ATE474310T1 - Mehrkanalige audio-erweiterung - Google Patents

Mehrkanalige audio-erweiterung

Info

Publication number
ATE474310T1
ATE474310T1 AT04735293T AT04735293T ATE474310T1 AT E474310 T1 ATE474310 T1 AT E474310T1 AT 04735293 T AT04735293 T AT 04735293T AT 04735293 T AT04735293 T AT 04735293T AT E474310 T1 ATE474310 T1 AT E474310T1
Authority
AT
Austria
Prior art keywords
multichannel audio
frequency domain
frequency
region
multichannel
Prior art date
Application number
AT04735293T
Other languages
English (en)
Inventor
Juha Ojanperae
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE474310T1 publication Critical patent/ATE474310T1/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic System (AREA)
AT04735293T 2004-05-28 2004-05-28 Mehrkanalige audio-erweiterung ATE474310T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/001764 WO2006000842A1 (en) 2004-05-28 2004-05-28 Multichannel audio extension

Publications (1)

Publication Number Publication Date
ATE474310T1 true ATE474310T1 (de) 2010-07-15

Family

ID=34957655

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04735293T ATE474310T1 (de) 2004-05-28 2004-05-28 Mehrkanalige audio-erweiterung

Country Status (5)

Country Link
US (1) US7620554B2 (de)
EP (1) EP1749296B1 (de)
AT (1) ATE474310T1 (de)
DE (1) DE602004028171D1 (de)
WO (1) WO2006000842A1 (de)

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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
JP5609737B2 (ja) 2010-04-13 2014-10-22 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
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
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
US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
US8868432B2 (en) * 2010-10-15 2014-10-21 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
KR20120046627A (ko) * 2010-11-02 2012-05-10 삼성전자주식회사 화자 적응 방법 및 장치
JP5942358B2 (ja) 2011-08-24 2016-06-29 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
EP2981960B1 (de) 2013-04-05 2019-03-13 Dolby International AB Stereoaudiocodierer und -decodierer
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KR102356012B1 (ko) 2013-12-27 2022-01-27 소니그룹주식회사 복호화 장치 및 방법, 및 프로그램
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Also Published As

Publication number Publication date
EP1749296A1 (de) 2007-02-07
DE602004028171D1 (de) 2010-08-26
US7620554B2 (en) 2009-11-17
EP1749296B1 (de) 2010-07-14
WO2006000842A1 (en) 2006-01-05
US20050267763A1 (en) 2005-12-01

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