CN1192817A - 语音编码器 - Google Patents
语音编码器 Download PDFInfo
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- CN1192817A CN1192817A CN96196226.7A CN96196226A CN1192817A CN 1192817 A CN1192817 A CN 1192817A CN 96196226 A CN96196226 A CN 96196226A CN 1192817 A CN1192817 A CN 1192817A
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—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
- G10L19/04—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 predictive techniques
- G10L19/26—Pre-filtering or post-filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—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
- G10L19/04—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 predictive techniques
Abstract
Description
Claims (50)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9512284.2 | 1995-06-16 | ||
GBGB9512284.2A GB9512284D0 (en) | 1995-06-16 | 1995-06-16 | Speech Synthesiser |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510052904.XA Division CN1652207A (zh) | 1995-06-16 | 1996-06-13 | 语音编码器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1192817A true CN1192817A (zh) | 1998-09-09 |
CN1199151C CN1199151C (zh) | 2005-04-27 |
Family
ID=10776197
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510052904.XA Pending CN1652207A (zh) | 1995-06-16 | 1996-06-13 | 语音编码器 |
CN96196226.7A Expired - Lifetime CN1199151C (zh) | 1995-06-16 | 1996-06-13 | 语音编码器 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510052904.XA Pending CN1652207A (zh) | 1995-06-16 | 1996-06-13 | 语音编码器 |
Country Status (12)
Country | Link |
---|---|
US (2) | US6029128A (zh) |
EP (1) | EP0832482B1 (zh) |
JP (1) | JP3483891B2 (zh) |
CN (2) | CN1652207A (zh) |
AT (1) | ATE206843T1 (zh) |
AU (1) | AU714752B2 (zh) |
BR (1) | BR9608479A (zh) |
DE (1) | DE69615839T2 (zh) |
ES (1) | ES2146155B1 (zh) |
GB (1) | GB9512284D0 (zh) |
RU (1) | RU2181481C2 (zh) |
WO (1) | WO1997000516A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1297952C (zh) * | 2001-11-08 | 2007-01-31 | 环球Ip音响欧洲公司 | 声音增强方法和声音增强系统 |
CN1332373C (zh) * | 2002-08-09 | 2007-08-15 | 弗兰霍菲尔运输应用研究公司 | 用于可扩缩编码的设备及方法和用于可扩缩解码的设备及方法 |
CN101223582B (zh) * | 2005-07-15 | 2011-05-11 | 微软公司 | 一种音频编码方法、音频解码方法及音频编码器 |
CN101179716B (zh) * | 2007-11-30 | 2011-12-07 | 华南理工大学 | 一种压缩域的传输数据流音频自动增益控制方法 |
CN101548317B (zh) * | 2006-12-15 | 2012-01-18 | 松下电器产业株式会社 | 自适应激励矢量量化装置和自适应激励矢量量化方法 |
CN103383846A (zh) * | 2006-12-26 | 2013-11-06 | 华为技术有限公司 | 改进语音丢包修补质量的语音编码方法 |
US9336790B2 (en) | 2006-12-26 | 2016-05-10 | Huawei Technologies Co., Ltd | Packet loss concealment for speech coding |
CN105593933A (zh) * | 2013-10-10 | 2016-05-18 | 高通股份有限公司 | 用于改善高频带时间特性跟踪的增益形状估计 |
CN113241082A (zh) * | 2021-04-22 | 2021-08-10 | 杭州朗和科技有限公司 | 变声方法、装置、设备和介质 |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5913187A (en) * | 1997-08-29 | 1999-06-15 | Nortel Networks Corporation | Nonlinear filter for noise suppression in linear prediction speech processing devices |
US6260010B1 (en) * | 1998-08-24 | 2001-07-10 | Conexant Systems, Inc. | Speech encoder using gain normalization that combines open and closed loop gains |
US6104992A (en) * | 1998-08-24 | 2000-08-15 | Conexant Systems, Inc. | Adaptive gain reduction to produce fixed codebook target signal |
US7117146B2 (en) * | 1998-08-24 | 2006-10-03 | Mindspeed Technologies, Inc. | System for improved use of pitch enhancement with subcodebooks |
US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
JP3365360B2 (ja) * | 1999-07-28 | 2003-01-08 | 日本電気株式会社 | 音声信号復号方法および音声信号符号化復号方法とその装置 |
US6480827B1 (en) * | 2000-03-07 | 2002-11-12 | Motorola, Inc. | Method and apparatus for voice communication |
US6581030B1 (en) * | 2000-04-13 | 2003-06-17 | Conexant Systems, Inc. | Target signal reference shifting employed in code-excited linear prediction speech coding |
US6466904B1 (en) * | 2000-07-25 | 2002-10-15 | Conexant Systems, Inc. | Method and apparatus using harmonic modeling in an improved speech decoder |
US7283961B2 (en) * | 2000-08-09 | 2007-10-16 | Sony Corporation | High-quality speech synthesis device and method by classification and prediction processing of synthesized sound |
KR100819623B1 (ko) * | 2000-08-09 | 2008-04-04 | 소니 가부시끼 가이샤 | 음성 데이터의 처리 장치 및 처리 방법 |
JP3558031B2 (ja) * | 2000-11-06 | 2004-08-25 | 日本電気株式会社 | 音声復号化装置 |
CA2388352A1 (en) | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for frequency-selective pitch enhancement of synthesized speed |
US7516067B2 (en) * | 2003-08-25 | 2009-04-07 | Microsoft Corporation | Method and apparatus using harmonic-model-based front end for robust speech recognition |
US7447630B2 (en) * | 2003-11-26 | 2008-11-04 | Microsoft Corporation | Method and apparatus for multi-sensory speech enhancement |
CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
JP4398323B2 (ja) * | 2004-08-09 | 2010-01-13 | ユニデン株式会社 | デジタル無線通信装置 |
US20070147518A1 (en) * | 2005-02-18 | 2007-06-28 | Bruno Bessette | Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCX |
US20060217983A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for injecting comfort noise in a communications system |
US20060215683A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for voice quality enhancement |
US20060217970A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for noise reduction |
US20060217972A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for modifying an encoded signal |
US20060217988A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for adaptive level control |
US7590523B2 (en) * | 2006-03-20 | 2009-09-15 | Mindspeed Technologies, Inc. | Speech post-processing using MDCT coefficients |
US8005671B2 (en) * | 2006-12-04 | 2011-08-23 | Qualcomm Incorporated | Systems and methods for dynamic normalization to reduce loss in precision for low-level signals |
WO2008072671A1 (ja) * | 2006-12-13 | 2008-06-19 | Panasonic Corporation | 音声復号化装置およびパワ調整方法 |
CN101266797B (zh) * | 2007-03-16 | 2011-06-01 | 展讯通信(上海)有限公司 | 语音信号后处理滤波方法 |
US8209190B2 (en) * | 2007-10-25 | 2012-06-26 | Motorola Mobility, Inc. | Method and apparatus for generating an enhancement layer within an audio coding system |
CN100578620C (zh) | 2007-11-12 | 2010-01-06 | 华为技术有限公司 | 固定码书搜索方法及搜索器 |
US20090287489A1 (en) * | 2008-05-15 | 2009-11-19 | Palm, Inc. | Speech processing for plurality of users |
US8442837B2 (en) * | 2009-12-31 | 2013-05-14 | Motorola Mobility Llc | Embedded speech and audio coding using a switchable model core |
US8990094B2 (en) * | 2010-09-13 | 2015-03-24 | Qualcomm Incorporated | Coding and decoding a transient frame |
US8862465B2 (en) * | 2010-09-17 | 2014-10-14 | Qualcomm Incorporated | Determining pitch cycle energy and scaling an excitation signal |
DK3067888T3 (en) | 2011-04-15 | 2017-07-10 | ERICSSON TELEFON AB L M (publ) | DECODES FOR DIMAGE OF SIGNAL AREAS RECONSTRUCTED WITH LOW ACCURACY |
KR102060208B1 (ko) * | 2011-07-29 | 2019-12-27 | 디티에스 엘엘씨 | 적응적 음성 명료도 처리기 |
ES2549953T3 (es) * | 2012-08-27 | 2015-11-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada |
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 |
PL3058569T3 (pl) * | 2013-10-18 | 2021-06-14 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Koncepcja kodowania sygnału audio i dekodowania sygnału audio z wykorzystaniem informacji deterministycznych i podobnych do szumu |
WO2015055531A1 (en) * | 2013-10-18 | 2015-04-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for encoding an audio signal and decoding an audio signal using speech related spectral shaping information |
CN110444192A (zh) * | 2019-08-15 | 2019-11-12 | 广州科粤信息科技有限公司 | 一种基于语音技术的智能语音机器人 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5681900A (en) * | 1979-12-10 | 1981-07-04 | Nippon Electric Co | Voice synthesizer |
US4815135A (en) * | 1984-07-10 | 1989-03-21 | Nec Corporation | Speech signal processor |
US4969192A (en) * | 1987-04-06 | 1990-11-06 | Voicecraft, Inc. | Vector adaptive predictive coder for speech and audio |
GB8806185D0 (en) * | 1988-03-16 | 1988-04-13 | Univ Surrey | Speech coding |
US5029211A (en) * | 1988-05-30 | 1991-07-02 | Nec Corporation | Speech analysis and synthesis system |
US5247357A (en) * | 1989-05-31 | 1993-09-21 | Scientific Atlanta, Inc. | Image compression method and apparatus employing distortion adaptive tree search vector quantization with avoidance of transmission of redundant image data |
US5241650A (en) * | 1989-10-17 | 1993-08-31 | Motorola, Inc. | Digital speech decoder having a postfilter with reduced spectral distortion |
AU644119B2 (en) * | 1989-10-17 | 1993-12-02 | Motorola, Inc. | Lpc based speech synthesis with adaptive pitch prefilter |
CA2010830C (en) * | 1990-02-23 | 1996-06-25 | Jean-Pierre Adoul | Dynamic codebook for efficient speech coding based on algebraic codes |
JP3102015B2 (ja) * | 1990-05-28 | 2000-10-23 | 日本電気株式会社 | 音声復号化方法 |
DE69232202T2 (de) * | 1991-06-11 | 2002-07-25 | Qualcomm Inc | Vocoder mit veraendlicher bitrate |
JP3076086B2 (ja) * | 1991-06-28 | 2000-08-14 | シャープ株式会社 | 音声合成装置用ポストフィルタ |
US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
WO1993018505A1 (en) * | 1992-03-02 | 1993-09-16 | The Walt Disney Company | Voice transformation system |
US5495555A (en) * | 1992-06-01 | 1996-02-27 | Hughes Aircraft Company | High quality low bit rate celp-based speech codec |
US5327520A (en) * | 1992-06-04 | 1994-07-05 | At&T Bell Laboratories | Method of use of voice message coder/decoder |
FI91345C (fi) * | 1992-06-24 | 1994-06-10 | Nokia Mobile Phones Ltd | Menetelmä kanavanvaihdon tehostamiseksi |
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 |
AU675322B2 (en) * | 1993-04-29 | 1997-01-30 | Unisearch Limited | Use of an auditory model to improve quality or lower the bit rate of speech synthesis systems |
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 |
-
1995
- 1995-06-16 GB GBGB9512284.2A patent/GB9512284D0/en active Pending
-
1996
- 1996-06-13 AU AU62309/96A patent/AU714752B2/en not_active Expired
- 1996-06-13 EP EP96920925A patent/EP0832482B1/en not_active Expired - Lifetime
- 1996-06-13 BR BR9608479-0A patent/BR9608479A/pt not_active IP Right Cessation
- 1996-06-13 WO PCT/GB1996/001428 patent/WO1997000516A1/en active IP Right Grant
- 1996-06-13 ES ES009750009A patent/ES2146155B1/es not_active Expired - Fee Related
- 1996-06-13 US US08/662,991 patent/US6029128A/en not_active Expired - Lifetime
- 1996-06-13 CN CN200510052904.XA patent/CN1652207A/zh active Pending
- 1996-06-13 DE DE69615839T patent/DE69615839T2/de not_active Expired - Lifetime
- 1996-06-13 CN CN96196226.7A patent/CN1199151C/zh not_active Expired - Lifetime
- 1996-06-13 JP JP50280997A patent/JP3483891B2/ja not_active Expired - Lifetime
- 1996-06-13 AT AT96920925T patent/ATE206843T1/de not_active IP Right Cessation
- 1996-06-13 RU RU98101107/28A patent/RU2181481C2/ru active
-
1998
- 1998-08-18 US US09/135,936 patent/US5946651A/en not_active Expired - Lifetime
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1297952C (zh) * | 2001-11-08 | 2007-01-31 | 环球Ip音响欧洲公司 | 声音增强方法和声音增强系统 |
CN1332373C (zh) * | 2002-08-09 | 2007-08-15 | 弗兰霍菲尔运输应用研究公司 | 用于可扩缩编码的设备及方法和用于可扩缩解码的设备及方法 |
CN101223582B (zh) * | 2005-07-15 | 2011-05-11 | 微软公司 | 一种音频编码方法、音频解码方法及音频编码器 |
CN101548317B (zh) * | 2006-12-15 | 2012-01-18 | 松下电器产业株式会社 | 自适应激励矢量量化装置和自适应激励矢量量化方法 |
US9767810B2 (en) | 2006-12-26 | 2017-09-19 | Huawei Technologies Co., Ltd. | Packet loss concealment for speech coding |
CN103383846A (zh) * | 2006-12-26 | 2013-11-06 | 华为技术有限公司 | 改进语音丢包修补质量的语音编码方法 |
US9336790B2 (en) | 2006-12-26 | 2016-05-10 | Huawei Technologies Co., Ltd | Packet loss concealment for speech coding |
CN103383846B (zh) * | 2006-12-26 | 2016-08-10 | 华为技术有限公司 | 改进语音丢包修补质量的语音编码方法 |
US10083698B2 (en) | 2006-12-26 | 2018-09-25 | Huawei Technologies Co., Ltd. | Packet loss concealment for speech coding |
CN101179716B (zh) * | 2007-11-30 | 2011-12-07 | 华南理工大学 | 一种压缩域的传输数据流音频自动增益控制方法 |
CN105593933A (zh) * | 2013-10-10 | 2016-05-18 | 高通股份有限公司 | 用于改善高频带时间特性跟踪的增益形状估计 |
CN105593933B (zh) * | 2013-10-10 | 2019-10-15 | 高通股份有限公司 | 用于信号处理的方法和设备 |
CN113241082A (zh) * | 2021-04-22 | 2021-08-10 | 杭州朗和科技有限公司 | 变声方法、装置、设备和介质 |
CN113241082B (zh) * | 2021-04-22 | 2024-02-20 | 杭州网易智企科技有限公司 | 变声方法、装置、设备和介质 |
Also Published As
Publication number | Publication date |
---|---|
BR9608479A (pt) | 1999-07-06 |
CN1199151C (zh) | 2005-04-27 |
WO1997000516A1 (en) | 1997-01-03 |
GB9512284D0 (en) | 1995-08-16 |
JP3483891B2 (ja) | 2004-01-06 |
EP0832482B1 (en) | 2001-10-10 |
RU2181481C2 (ru) | 2002-04-20 |
US6029128A (en) | 2000-02-22 |
US5946651A (en) | 1999-08-31 |
DE69615839T2 (de) | 2002-05-16 |
AU714752B2 (en) | 2000-01-13 |
ES2146155A1 (es) | 2000-07-16 |
CN1652207A (zh) | 2005-08-10 |
EP0832482A1 (en) | 1998-04-01 |
DE69615839D1 (de) | 2001-11-15 |
ES2146155B1 (es) | 2001-02-01 |
AU6230996A (en) | 1997-01-15 |
ATE206843T1 (de) | 2001-10-15 |
JPH11507739A (ja) | 1999-07-06 |
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