ATE540400T1 - Verfahren und vorrichtung zur parametrischen stereo-audiodekodierung - Google Patents

Verfahren und vorrichtung zur parametrischen stereo-audiodekodierung

Info

Publication number
ATE540400T1
ATE540400T1 AT09169818T AT09169818T ATE540400T1 AT E540400 T1 ATE540400 T1 AT E540400T1 AT 09169818 T AT09169818 T AT 09169818T AT 09169818 T AT09169818 T AT 09169818T AT E540400 T1 ATE540400 T1 AT E540400T1
Authority
AT
Austria
Prior art keywords
decoded
similarity
degree
intensity difference
signals
Prior art date
Application number
AT09169818T
Other languages
English (en)
Inventor
Masanao Suzuki
Miyuki Shirakawa
Yoshiteru Tsuchinaga
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of ATE540400T1 publication Critical patent/ATE540400T1/de

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Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
AT09169818T 2008-09-26 2009-09-09 Verfahren und vorrichtung zur parametrischen stereo-audiodekodierung ATE540400T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008247213A JP5326465B2 (ja) 2008-09-26 2008-09-26 オーディオ復号方法、装置、及びプログラム

Publications (1)

Publication Number Publication Date
ATE540400T1 true ATE540400T1 (de) 2012-01-15

Family

ID=41508849

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09169818T ATE540400T1 (de) 2008-09-26 2009-09-09 Verfahren und vorrichtung zur parametrischen stereo-audiodekodierung

Country Status (4)

Country Link
US (1) US8619999B2 (de)
EP (1) EP2169667B1 (de)
JP (1) JP5326465B2 (de)
AT (1) ATE540400T1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5309944B2 (ja) * 2008-12-11 2013-10-09 富士通株式会社 オーディオ復号装置、方法、及びプログラム
CN102257567B (zh) 2009-10-21 2014-05-07 松下电器产业株式会社 音响信号处理装置、音响编码装置及音响解码装置
EP2434783B1 (de) * 2010-09-24 2014-06-11 Panasonic Automotive Systems Europe GmbH Automatische Stereoanpassung
EP2740222B1 (de) * 2011-08-04 2015-04-22 Dolby International AB Verbesserter fm-stereofunkempfänger mit parametrischem stereo
JP5737077B2 (ja) * 2011-08-30 2015-06-17 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及びオーディオ符号化用コンピュータプログラム
SG10201608613QA (en) 2013-01-29 2016-12-29 Fraunhofer Ges Forschung Decoder For Generating A Frequency Enhanced Audio Signal, Method Of Decoding, Encoder For Generating An Encoded Signal And Method Of Encoding Using Compact Selection Side Information
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
EP2956935B1 (de) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Steuerung der interkanalkohärenz von aufwärtsgemischten audiosignalen
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
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
WO2023119555A1 (ja) * 2021-12-23 2023-06-29 三菱電機株式会社 音響復号装置、プログラム及び音響復号方法
WO2025100750A1 (ko) * 2023-11-07 2025-05-15 삼성전자 주식회사 오디오 서비스를 제공하는 전자 장치 및 그 동작 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2953238B2 (ja) * 1993-02-09 1999-09-27 日本電気株式会社 音質主観評価予測方式
JPH10294668A (ja) * 1997-04-22 1998-11-04 Matsushita Electric Ind Co Ltd オーディオ符号化データ復号化方法、オーディオ符号化データ復号化装置、及び記録媒体
SE519563C2 (sv) 1998-09-16 2003-03-11 Ericsson Telefon Ab L M Förfarande och kodare för linjär prediktiv analys-genom- synteskodning
JP4507046B2 (ja) * 2001-01-25 2010-07-21 ソニー株式会社 データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体
US7082220B2 (en) * 2001-01-25 2006-07-25 Sony Corporation Data processing apparatus
TWI393121B (zh) * 2004-08-25 2013-04-11 杜比實驗室特許公司 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
JP2006067367A (ja) * 2004-08-27 2006-03-09 Matsushita Electric Ind Co Ltd 符号化オーディオ信号の編集装置
SE0402652D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
MX2007005261A (es) 2004-11-04 2007-07-09 Koninkl Philips Electronics Nv Codificacion y descodificacion de un conjunto de senales.
KR101562379B1 (ko) * 2005-09-13 2015-10-22 코닌클리케 필립스 엔.브이. 공간 디코더 유닛 및 한 쌍의 바이노럴 출력 채널들을 생성하기 위한 방법
JP4512016B2 (ja) 2005-09-16 2010-07-28 日本電信電話株式会社 ステレオ信号符号化装置、ステレオ信号符号化方法、プログラム及び記録媒体
JP5309944B2 (ja) * 2008-12-11 2013-10-09 富士通株式会社 オーディオ復号装置、方法、及びプログラム

Also Published As

Publication number Publication date
JP2010078915A (ja) 2010-04-08
US8619999B2 (en) 2013-12-31
EP2169667B1 (de) 2012-01-04
JP5326465B2 (ja) 2013-10-30
EP2169667A1 (de) 2010-03-31
US20100080397A1 (en) 2010-04-01

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