CN101842832A - 编码装置和解码装置 - Google Patents
编码装置和解码装置 Download PDFInfo
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- CN101842832A CN101842832A CN200880113728A CN200880113728A CN101842832A CN 101842832 A CN101842832 A CN 101842832A CN 200880113728 A CN200880113728 A CN 200880113728A CN 200880113728 A CN200880113728 A CN 200880113728A CN 101842832 A CN101842832 A CN 101842832A
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- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/02—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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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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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- Audiology, Speech & Language Pathology (AREA)
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- Acoustics & Sound (AREA)
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Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP284622/07 | 2007-10-31 | ||
JP2007284622 | 2007-10-31 | ||
PCT/JP2008/003151 WO2009057327A1 (ja) | 2007-10-31 | 2008-10-31 | 符号化装置および復号装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101842832A true CN101842832A (zh) | 2010-09-22 |
CN101842832B CN101842832B (zh) | 2012-11-07 |
Family
ID=40590731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008801137288A Expired - Fee Related CN101842832B (zh) | 2007-10-31 | 2008-10-31 | 编码装置和解码装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8374883B2 (zh) |
EP (1) | EP2209114B1 (zh) |
JP (1) | JP5413839B2 (zh) |
CN (1) | CN101842832B (zh) |
WO (1) | WO2009057327A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107134280A (zh) * | 2013-09-12 | 2017-09-05 | 杜比国际公司 | 多声道音频内容的编码 |
WO2019227991A1 (zh) * | 2018-05-31 | 2019-12-05 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
CN110719564A (zh) * | 2018-07-13 | 2020-01-21 | 青岛海信电器股份有限公司 | 音效处理方法和装置 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8359196B2 (en) * | 2007-12-28 | 2013-01-22 | Panasonic Corporation | Stereo sound decoding apparatus, stereo sound encoding apparatus and lost-frame compensating method |
US8140723B2 (en) * | 2008-11-04 | 2012-03-20 | Renesas Electronics America Inc. | Digital I/O signal scheduler |
GB2470059A (en) * | 2009-05-08 | 2010-11-10 | Nokia Corp | Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter |
CN102598124B (zh) | 2009-10-30 | 2013-08-28 | 松下电器产业株式会社 | 编码装置、解码装置及其方法 |
US9240192B2 (en) | 2010-07-06 | 2016-01-19 | Panasonic Intellectual Property Corporation Of America | Device and method for efficiently encoding quantization parameters of spectral coefficient coding |
EP2609592B1 (en) * | 2010-08-24 | 2014-11-05 | Dolby International AB | Concealment of intermittent mono reception of fm stereo radio receivers |
JP5841147B2 (ja) * | 2011-07-01 | 2016-01-13 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America | 受信装置、送信装置、設定方法、及び特定方法 |
US9779731B1 (en) * | 2012-08-20 | 2017-10-03 | Amazon Technologies, Inc. | Echo cancellation based on shared reference signals |
US9830917B2 (en) | 2013-02-14 | 2017-11-28 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
WO2014126689A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for controlling the inter-channel coherence of upmixed audio signals |
TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
US10147441B1 (en) | 2013-12-19 | 2018-12-04 | Amazon Technologies, Inc. | Voice controlled system |
US10475457B2 (en) | 2017-07-03 | 2019-11-12 | Qualcomm Incorporated | Time-domain inter-channel prediction |
US10734001B2 (en) * | 2017-10-05 | 2020-08-04 | Qualcomm Incorporated | Encoding or decoding of audio signals |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5434948A (en) * | 1989-06-15 | 1995-07-18 | British Telecommunications Public Limited Company | Polyphonic coding |
JP3343962B2 (ja) * | 1992-11-11 | 2002-11-11 | ソニー株式会社 | 高能率符号化方法及び装置 |
DE4320990B4 (de) | 1993-06-05 | 2004-04-29 | Robert Bosch Gmbh | Verfahren zur Redundanzreduktion |
DE19526366A1 (de) | 1995-07-20 | 1997-01-23 | Bosch Gmbh Robert | Verfahren zur Redundanzreduktion bei der Codierung von mehrkanaligen Signalen und Vorrichtung zur Dekodierung von redundanzreduzierten, mehrkanaligen Signalen |
US5812971A (en) * | 1996-03-22 | 1998-09-22 | Lucent Technologies Inc. | Enhanced joint stereo coding method using temporal envelope shaping |
SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
SE519552C2 (sv) * | 1998-09-30 | 2003-03-11 | Ericsson Telefon Ab L M | Flerkanalig signalkodning och -avkodning |
US6463410B1 (en) * | 1998-10-13 | 2002-10-08 | Victor Company Of Japan, Ltd. | Audio signal processing apparatus |
JP4367455B2 (ja) * | 1998-10-13 | 2009-11-18 | 日本ビクター株式会社 | 音声信号伝送方法及び音声信号復号方法 |
US7240001B2 (en) * | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
US7191136B2 (en) * | 2002-10-01 | 2007-03-13 | Ibiquity Digital Corporation | Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband |
JP4195598B2 (ja) * | 2002-10-31 | 2008-12-10 | 日本電信電話株式会社 | 符号化方法、復号化方法、符号化装置、復号化装置、符号化プログラム、復号化プログラム |
CN100546233C (zh) * | 2003-04-30 | 2009-09-30 | 诺基亚公司 | 用于支持多声道音频扩展的方法和设备 |
ATE474310T1 (de) * | 2004-05-28 | 2010-07-15 | Nokia Corp | Mehrkanalige audio-erweiterung |
ATE442644T1 (de) * | 2004-08-26 | 2009-09-15 | Panasonic Corp | Mehrkanalige signal-dekodierung |
SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
JP4977471B2 (ja) * | 2004-11-05 | 2012-07-18 | パナソニック株式会社 | 符号化装置及び符号化方法 |
US20080162148A1 (en) * | 2004-12-28 | 2008-07-03 | Matsushita Electric Industrial Co., Ltd. | Scalable Encoding Apparatus And Scalable Encoding Method |
US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
JP4809370B2 (ja) | 2005-02-23 | 2011-11-09 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | マルチチャネル音声符号化における適応ビット割り当て |
EP1876585B1 (en) * | 2005-04-28 | 2010-06-16 | Panasonic Corporation | Audio encoding device and audio encoding method |
JP4948401B2 (ja) * | 2005-05-31 | 2012-06-06 | パナソニック株式会社 | スケーラブル符号化装置およびスケーラブル符号化方法 |
WO2007026763A1 (ja) * | 2005-08-31 | 2007-03-08 | Matsushita Electric Industrial Co., Ltd. | ステレオ符号化装置、ステレオ復号装置、及びステレオ符号化方法 |
WO2007052612A1 (ja) * | 2005-10-31 | 2007-05-10 | Matsushita Electric Industrial Co., Ltd. | ステレオ符号化装置およびステレオ信号予測方法 |
US20090276210A1 (en) * | 2006-03-31 | 2009-11-05 | Panasonic Corporation | Stereo audio encoding apparatus, stereo audio decoding apparatus, and method thereof |
JP4989095B2 (ja) * | 2006-04-06 | 2012-08-01 | 日本電信電話株式会社 | マルチチャネル符号化方法、その装置、そのプログラム及び記録媒体 |
JP4399832B2 (ja) * | 2006-07-07 | 2010-01-20 | 日本ビクター株式会社 | 音声符号化方法、音声復号化方法及び音声信号伝送方法 |
DE102006055737A1 (de) * | 2006-11-25 | 2008-05-29 | Deutsche Telekom Ag | Verfahren zur skalierbaren Codierung von Stereo-Signalen |
-
2008
- 2008-10-31 WO PCT/JP2008/003151 patent/WO2009057327A1/ja active Application Filing
- 2008-10-31 JP JP2009538954A patent/JP5413839B2/ja not_active Expired - Fee Related
- 2008-10-31 EP EP08845514.2A patent/EP2209114B1/en not_active Not-in-force
- 2008-10-31 CN CN2008801137288A patent/CN101842832B/zh not_active Expired - Fee Related
- 2008-10-31 US US12/740,020 patent/US8374883B2/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107134280A (zh) * | 2013-09-12 | 2017-09-05 | 杜比国际公司 | 多声道音频内容的编码 |
CN107134280B (zh) * | 2013-09-12 | 2020-10-23 | 杜比国际公司 | 多声道音频内容的编码 |
US11410665B2 (en) | 2013-09-12 | 2022-08-09 | Dolby International Ab | Methods and apparatus for decoding encoded audio signal(s) |
US11776552B2 (en) | 2013-09-12 | 2023-10-03 | Dolby International Ab | Methods and apparatus for decoding encoded audio signal(s) |
WO2019227991A1 (zh) * | 2018-05-31 | 2019-12-05 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
CN110719564A (zh) * | 2018-07-13 | 2020-01-21 | 青岛海信电器股份有限公司 | 音效处理方法和装置 |
CN110719564B (zh) * | 2018-07-13 | 2021-06-08 | 海信视像科技股份有限公司 | 音效处理方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2209114B1 (en) | 2014-05-14 |
EP2209114A4 (en) | 2011-09-28 |
CN101842832B (zh) | 2012-11-07 |
JPWO2009057327A1 (ja) | 2011-03-10 |
JP5413839B2 (ja) | 2014-02-12 |
EP2209114A1 (en) | 2010-07-21 |
US8374883B2 (en) | 2013-02-12 |
WO2009057327A1 (ja) | 2009-05-07 |
US20100250244A1 (en) | 2010-09-30 |
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