DE602007012644D1 - Abspielvorrichtung und -gerät für ein Monoaudiosignal unter Verwendung von Stereoprozessinformationen - Google Patents

Abspielvorrichtung und -gerät für ein Monoaudiosignal unter Verwendung von Stereoprozessinformationen

Info

Publication number
DE602007012644D1
DE602007012644D1 DE602007012644T DE602007012644T DE602007012644D1 DE 602007012644 D1 DE602007012644 D1 DE 602007012644D1 DE 602007012644 T DE602007012644 T DE 602007012644T DE 602007012644 T DE602007012644 T DE 602007012644T DE 602007012644 D1 DE602007012644 D1 DE 602007012644D1
Authority
DE
Germany
Prior art keywords
audio signal
process information
mono audio
signal playback
stereo process
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602007012644T
Other languages
English (en)
Inventor
Chisato Kemmochi
Mitsuyuki Hatanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of DE602007012644D1 publication Critical patent/DE602007012644D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE602007012644T 2006-11-30 2007-11-22 Abspielvorrichtung und -gerät für ein Monoaudiosignal unter Verwendung von Stereoprozessinformationen Active DE602007012644D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006324775 2006-11-30
JP2007272856A JP4930320B2 (ja) 2006-11-30 2007-10-19 再生方法及び装置、プログラム並びに記録媒体

Publications (1)

Publication Number Publication Date
DE602007012644D1 true DE602007012644D1 (de) 2011-04-07

Family

ID=39487355

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007012644T Active DE602007012644D1 (de) 2006-11-30 2007-11-22 Abspielvorrichtung und -gerät für ein Monoaudiosignal unter Verwendung von Stereoprozessinformationen

Country Status (5)

Country Link
JP (1) JP4930320B2 (de)
KR (1) KR20080049632A (de)
CN (1) CN101192407B (de)
DE (1) DE602007012644D1 (de)
TW (1) TWI380287B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4588120B2 (ja) * 2009-02-19 2010-11-24 パナソニック株式会社 再生装置、記録方法、記録媒体再生システム
TWI433137B (zh) 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
KR101710113B1 (ko) * 2009-10-23 2017-02-27 삼성전자주식회사 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
CN102254560B (zh) * 2010-05-19 2013-05-08 安凯(广州)微电子技术有限公司 一种移动数字电视录像中的音频处理方法
JP6075743B2 (ja) 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
KR101118466B1 (ko) * 2010-11-08 2012-03-12 티제이미디어 주식회사 Ｖｃｄ 모노 음악의 스테레오 변환 장치 및 그 방법
EP3544006A1 (de) * 2011-11-11 2019-09-25 Dolby International AB Upsampling durch überabgetastete sbr
WO2014161996A2 (en) * 2013-04-05 2014-10-09 Dolby International Ab Audio processing system
CN105531762B (zh) 2013-09-19 2019-10-01 索尼公司 编码装置和方法、解码装置和方法以及程序
CA3162763A1 (en) 2013-12-27 2015-07-02 Sony Corporation Decoding apparatus and method, and program
JP6210338B2 (ja) * 2015-12-28 2017-10-11 ソニー株式会社 信号処理装置および方法、並びにプログラム
CN106534762B (zh) * 2016-11-16 2019-12-13 深圳市捷视飞通科技股份有限公司 低延时分布式音频处理方法及系统
JP6439843B2 (ja) * 2017-09-14 2018-12-19 ソニー株式会社 信号処理装置および方法、並びにプログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5835895A (en) * 1997-08-13 1998-11-10 Microsoft Corporation Infinite impulse response filter for 3D sound with tap delay line initialization
US6721710B1 (en) * 1999-12-13 2004-04-13 Texas Instruments Incorporated Method and apparatus for audible fast-forward or reverse of compressed audio content
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
CN1284319C (zh) * 2002-04-22 2006-11-08 西安大唐电信有限公司 一种多通道amr声码器的实现方法和设备
SE527866C2 (sv) * 2003-12-19 2006-06-27 Ericsson Telefon Ab L M Kanalsignalmaskering i multikanalsaudiosystem

Also Published As

Publication number Publication date
TWI380287B (en) 2012-12-21
CN101192407B (zh) 2011-04-13
CN101192407A (zh) 2008-06-04
KR20080049632A (ko) 2008-06-04
JP2008158496A (ja) 2008-07-10
TW200830276A (en) 2008-07-16
JP4930320B2 (ja) 2012-05-16

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