CN101583995A - 参数解码装置、参数编码装置以及参数解码方法 - Google Patents
参数解码装置、参数编码装置以及参数解码方法 Download PDFInfo
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- CN101583995A CN101583995A CNA2007800491285A CN200780049128A CN101583995A CN 101583995 A CN101583995 A CN 101583995A CN A2007800491285 A CNA2007800491285 A CN A2007800491285A CN 200780049128 A CN200780049128 A CN 200780049128A CN 101583995 A CN101583995 A CN 101583995A
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- G—PHYSICS
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- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
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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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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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
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- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
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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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
Abstract
Description
Claims (7)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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JP305861/2006 | 2006-11-10 | ||
JP2006305861 | 2006-11-10 | ||
JP2007132195 | 2007-05-17 | ||
JP132195/2007 | 2007-05-17 | ||
JP2007240198 | 2007-09-14 | ||
JP240198/2007 | 2007-09-14 | ||
PCT/JP2007/071803 WO2008056775A1 (fr) | 2006-11-10 | 2007-11-09 | Dispositif de décodage de paramètre, dispositif de codage de paramètre et procédé de décodage de paramètre |
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CN201210120581.3A Division CN102682774B (zh) | 2006-11-10 | 2007-11-09 | 参数解码方法及参数解码装置 |
CN201210120786.1A Division CN102682775B (zh) | 2006-11-10 | 2007-11-09 | 参数解码方法及参数解码装置 |
Publications (2)
Publication Number | Publication Date |
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CN101583995A true CN101583995A (zh) | 2009-11-18 |
CN101583995B CN101583995B (zh) | 2012-06-27 |
Family
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CN201210120786.1A Expired - Fee Related CN102682775B (zh) | 2006-11-10 | 2007-11-09 | 参数解码方法及参数解码装置 |
CN201210120581.3A Expired - Fee Related CN102682774B (zh) | 2006-11-10 | 2007-11-09 | 参数解码方法及参数解码装置 |
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CN201210120786.1A Expired - Fee Related CN102682775B (zh) | 2006-11-10 | 2007-11-09 | 参数解码方法及参数解码装置 |
CN201210120581.3A Expired - Fee Related CN102682774B (zh) | 2006-11-10 | 2007-11-09 | 参数解码方法及参数解码装置 |
Country Status (10)
Country | Link |
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US (3) | US8468015B2 (zh) |
EP (3) | EP2538406B1 (zh) |
JP (3) | JP5121719B2 (zh) |
KR (1) | KR20090076964A (zh) |
CN (3) | CN101583995B (zh) |
AU (1) | AU2007318506B2 (zh) |
BR (1) | BRPI0721490A2 (zh) |
RU (2) | RU2011124068A (zh) |
SG (2) | SG165383A1 (zh) |
WO (1) | WO2008056775A1 (zh) |
Cited By (6)
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---|---|---|---|---|
CN104299614A (zh) * | 2013-07-16 | 2015-01-21 | 华为技术有限公司 | 解码方法和解码装置 |
CN104718571A (zh) * | 2012-06-08 | 2015-06-17 | 三星电子株式会社 | 用于隐藏帧错误的方法和设备以及用于音频解码的方法和设备 |
US9280975B2 (en) | 2012-09-24 | 2016-03-08 | Samsung Electronics Co., Ltd. | Frame error concealment method and apparatus, and audio decoding method and apparatus |
CN106104682A (zh) * | 2014-01-15 | 2016-11-09 | 三星电子株式会社 | 用于对线性预测编码系数进行量化的加权函数确定装置和方法 |
CN106205626A (zh) * | 2015-05-06 | 2016-12-07 | 南京青衿信息科技有限公司 | 一种针对被舍弃的子空间分量的补偿编解码装置及方法 |
CN110660402A (zh) * | 2018-06-29 | 2020-01-07 | 华为技术有限公司 | 立体声信号编码过程中确定加权系数的方法和装置 |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100723409B1 (ko) * | 2005-07-27 | 2007-05-30 | 삼성전자주식회사 | 프레임 소거 은닉장치 및 방법, 및 이를 이용한 음성복호화 방법 및 장치 |
GB2466669B (en) | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466675B (en) | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466670B (en) | 2009-01-06 | 2012-11-14 | Skype | Speech encoding |
GB2466672B (en) | 2009-01-06 | 2013-03-13 | Skype | Speech coding |
GB2466674B (en) | 2009-01-06 | 2013-11-13 | Skype | Speech coding |
GB2466671B (en) | 2009-01-06 | 2013-03-27 | Skype | Speech encoding |
GB2466673B (en) | 2009-01-06 | 2012-11-07 | Skype | Quantization |
KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
US8428938B2 (en) | 2009-06-04 | 2013-04-23 | Qualcomm Incorporated | Systems and methods for reconstructing an erased speech frame |
US8848802B2 (en) * | 2009-09-04 | 2014-09-30 | Stmicroelectronics International N.V. | System and method for object based parametric video coding |
US9626769B2 (en) | 2009-09-04 | 2017-04-18 | Stmicroelectronics International N.V. | Digital video encoder system, method, and non-transitory computer-readable medium for tracking object regions |
US10178396B2 (en) | 2009-09-04 | 2019-01-08 | Stmicroelectronics International N.V. | Object tracking |
US8452606B2 (en) | 2009-09-29 | 2013-05-28 | Skype | Speech encoding using multiple bit rates |
EP2369861B1 (en) * | 2010-03-25 | 2016-07-27 | Nxp B.V. | Multi-channel audio signal processing |
AU2014200719B2 (en) * | 2010-04-09 | 2016-07-14 | Dolby International Ab | Mdct-based complex prediction stereo coding |
TR201901336T4 (tr) * | 2010-04-09 | 2019-02-21 | Dolby Int Ab | Mdct-tabanlı karmaşık tahmin stereo kodlama. |
TW201209805A (en) * | 2010-07-06 | 2012-03-01 | Panasonic Corp | Device and method for efficiently encoding quantization parameters of spectral coefficient coding |
PL2661745T3 (pl) * | 2011-02-14 | 2015-09-30 | Fraunhofer Ges Forschung | Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio |
US9449607B2 (en) * | 2012-01-06 | 2016-09-20 | Qualcomm Incorporated | Systems and methods for detecting overflow |
EP3855430B1 (en) | 2013-02-05 | 2023-10-18 | Telefonaktiebolaget LM Ericsson (publ) | Method and appartus for controlling audio frame loss concealment |
US9336789B2 (en) * | 2013-02-21 | 2016-05-10 | Qualcomm Incorporated | Systems and methods for determining an interpolation factor set for synthesizing a speech signal |
US9208775B2 (en) * | 2013-02-21 | 2015-12-08 | Qualcomm Incorporated | Systems and methods for determining pitch pulse period signal boundaries |
US9842598B2 (en) * | 2013-02-21 | 2017-12-12 | Qualcomm Incorporated | Systems and methods for mitigating potential frame instability |
US20140279778A1 (en) * | 2013-03-18 | 2014-09-18 | The Trustees Of Columbia University In The City Of New York | Systems and Methods for Time Encoding and Decoding Machines |
JP5981408B2 (ja) * | 2013-10-29 | 2016-08-31 | 株式会社Nttドコモ | 音声信号処理装置、音声信号処理方法、及び音声信号処理プログラム |
CN104751849B (zh) | 2013-12-31 | 2017-04-19 | 华为技术有限公司 | 语音频码流的解码方法及装置 |
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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 |
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EP3786949B1 (en) * | 2014-05-01 | 2022-02-16 | Nippon Telegraph And Telephone Corporation | Coding of a sound signal |
JP6061901B2 (ja) * | 2014-07-24 | 2017-01-18 | 株式会社タムラ製作所 | 音符号化システム |
EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
EP3313103B1 (en) * | 2015-06-17 | 2020-07-01 | Sony Corporation | Transmission device, transmission method, reception device and reception method |
US9837094B2 (en) * | 2015-08-18 | 2017-12-05 | Qualcomm Incorporated | Signal re-use during bandwidth transition period |
JP6352487B2 (ja) * | 2017-04-19 | 2018-07-04 | 株式会社Nttドコモ | 音声信号処理方法及び音声信号処理装置 |
JP6691169B2 (ja) * | 2018-06-06 | 2020-04-28 | 株式会社Nttドコモ | 音声信号処理方法及び音声信号処理装置 |
JP6914390B2 (ja) * | 2018-06-06 | 2021-08-04 | 株式会社Nttドコモ | 音声信号処理方法 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6310200A (ja) * | 1986-07-02 | 1988-01-16 | 日本電気株式会社 | 音声分析方式 |
JPH02216200A (ja) * | 1989-02-17 | 1990-08-29 | Matsushita Electric Ind Co Ltd | 音声符号化装置および音声復号化装置 |
JP3275248B2 (ja) * | 1991-07-15 | 2002-04-15 | 日本電信電話株式会社 | 音声復号方法 |
JPH06130999A (ja) | 1992-10-22 | 1994-05-13 | Oki Electric Ind Co Ltd | コード励振線形予測復号化装置 |
JP3255189B2 (ja) | 1992-12-01 | 2002-02-12 | 日本電信電話株式会社 | 音声パラメータの符号化方法および復号方法 |
US5781880A (en) * | 1994-11-21 | 1998-07-14 | Rockwell International Corporation | Pitch lag estimation using frequency-domain lowpass filtering of the linear predictive coding (LPC) residual |
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 |
CA2177413A1 (en) * | 1995-06-07 | 1996-12-08 | Yair Shoham | Codebook gain attenuation during frame erasures |
JP3215026B2 (ja) | 1995-10-25 | 2001-10-02 | 富士通テン株式会社 | 自動車用制御ユニットパルス通信システム、共通分周処理回路及び分周信号通信システム |
CN1658282A (zh) | 1997-12-24 | 2005-08-24 | 三菱电机株式会社 | 声音编码方法和声音译码方法以及声音编码装置和声音译码装置 |
FI113571B (fi) * | 1998-03-09 | 2004-05-14 | Nokia Corp | Puheenkoodaus |
US6470309B1 (en) * | 1998-05-08 | 2002-10-22 | Texas Instruments Incorporated | Subframe-based correlation |
US6330533B2 (en) * | 1998-08-24 | 2001-12-11 | Conexant Systems, Inc. | Speech encoder adaptively applying pitch preprocessing with warping of target signal |
US6104992A (en) * | 1998-08-24 | 2000-08-15 | Conexant Systems, Inc. | Adaptive gain reduction to produce fixed codebook target signal |
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 |
US6463407B2 (en) * | 1998-11-13 | 2002-10-08 | Qualcomm Inc. | Low bit-rate coding of unvoiced segments of speech |
US6456964B2 (en) * | 1998-12-21 | 2002-09-24 | Qualcomm, Incorporated | Encoding of periodic speech using prototype waveforms |
JP4464488B2 (ja) * | 1999-06-30 | 2010-05-19 | パナソニック株式会社 | 音声復号化装置及び符号誤り補償方法、音声復号化方法 |
US6775649B1 (en) * | 1999-09-01 | 2004-08-10 | Texas Instruments Incorporated | Concealment of frame erasures for speech transmission and storage system and method |
US6963833B1 (en) * | 1999-10-26 | 2005-11-08 | Sasken Communication Technologies Limited | Modifications in the multi-band excitation (MBE) model for generating high quality speech at low bit rates |
US7031926B2 (en) * | 2000-10-23 | 2006-04-18 | Nokia Corporation | Spectral parameter substitution for the frame error concealment in a speech decoder |
EP1235203B1 (en) * | 2001-02-27 | 2009-08-12 | Texas Instruments Incorporated | Method for concealing erased speech frames and decoder therefor |
CN1420487A (zh) * | 2002-12-19 | 2003-05-28 | 北京工业大学 | 1kb/s线谱频率参数的一步插值预测矢量量化方法 |
AU2003901528A0 (en) * | 2003-03-31 | 2003-05-01 | Seeing Machines Pty Ltd | Eye tracking system and method |
CN1677493A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
CN1677491A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
WO2005096274A1 (fr) | 2004-04-01 | 2005-10-13 | Beijing Media Works Co., Ltd | Dispositif et procede de codage/decodage audio ameliores |
JP4445328B2 (ja) | 2004-05-24 | 2010-04-07 | パナソニック株式会社 | 音声・楽音復号化装置および音声・楽音復号化方法 |
JPWO2006025313A1 (ja) | 2004-08-31 | 2008-05-08 | 松下電器産業株式会社 | 音声符号化装置、音声復号化装置、通信装置及び音声符号化方法 |
RU2387024C2 (ru) | 2004-11-05 | 2010-04-20 | Панасоник Корпорэйшн | Кодер, декодер, способ кодирования и способ декодирования |
KR100888962B1 (ko) * | 2004-12-06 | 2009-03-17 | 엘지전자 주식회사 | 영상 신호의 인코딩 및 디코딩 방법 |
KR20060063613A (ko) * | 2004-12-06 | 2006-06-12 | 엘지전자 주식회사 | 영상 신호의 스케일러블 인코딩 및 디코딩 방법 |
US20080249767A1 (en) * | 2007-04-05 | 2008-10-09 | Ali Erdem Ertan | Method and system for reducing frame erasure related error propagation in predictive speech parameter coding |
JP5113798B2 (ja) | 2009-04-20 | 2013-01-09 | パナソニックエコソリューションズ電路株式会社 | 漏電ブレーカ |
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2011
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2012
- 2012-08-31 JP JP2012191612A patent/JP5270025B2/ja not_active Expired - Fee Related
- 2012-08-31 JP JP2012191614A patent/JP5270026B2/ja not_active Expired - Fee Related
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2013
- 2013-05-17 US US13/896,399 patent/US8712765B2/en active Active
- 2013-05-17 US US13/896,397 patent/US8538765B1/en active Active
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