KR101295729B1 - 비트 레이트­규모 가변적 및 대역폭­규모 가변적 오디오디코딩에서 비트 레이트 스위칭 방법 - Google Patents

비트 레이트­규모 가변적 및 대역폭­규모 가변적 오디오디코딩에서 비트 레이트 스위칭 방법 Download PDF

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KR101295729B1
KR101295729B1 KR1020087004177A KR20087004177A KR101295729B1 KR 101295729 B1 KR101295729 B1 KR 101295729B1 KR 1020087004177 A KR1020087004177 A KR 1020087004177A KR 20087004177 A KR20087004177 A KR 20087004177A KR 101295729 B1 KR101295729 B1 KR 101295729B1
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KR20080033997A (ko
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슈테판 라고트
데이비드 비레테
발라즈스 코베지
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프랑스 텔레콤
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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
    • 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
    • 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
    • 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
    • G10L19/26—Pre-filtering or post-filtering

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  • 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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
KR1020087004177A 2005-07-22 2006-07-10 비트 레이트­규모 가변적 및 대역폭­규모 가변적 오디오디코딩에서 비트 레이트 스위칭 방법 Expired - Fee Related KR101295729B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0552286 2005-07-22
FR0552286 2005-07-22
PCT/FR2006/050697 WO2007010158A2 (fr) 2005-07-22 2006-07-10 Procede de commutation de debit en decodage audio scalable en debit et largeur de bande

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KR20080033997A KR20080033997A (ko) 2008-04-17
KR101295729B1 true KR101295729B1 (ko) 2013-08-12

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US (1) US8630864B2 (enExample)
EP (1) EP1907812B1 (enExample)
JP (1) JP5009910B2 (enExample)
KR (1) KR101295729B1 (enExample)
CN (1) CN101263554B (enExample)
AT (1) ATE490454T1 (enExample)
DE (1) DE602006018618D1 (enExample)
ES (1) ES2356492T3 (enExample)
RU (1) RU2419171C2 (enExample)
WO (1) WO2007010158A2 (enExample)

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KR20170134461A (ko) * 2015-04-05 2017-12-06 퀄컴 인코포레이티드 오디오 대역폭 선택
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RU2008106750A (ru) 2009-08-27
EP1907812A2 (fr) 2008-04-09
WO2007010158A2 (fr) 2007-01-25
ATE490454T1 (de) 2010-12-15
US20090306992A1 (en) 2009-12-10
CN101263554A (zh) 2008-09-10
CN101263554B (zh) 2011-12-28
KR20080033997A (ko) 2008-04-17
WO2007010158A3 (fr) 2007-05-10
RU2419171C2 (ru) 2011-05-20
ES2356492T3 (es) 2011-04-08
DE602006018618D1 (de) 2011-01-13
JP5009910B2 (ja) 2012-08-29
JP2009503559A (ja) 2009-01-29
US8630864B2 (en) 2014-01-14
EP1907812B1 (fr) 2010-12-01

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