08-24 | Ericsson/Ge Mobile Communications | Discountinuous CDMA reception |
JPH075898A (ja) | 1992-04-28 | 1995-01-10 | Technol Res Assoc Of Medical & Welfare Apparatus | 音声信号処理装置と破裂性抽出装置 |
US5630016A (en) * | 1992-05-28 | 1997-05-13 | Hughes Electronics | Comfort noise generation for digital communication systems |
US5495555A (en) * | 1992-06-01 | 1996-02-27 | Hughes Aircraft Company | High quality low bit rate celp-based speech codec |
US5734789A (en) | 1992-06-01 | 1998-03-31 | Hughes Electronics | Voiced, unvoiced or noise modes in a CELP vocoder |
US5327520A (en) * | 1992-06-04 | 1994-07-05 | At&T Bell Laboratories | Method of use of voice message coder/decoder |
US5313554A (en) * | 1992-06-16 | 1994-05-17 | At&T Bell Laboratories | Backward gain adaptation method in code excited linear prediction coders |
US5717824A (en) * | 1992-08-07 | 1998-02-10 | Pacific Communication Sciences, Inc. | Adaptive speech coder having code excited linear predictor with multiple codebook searches |
CA2108623A1 (en) * | 1992-11-02 | 1994-05-03 | Yi-Sheng Wang | Adaptive pitch pulse enhancer and method for use in a codebook excited linear prediction (celp) search loop |
WO1994011955A1 (en) * | 1992-11-06 | 1994-05-26 | Pericle Communications Company | Adaptive data rate modem |
JPH06186998A (ja) * | 1992-12-15 | 1994-07-08 | Nec Corp | 音声符号化装置のコードブック探索方式 |
US5854845A (en) | 1992-12-31 | 1998-12-29 | Intervoice Limited Partnership | Method and circuit for voice automatic gain control |
US5382949A (en) * | 1993-02-01 | 1995-01-17 | Motorola, Inc. | Method for increasing battery life for selective call receivers |
US5995539A (en) | 1993-03-17 | 1999-11-30 | Miller; William J. | Method and apparatus for signal transmission and reception |
US5367516A (en) * | 1993-03-17 | 1994-11-22 | Miller William J | Method and apparatus for signal transmission and reception |
US5491771A (en) * | 1993-03-26 | 1996-02-13 | Hughes Aircraft Company | Real-time implementation of a 8Kbps CELP coder on a DSP pair |
US5526464A (en) * | 1993-04-29 | 1996-06-11 | Northern Telecom Limited | Reducing search complexity for code-excited linear prediction (CELP) coding |
IT1270438B (it) | 1993-06-10 | 1997-05-05 | Sip | Procedimento e dispositivo per la determinazione del periodo del tono fondamentale e la classificazione del segnale vocale in codificatori numerici della voce |
EP0654909A4 (en) * | 1993-06-10 | 1997-09-10 | Oki Electric Ind Co Ltd | PREDICTIVE LINEAR ENCODER-ENCODER WITH CODES EXCITATION. |
CA2124713C (en) * | 1993-06-18 | 1998-09-22 | Willem Bastiaan Kleijn | Long term predictor |
US5621852A (en) | 1993-12-14 | 1997-04-15 | Interdigital Technology Corporation | Efficient codebook structure for code excited linear prediction coding |
CA2136891A1 (en) * | 1993-12-20 | 1995-06-21 | Kalyan Ganesan | Removal of swirl artifacts from celp based speech coders |
US5517595A (en) * | 1994-02-08 | 1996-05-14 | At&T Corp. | Decomposition in noise and periodic signal waveforms in waveform interpolation |
US5574825A (en) * | 1994-03-14 | 1996-11-12 | Lucent Technologies Inc. | Linear prediction coefficient generation during frame erasure or packet loss |
US5615298A (en) * | 1994-03-14 | 1997-03-25 | Lucent Technologies Inc. | Excitation signal synthesis during frame erasure or packet loss |
JP3090842B2 (ja) | 1994-04-28 | 2000-09-25 | 沖電気工業株式会社 | ビタビ復号法に適応した送信装置 |
TW271524B (zh) * | 1994-08-05 | 1996-03-01 | Qualcomm Inc | |
US5742734A (en) * | 1994-08-10 | 1998-04-21 | Qualcomm Incorporated | Encoding rate selection in a variable rate vocoder |
JP2964879B2 (ja) * | 1994-08-22 | 1999-10-18 | 日本電気株式会社 | ポストフィルタ |
US5602913A (en) * | 1994-09-22 | 1997-02-11 | Hughes Electronics | Robust double-talk detection |
EP0704836B1 (en) * | 1994-09-30 | 2002-03-27 | Kabushiki Kaisha Toshiba | Vector quantization apparatus |
JP2638522B2 (ja) | 1994-11-01 | 1997-08-06 | 日本電気株式会社 | 音声符号化装置 |
US5699477A (en) * | 1994-11-09 | 1997-12-16 | Texas Instruments Incorporated | Mixed excitation linear prediction with fractional pitch |
JP3328080B2 (ja) * | 1994-11-22 | 2002-09-24 | 沖電気工業株式会社 | コード励振線形予測復号器 |
US5751903A (en) * | 1994-12-19 | 1998-05-12 | Hughes Electronics | Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset |
US5774846A (en) * | 1994-12-19 | 1998-06-30 | Matsushita Electric Industrial Co., Ltd. | Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus |
JPH08179795A (ja) | 1994-12-27 | 1996-07-12 | Nec Corp | 音声のピッチラグ符号化方法および装置 |
SE9500858L (sv) | 1995-03-10 | 1996-09-11 | Ericsson Telefon Ab L M | Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning |
JP3235703B2 (ja) | 1995-03-10 | 2001-12-04 | 日本電信電話株式会社 | ディジタルフィルタのフィルタ係数決定方法 |
JPH08263099A (ja) * | 1995-03-23 | 1996-10-11 | Toshiba Corp | 符号化装置 |
JPH08292797A (ja) | 1995-04-20 | 1996-11-05 | Nec Corp | 音声符号化装置 |
SE504397C2 (sv) | 1995-05-03 | 1997-01-27 | Ericsson Telefon Ab L M | Metod för förstärkningskvantisering vid linjärprediktiv talkodning med kodboksexcitering |
US5732389A (en) | 1995-06-07 | 1998-03-24 | Lucent Technologies Inc. | Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures |
US5664055A (en) * | 1995-06-07 | 1997-09-02 | Lucent Technologies Inc. | CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity |
US5699485A (en) * | 1995-06-07 | 1997-12-16 | Lucent Technologies Inc. | Pitch delay modification during frame erasures |
GB9512284D0 (en) | 1995-06-16 | 1995-08-16 | Nokia Mobile Phones Ltd | Speech Synthesiser |
US5891118A (en) * | 1995-09-05 | 1999-04-06 | Kao Corporation | Absorbent article |
US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
US6064962A (en) * | 1995-09-14 | 2000-05-16 | Kabushiki Kaisha Toshiba | Formant emphasis method and formant emphasis filter device |
US5864798A (en) * | 1995-09-18 | 1999-01-26 | Kabushiki Kaisha Toshiba | Method and apparatus for adjusting a spectrum shape of a speech signal |
US5704003A (en) | 1995-09-19 | 1997-12-30 | Lucent Technologies Inc. | RCELP coder |
FR2739995B1 (fr) | 1995-10-13 | 1997-12-12 | Massaloux Dominique | Procede et dispositif de creation d'un bruit de confort dans un systeme de transmission numerique de parole |
JP3707116B2 (ja) | 1995-10-26 | 2005-10-19 | ソニー株式会社 | 音声復号化方法及び装置 |
US5867814A (en) * | 1995-11-17 | 1999-02-02 | National Semiconductor Corporation | Speech coder that utilizes correlation maximization to achieve fast excitation coding, and associated coding method |
US5692101A (en) | 1995-11-20 | 1997-11-25 | Motorola, Inc. | Speech coding method and apparatus using mean squared error modifier for selected speech coder parameters using VSELP techniques |
JPH09187077A (ja) | 1996-01-08 | 1997-07-15 | Fujitsu Ltd | 簡易型携帯電話装置の移動局の制御方式 |
US5689615A (en) | 1996-01-22 | 1997-11-18 | Rockwell International Corporation | Usage of voice activity detection for efficient coding of speech |
JP3840684B2 (ja) * | 1996-02-01 | 2006-11-01 | ソニー株式会社 | ピッチ抽出装置及びピッチ抽出方法 |
US5778335A (en) * | 1996-02-26 | 1998-07-07 | The Regents Of The University Of California | Method and apparatus for efficient multiband celp wideband speech and music coding and decoding |
AU1977397A (en) | 1996-03-04 | 1997-09-22 | Ericsson Inc. | Digital communication system for adapting communications protocol based on a current communication channel condition |
CA2199661C (en) * | 1996-03-12 | 2001-08-14 | Takehiro Nakamura | Scheme for intermittent reception of paging signals in mobile communication system |
DE69739458D1 (de) | 1996-03-15 | 2009-07-30 | Nippon Telegraph & Telephone | Mobiles nachrichtenübertragungssystem |
US5774836A (en) * | 1996-04-01 | 1998-06-30 | Advanced Micro Devices, Inc. | System and method for performing pitch estimation and error checking on low estimated pitch values in a correlation based pitch estimator |
SE9601606D0 (sv) | 1996-04-26 | 1996-04-26 | Ericsson Telefon Ab L M | Sätt vid radiotelekommunikationssystem |
KR100389895B1 (ko) * | 1996-05-25 | 2003-11-28 | 삼성전자주식회사 | 음성 부호화 및 복호화방법 및 그 장치 |
JP3364825B2 (ja) | 1996-05-29 | 2003-01-08 | 三菱電機株式会社 | 音声符号化装置および音声符号化復号化装置 |
US5799271A (en) * | 1996-06-24 | 1998-08-25 | Electronics And Telecommunications Research Institute | Method for reducing pitch search time for vocoder |
JPH1020891A (ja) | 1996-07-09 | 1998-01-23 | Sony Corp | 音声符号化方法及び装置 |
SE507370C2 (sv) | 1996-09-13 | 1998-05-18 | Ericsson Telefon Ab L M | Metod och anordning för att alstra komfortbrus i linjärprediktiv talavkodare |
JPH10116097A (ja) | 1996-10-11 | 1998-05-06 | Olympus Optical Co Ltd | 音声再生装置 |
CN1188833C (zh) * | 1996-11-07 | 2005-02-09 | 松下电器产业株式会社 | 声源矢量生成装置及方法 |
US6269331B1 (en) | 1996-11-14 | 2001-07-31 | Nokia Mobile Phones Limited | Transmission of comfort noise parameters during discontinuous transmission |
US5960389A (en) * | 1996-11-15 | 1999-09-28 | Nokia Mobile Phones Limited | Methods for generating comfort noise during discontinuous transmission |
JP3575967B2 (ja) * | 1996-12-02 | 2004-10-13 | 沖電気工業株式会社 | 音声通信システムおよび音声通信方法 |
US5914949A (en) | 1996-12-17 | 1999-06-22 | Lucent Technologies Inc. | Circuit and method for tracking finger off-set in a spread-spectrum rake receiver and wireless infrastructure employing the same |
US5978366A (en) | 1996-12-20 | 1999-11-02 | Ericsson Inc. | Methods and systems for reduced power operation of cellular mobile terminals |
US6148282A (en) | 1997-01-02 | 2000-11-14 | Texas Instruments Incorporated | Multimodal code-excited linear prediction (CELP) coder and method using peakiness measure |
US5924061A (en) * | 1997-03-10 | 1999-07-13 | Lucent Technologies Inc. | Efficient decomposition in noise and periodic signal waveforms in waveform interpolation |
US5903866A (en) * | 1997-03-10 | 1999-05-11 | Lucent Technologies Inc. | Waveform interpolation speech coding using splines |
US5893060A (en) * | 1997-04-07 | 1999-04-06 | Universite De Sherbrooke | Method and device for eradicating instability due to periodic signals in analysis-by-synthesis speech codecs |
US5828672A (en) * | 1997-04-30 | 1998-10-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Estimation of radio channel bit error rate in a digital radio telecommunication network |
FI113903B (fi) | 1997-05-07 | 2004-06-30 | Nokia Corp | Puheen koodaus |
US6111865A (en) * | 1997-05-30 | 2000-08-29 | Qualcomm Incorporated | Dual channel slotted paging |
JP3206497B2 (ja) * | 1997-06-16 | 2001-09-10 | 日本電気株式会社 | インデックスによる信号生成型適応符号帳 |
US6073092A (en) | 1997-06-26 | 2000-06-06 | Telogy Networks, Inc. | Method for speech coding based on a code excited linear prediction (CELP) model |
US5991600A (en) | 1997-07-09 | 1999-11-23 | Ericsson Inc. | Integration of mobile station channel measurement with paging channel displacement operation in a wireless communications system |
DE19729494C2 (de) * | 1997-07-10 | 1999-11-04 | Grundig Ag | Verfahren und Anordnung zur Codierung und/oder Decodierung von Sprachsignalen, insbesondere für digitale Diktiergeräte |
US6347081B1 (en) | 1997-08-25 | 2002-02-12 | Telefonaktiebolaget L M Ericsson (Publ) | Method for power reduced transmission of speech inactivity |
US6233550B1 (en) * | 1997-08-29 | 2001-05-15 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
US6167031A (en) | 1997-08-29 | 2000-12-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for selecting a combination of modulation and channel coding schemes in a digital communication system |
US6058359A (en) * | 1998-03-04 | 2000-05-02 | Telefonaktiebolaget L M Ericsson | Speech coding including soft adaptability feature |
CN1134904C (zh) * | 1997-09-10 | 2004-01-14 | 塞尔隆法国股份有限公司 | 通信系统和终端 |
WO1999016050A1 (en) | 1997-09-23 | 1999-04-01 | Voxware, Inc. | Scalable and embedded codec for speech and audio signals |
US6044069A (en) * | 1997-10-29 | 2000-03-28 | Conexant Systems, Inc. | Power management system for a mobile station |
US6574211B2 (en) * | 1997-11-03 | 2003-06-03 | Qualcomm Incorporated | Method and apparatus for high rate packet data transmission |
GB2332598B (en) | 1997-12-20 | 2002-12-04 | Motorola Ltd | Method and apparatus for discontinuous transmission |
US6298139B1 (en) * | 1997-12-31 | 2001-10-02 | Transcrypt International, Inc. | Apparatus and method for maintaining a constant speech envelope using variable coefficient automatic gain control |
FI980132A (fi) | 1998-01-21 | 1999-07-22 | Nokia Mobile Phones Ltd | Adaptoituva jälkisuodatin |
US6539205B1 (en) * | 1998-03-23 | 2003-03-25 | Skyworks Solutions, Inc. | Traffic channel quality estimation from a digital control channel |
US6470309B1 (en) | 1998-05-08 | 2002-10-22 | Texas Instruments Incorporated | Subframe-based correlation |
US6098037A (en) * | 1998-05-19 | 2000-08-01 | Texas Instruments Incorporated | Formant weighted vector quantization of LPC excitation harmonic spectral amplitudes |
US6115689A (en) * | 1998-05-27 | 2000-09-05 | Microsoft Corporation | Scalable audio coder and decoder |
JP3541680B2 (ja) * | 1998-06-15 | 2004-07-14 | 日本電気株式会社 | 音声音楽信号の符号化装置および復号装置 |
US6249758B1 (en) * | 1998-06-30 | 2001-06-19 | Nortel Networks Limited | Apparatus and method for coding speech signals by making use of voice/unvoiced characteristics of the speech signals |
US6014618A (en) * | 1998-08-06 | 2000-01-11 | Dsp Software Engineering, Inc. | LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor and optimized ternary source excitation codebook derivation |
JP4308345B2 (ja) | 1998-08-21 | 2009-08-05 | パナソニック株式会社 | マルチモード音声符号化装置及び復号化装置 |
US6823303B1 (en) * | 1998-08-24 | 2004-11-23 | Conexant Systems, Inc. | Speech encoder using voice activity detection in coding noise |
US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
US6330533B2 (en) * | 1998-08-24 | 2001-12-11 | Conexant Systems, Inc. | Speech encoder adaptively applying pitch preprocessing with warping of target signal |
US6173257B1 (en) * | 1998-08-24 | 2001-01-09 | Conexant Systems, Inc | Completed fixed codebook for speech encoder |
US6507814B1 (en) * | 1998-08-24 | 2003-01-14 | Conexant Systems, Inc. | Pitch determination using speech classification and prior pitch estimation |
US6260010B1 (en) * | 1998-08-24 | 2001-07-10 | Conexant Systems, Inc. | Speech encoder using gain normalization that combines open and closed loop gains |
US6480822B2 (en) * | 1998-08-24 | 2002-11-12 | Conexant Systems, Inc. | Low complexity random codebook structure |
US6188980B1 (en) * | 1998-08-24 | 2001-02-13 | Conexant Systems, Inc. | Synchronized encoder-decoder frame concealment using speech coding parameters including line spectral frequencies and filter coefficients |
US6104992A (en) * | 1998-08-24 | 2000-08-15 | Conexant Systems, Inc. | Adaptive gain reduction to produce fixed codebook target signal |
US6240386B1 (en) | 1998-08-24 | 2001-05-29 | Conexant Systems, Inc. | Speech codec employing noise classification for noise compensation |
US6385573B1 (en) * | 1998-08-24 | 2002-05-07 | Conexant Systems, Inc. | Adaptive tilt compensation for synthesized speech residual |
FI105635B (fi) | 1998-09-01 | 2000-09-15 | Nokia Mobile Phones Ltd | Menetelmä taustakohinainformaation lähettämiseksi tietokehysmuotoisessa tiedonsiirrossa |
FI106906B (fi) * | 1998-09-09 | 2001-04-30 | Nokia Networks Oy | Lähetysmenetelmä ja radiojärjestelmä |
US7272556B1 (en) * | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
US6424938B1 (en) * | 1998-11-23 | 2002-07-23 | Telefonaktiebolaget L M Ericsson | Complex signal activity detection for improved speech/noise classification of an audio signal |
CA2608652C (en) * | 1998-11-24 | 2011-01-11 | Karl Hellwig | Efficient in-band signaling for discontinuous transmission and configuration changes in adaptive multi-rate communications systems |
US6256606B1 (en) * | 1998-11-30 | 2001-07-03 | Conexant Systems, Inc. | Silence description coding for multi-rate speech codecs |
US6182030B1 (en) * | 1998-12-18 | 2001-01-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Enhanced coding to improve coded communication signals |
WO2000060575A1 (en) * | 1999-04-05 | 2000-10-12 | Hughes Electronics Corporation | A voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec system |
WO2000063878A1 (fr) | 1999-04-19 | 2000-10-26 | Fujitsu Limited | Codeur de parole, processeur de parole et procede de traitement de la parole |
US6633841B1 (en) | 1999-07-29 | 2003-10-14 | Mindspeed Technologies, Inc. | Voice activity detection speech coding to accommodate music signals |
US6691082B1 (en) * | 1999-08-03 | 2004-02-10 | Lucent Technologies Inc | Method and system for sub-band hybrid coding |
US6151571A (en) | 1999-08-31 | 2000-11-21 | Andersen Consulting | System, method and article of manufacture for detecting emotion in voice signals through analysis of a plurality of voice signal parameters |
US6353810B1 (en) * | 1999-08-31 | 2002-03-05 | Accenture Llp | System, method and article of manufacture for an emotion detection system improving emotion recognition |
US6959274B1 (en) | 1999-09-22 | 2005-10-25 | Mindspeed Technologies, Inc. | Fixed rate speech compression system and method |
US6636829B1 (en) * | 1999-09-22 | 2003-10-21 | Mindspeed Technologies, Inc. | Speech communication system and method for handling lost frames |
US6574593B1 (en) * | 1999-09-22 | 2003-06-03 | Conexant Systems, Inc. | Codebook tables for encoding and decoding |
US6604070B1 (en) * | 1999-09-22 | 2003-08-05 | Conexant Systems, Inc. | System of encoding and decoding speech signals |
US6757654B1 (en) * | 2000-05-11 | 2004-06-29 | Telefonaktiebolaget Lm Ericsson | Forward error correction in speech coding |
US6412540B2 (en) * | 2000-05-24 | 2002-07-02 | Hendee Enterprises, Inc. | Structural protective windscreen |
US6804218B2 (en) | 2000-12-04 | 2004-10-12 | Qualcomm Incorporated | Method and apparatus for improved detection of rate errors in variable rate receivers |
US6738739B2 (en) * | 2001-02-15 | 2004-05-18 | Mindspeed Technologies, Inc. | Voiced speech preprocessing employing waveform interpolation or a harmonic model |
US7103538B1 (en) * | 2002-06-10 | 2006-09-05 | Mindspeed Technologies, Inc. | Fixed code book with embedded adaptive code book |
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WO2002023535A1 (en) | 2002-03-21 |
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US20090164210A1 (en) | 2009-06-25 |
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US20080294429A1 (en) | 2008-11-27 |
US20090024386A1 (en) | 2009-01-22 |
US9401156B2 (en) | 2016-07-26 |
US9747915B2 (en) | 2017-08-29 |
US20080288246A1 (en) | 2008-11-20 |
US20090157395A1 (en) | 2009-06-18 |
US20080147384A1 (en) | 2008-06-19 |
US20090182558A1 (en) | 2009-07-16 |
US8635063B2 (en) | 2014-01-21 |
KR20030046452A (ko) | 2003-06-12 |
US9190066B2 (en) | 2015-11-17 |
US20070255561A1 (en) | 2007-11-01 |
US8650028B2 (en) | 2014-02-11 |
CN1457485A (zh) | 2003-11-19 |
EP1328924A1 (en) | 2003-07-23 |
US20160104500A1 (en) | 2016-04-14 |
US20060089833A1 (en) | 2006-04-27 |
US9269365B2 (en) | 2016-02-23 |
AU2001287972A1 (en) | 2002-03-26 |
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