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DE60139144D1 - Audio-dekodierer und audio-dekodierungsverfahren - Google Patents

Audio-dekodierer und audio-dekodierungsverfahren

Info

Publication number
DE60139144D1
DE60139144D1 DE60139144T DE60139144T DE60139144D1 DE 60139144 D1 DE60139144 D1 DE 60139144D1 DE 60139144 T DE60139144 T DE 60139144T DE 60139144 T DE60139144 T DE 60139144T DE 60139144 D1 DE60139144 D1 DE 60139144D1
Authority
DE
Germany
Prior art keywords
audio
decoding method
decoder
audio decoder
audio decoding
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.)
Expired - Lifetime
Application number
DE60139144T
Other languages
English (en)
Inventor
Hiroyuki Ehara
Kazutoshi Yasunaga
Kazunori Mano
Yusuke Hiwasaki
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.)
Panasonic Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Panasonic Corp
Nippon Telegraph and Telephone 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 Panasonic Corp, Nippon Telegraph and Telephone Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of DE60139144D1 publication Critical patent/DE60139144D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
    • 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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE60139144T 2000-11-30 2001-11-30 Audio-dekodierer und audio-dekodierungsverfahren Expired - Lifetime DE60139144D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000366342 2000-11-30
PCT/JP2001/010519 WO2002045078A1 (en) 2000-11-30 2001-11-30 Audio decoder and audio decoding method

Publications (1)

Publication Number Publication Date
DE60139144D1 true DE60139144D1 (de) 2009-08-13

Family

ID=18836986

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60139144T Expired - Lifetime DE60139144D1 (de) 2000-11-30 2001-11-30 Audio-dekodierer und audio-dekodierungsverfahren

Country Status (9)

Country Link
US (1) US7478042B2 (de)
EP (1) EP1339041B1 (de)
KR (1) KR100566163B1 (de)
CN (1) CN1210690C (de)
AU (1) AU2002218520A1 (de)
CA (1) CA2430319C (de)
CZ (1) CZ20031767A3 (de)
DE (1) DE60139144D1 (de)
WO (1) WO2002045078A1 (de)

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EP2040251B1 (de) 2006-07-12 2019-10-09 III Holdings 12, LLC Audiodekodierungseinrichtung und audiokodierungseinrichtung
EP2096631A4 (de) * 2006-12-13 2012-07-25 Panasonic Corp Tondekodierungsvorrichtung und leistungseinstellungsverfahren
AU2008215232B2 (en) 2007-02-14 2010-02-25 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
WO2008108082A1 (ja) * 2007-03-02 2008-09-12 Panasonic Corporation 音声復号装置および音声復号方法
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FR2938688A1 (fr) * 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique
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US9258661B2 (en) * 2013-05-16 2016-02-09 Qualcomm Incorporated Automated gain matching for multiple microphones
KR20150032390A (ko) * 2013-09-16 2015-03-26 삼성전자주식회사 음성 명료도 향상을 위한 음성 신호 처리 장치 및 방법
JP6996185B2 (ja) * 2017-09-15 2022-01-17 富士通株式会社 発話区間検出装置、発話区間検出方法及び発話区間検出用コンピュータプログラム

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Also Published As

Publication number Publication date
EP1339041B1 (de) 2009-07-01
CA2430319C (en) 2011-03-01
EP1339041A1 (de) 2003-08-27
CN1484823A (zh) 2004-03-24
CN1210690C (zh) 2005-07-13
US20040049380A1 (en) 2004-03-11
CA2430319A1 (en) 2002-06-06
CZ20031767A3 (cs) 2003-11-12
US7478042B2 (en) 2009-01-13
EP1339041A4 (de) 2005-10-12
WO2002045078A1 (en) 2002-06-06
KR100566163B1 (ko) 2006-03-29
AU2002218520A1 (en) 2002-06-11
KR20040029312A (ko) 2004-04-06

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Legal Events

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