CN102576540B - 一种处理音频信号的方法和装置 - Google Patents
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- 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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- 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
- G10L19/02—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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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- 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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Abstract
Description
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(A) | N/4或256 | 0 | N/4或256 | 0 | N/4或256 | 0 |
(B) | N/2或512 | N/8或128 | N/4或256 | N/4或256 | N/4或256 | N/8或128 |
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仅长窗口 | 0 |
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Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310579014.9A CN103761971B (zh) | 2009-07-27 | 2010-07-27 | 一种处理音频信号的方法和装置 |
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US22895909P | 2009-07-27 | 2009-07-27 | |
US61/228,959 | 2009-07-27 | ||
US22897609P | 2009-07-28 | 2009-07-28 | |
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US23200709P | 2009-08-07 | 2009-08-07 | |
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US24351409P | 2009-09-17 | 2009-09-17 | |
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PCT/KR2010/004918 WO2011013980A2 (en) | 2009-07-27 | 2010-07-27 | A method and an apparatus for processing an audio signal |
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CN201310579014.9A Division CN103761971B (zh) | 2009-07-27 | 2010-07-27 | 一种处理音频信号的方法和装置 |
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CN102576540A CN102576540A (zh) | 2012-07-11 |
CN102576540B true CN102576540B (zh) | 2013-12-18 |
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CN2010800425406A Active CN102576540B (zh) | 2009-07-27 | 2010-07-27 | 一种处理音频信号的方法和装置 |
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US (7) | US8892427B2 (zh) |
EP (2) | EP2460158A4 (zh) |
JP (1) | JP5547810B2 (zh) |
KR (1) | KR101410312B1 (zh) |
CN (2) | CN103761971B (zh) |
WO (4) | WO2011013982A2 (zh) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2460158A4 (en) | 2009-07-27 | 2013-09-04 | METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL | |
WO2011034375A2 (en) * | 2009-09-17 | 2011-03-24 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
EP2581902A4 (en) * | 2010-06-14 | 2015-04-08 | Panasonic Corp | HYBRID AUDIO ENCODING DEVICE AND HYBRID AUDIO DECODING DEVICE |
US8924200B2 (en) * | 2010-10-15 | 2014-12-30 | Motorola Mobility Llc | Audio signal bandwidth extension in CELP-based speech coder |
WO2012070866A2 (ko) * | 2010-11-24 | 2012-05-31 | 엘지전자 주식회사 | 스피치 시그널 부호화 방법 및 복호화 방법 |
CN103548080B (zh) * | 2012-05-11 | 2017-03-08 | 松下电器产业株式会社 | 声音信号混合编码器、声音信号混合解码器、声音信号编码方法以及声音信号解码方法 |
KR20150032614A (ko) * | 2012-06-04 | 2015-03-27 | 삼성전자주식회사 | 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 및 이를 채용하는 멀티미디어 기기 |
CA2900437C (en) | 2013-02-20 | 2020-07-21 | Christian Helmrich | Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap |
JP6179122B2 (ja) * | 2013-02-20 | 2017-08-16 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム |
CN103280222B (zh) * | 2013-06-03 | 2014-08-06 | 腾讯科技(深圳)有限公司 | 音频编码、解码方法及其系统 |
CN105359210B (zh) | 2013-06-21 | 2019-06-14 | 弗朗霍夫应用科学研究促进协会 | Fdns应用前实现将mdct频谱衰落到白噪声的装置及方法 |
PL3011554T3 (pl) | 2013-06-21 | 2019-12-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Szacowanie opóźnienia wysokości tonu |
CN110931025A (zh) | 2013-06-21 | 2020-03-27 | 弗朗霍夫应用科学研究促进协会 | 利用改进的脉冲再同步化的似acelp隐藏中的自适应码本的改进隐藏的装置及方法 |
EP3152286B1 (en) | 2014-06-09 | 2020-01-22 | Stepan Company | Detergents for cold-water cleaning |
EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
FR3024581A1 (fr) | 2014-07-29 | 2016-02-05 | Orange | Determination d'un budget de codage d'une trame de transition lpd/fd |
JP6561499B2 (ja) * | 2015-03-05 | 2019-08-21 | ヤマハ株式会社 | 音声合成装置および音声合成方法 |
US9900636B2 (en) | 2015-08-14 | 2018-02-20 | The Nielsen Company (Us), Llc | Reducing signature matching uncertainty in media monitoring systems |
CN109389987B (zh) | 2017-08-10 | 2022-05-10 | 华为技术有限公司 | 音频编解码模式确定方法和相关产品 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5890106A (en) * | 1996-03-19 | 1999-03-30 | Dolby Laboratories Licensing Corporation | Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation |
US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
CN101061533A (zh) * | 2004-10-26 | 2007-10-24 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
US20080052068A1 (en) * | 1998-09-23 | 2008-02-28 | Aguilar Joseph G | Scalable and embedded codec for speech and audio signals |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5848391A (en) | 1996-07-11 | 1998-12-08 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method subband of coding and decoding audio signals using variable length windows |
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 |
ES2247741T3 (es) | 1998-01-22 | 2006-03-01 | Deutsche Telekom Ag | Metodo para conmutacion controlada por señales entre esquemas de codificacion de audio. |
BRPI0113271B1 (pt) * | 2000-08-16 | 2016-01-26 | Dolby Lab Licensing Corp | método para modificar a operação da função codificadora e/ou da função decodificadora de um sistema de codificação perceptual de acordo com informação suplementar |
US7424434B2 (en) * | 2002-09-04 | 2008-09-09 | Microsoft Corporation | Unified lossy and lossless audio compression |
JP2005083346A (ja) * | 2003-09-11 | 2005-03-31 | Hino Motors Ltd | 排気浄化装置 |
US7325023B2 (en) * | 2003-09-29 | 2008-01-29 | Sony Corporation | Method of making a window type decision based on MDCT data in audio encoding |
US6980933B2 (en) * | 2004-01-27 | 2005-12-27 | Dolby Laboratories Licensing Corporation | Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients |
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 |
US7516064B2 (en) * | 2004-02-19 | 2009-04-07 | Dolby Laboratories Licensing Corporation | Adaptive hybrid transform for signal analysis and synthesis |
BRPI0418839A (pt) * | 2004-05-17 | 2007-11-13 | Nokia Corp | método para suportar e dispositivo eletrÈnico suportando uma codificação de um sinal de áudio, sistema de codificação de áudio, e, produto de programa de software |
CN101124740B (zh) | 2005-02-23 | 2012-05-30 | 艾利森电话股份有限公司 | 多声道音频信号编码和解码的方法和装置和音频传送系统 |
EP1952113A4 (en) | 2005-10-05 | 2009-05-27 | Lg Electronics Inc | METHOD AND DEVICE FOR SIGNAL PROCESSING AND CODING AND DECODING METHOD AND DEVICE THEREFOR |
WO2008071353A2 (en) | 2006-12-12 | 2008-06-19 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V: | Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream |
PL2311032T3 (pl) | 2008-07-11 | 2016-06-30 | Fraunhofer Ges Forschung | Koder i dekoder audio do kodowania i dekodowania próbek audio |
EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
US8352279B2 (en) | 2008-09-06 | 2013-01-08 | Huawei Technologies Co., Ltd. | Efficient temporal envelope coding approach by prediction between low band signal and high band signal |
JP5555707B2 (ja) | 2008-10-08 | 2014-07-23 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | マルチ分解能切替型のオーディオ符号化及び復号化スキーム |
KR101315617B1 (ko) | 2008-11-26 | 2013-10-08 | 광운대학교 산학협력단 | 모드 스위칭에 기초하여 윈도우 시퀀스를 처리하는 통합 음성/오디오 부/복호화기 |
PL3246919T3 (pl) | 2009-01-28 | 2021-03-08 | Dolby International Ab | Ulepszona transpozycja harmonicznych |
US8655294B2 (en) * | 2009-05-26 | 2014-02-18 | Qualcomm Incorporated | Method and apparatus for position signal assisted window placement |
CA2763793C (en) * | 2009-06-23 | 2017-05-09 | Voiceage Corporation | Forward time-domain aliasing cancellation with application in weighted or original signal domain |
EP2460158A4 (en) | 2009-07-27 | 2013-09-04 | METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL | |
EP2524374B1 (en) * | 2010-01-13 | 2018-10-31 | Voiceage Corporation | Audio decoding with forward time-domain aliasing cancellation using linear-predictive filtering |
US20130287109A1 (en) * | 2012-04-29 | 2013-10-31 | Qualcomm Incorporated | Inter-layer prediction through texture segmentation for video coding |
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2010
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- 2010-07-27 KR KR1020127004761A patent/KR101410312B1/ko active IP Right Grant
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2017
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2019
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2022
- 2022-01-31 US US17/589,228 patent/USRE49813E1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5890106A (en) * | 1996-03-19 | 1999-03-30 | Dolby Laboratories Licensing Corporation | Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation |
US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
US20080052068A1 (en) * | 1998-09-23 | 2008-02-28 | Aguilar Joseph G | Scalable and embedded codec for speech and audio signals |
CN101061533A (zh) * | 2004-10-26 | 2007-10-24 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
Non-Patent Citations (1)
Title |
---|
Jeremie Lecomte,et al..Efficient cross-fade windows for transitions between LPC-based and non-LPC based audio coding.《Audio Engineering Society,AES 126th Convention》.2009,1-9. * |
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WO2011013981A3 (en) | 2011-04-28 |
US9064490B2 (en) | 2015-06-23 |
WO2011013982A2 (en) | 2011-02-03 |
WO2011013980A3 (en) | 2011-04-21 |
WO2011013983A2 (en) | 2011-02-03 |
WO2011013980A4 (en) | 2011-06-09 |
EP2460158A2 (en) | 2012-06-06 |
CN103761971A (zh) | 2014-04-30 |
US8892427B2 (en) | 2014-11-18 |
KR101410312B1 (ko) | 2014-06-27 |
EP2460158A4 (en) | 2013-09-04 |
US20130325486A1 (en) | 2013-12-05 |
WO2011013980A2 (en) | 2011-02-03 |
USRE48916E1 (en) | 2022-02-01 |
US9214160B2 (en) | 2015-12-15 |
USRE47536E1 (en) | 2019-07-23 |
CN102576540A (zh) | 2012-07-11 |
US20130332149A1 (en) | 2013-12-12 |
US20120185257A1 (en) | 2012-07-19 |
US20130325487A1 (en) | 2013-12-05 |
WO2011013982A3 (en) | 2011-04-21 |
EP3474279A1 (en) | 2019-04-24 |
JP5547810B2 (ja) | 2014-07-16 |
WO2011013983A3 (en) | 2011-04-28 |
USRE49813E1 (en) | 2024-01-23 |
JP2013500506A (ja) | 2013-01-07 |
US9082399B2 (en) | 2015-07-14 |
CN103761971B (zh) | 2017-01-11 |
KR20120061844A (ko) | 2012-06-13 |
WO2011013981A2 (en) | 2011-02-03 |
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