CN102687199B - 编码方法、解码方法、编码装置、解码装置 - Google Patents

编码方法、解码方法、编码装置、解码装置 Download PDF

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Publication number
CN102687199B
CN102687199B CN201180005221.2A CN201180005221A CN102687199B CN 102687199 B CN102687199 B CN 102687199B CN 201180005221 A CN201180005221 A CN 201180005221A CN 102687199 B CN102687199 B CN 102687199B
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gain
quantized
code
pitch
value
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CN102687199A (zh
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守谷健弘
原田登
鎌本优
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Entiti Corp
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Nippon Telegraph and Telephone Corp
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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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201180005221.2A 2010-01-08 2011-01-07 编码方法、解码方法、编码装置、解码装置 Active CN102687199B (zh)

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JP2010002494 2010-01-08
JP2010-002494 2010-01-08
PCT/JP2011/050186 WO2011083849A1 (ja) 2010-01-08 2011-01-07 符号化方法、復号方法、符号化装置、復号装置、プログラムおよび記録媒体

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EP (1) EP2523189B1 (enExample)
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KR (1) KR101381272B1 (enExample)
CN (2) CN102687199B (enExample)
ES (1) ES2508590T3 (enExample)
IN (1) IN2012DN05235A (enExample)
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CN109309548B (zh) * 2018-05-11 2020-01-03 深圳市华星光电技术有限公司 编码方法、设备及可读存储介质
JP7516251B2 (ja) * 2018-07-02 2024-07-16 ドルビー ラボラトリーズ ライセンシング コーポレイション 没入的オーディオ信号をエンコードおよび／またはデコードするための方法および装置
JP7311319B2 (ja) * 2019-06-19 2023-07-19 ファナック株式会社 時系列データ表示装置
KR20230003546A (ko) * 2020-08-28 2023-01-06 구글 엘엘씨 오디오 코덱의 감각 불협화음 및 사운드 정위 큐의 불변성 유지
CN115438704B (zh) * 2022-11-04 2023-01-20 摩尔线程智能科技(北京)有限责任公司 从信号中提取周期性码型的装置及其方法、电子设备

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EP2523189A1 (en) 2012-11-14
JP5442887B2 (ja) 2014-03-12
US9812141B2 (en) 2017-11-07
JP2013156649A (ja) 2013-08-15
CN105374362B (zh) 2019-05-10
JPWO2011083849A1 (ja) 2013-05-16
JP2013137574A (ja) 2013-07-11
WO2011083849A1 (ja) 2011-07-14
US20180040330A1 (en) 2018-02-08
US10056088B2 (en) 2018-08-21
CN102687199A (zh) 2012-09-19
IN2012DN05235A (enExample) 2015-10-23
US20180047402A1 (en) 2018-02-15
US10049680B2 (en) 2018-08-14
RU2510974C2 (ru) 2014-04-10
KR20120089349A (ko) 2012-08-09
EP2523189A4 (en) 2013-08-14
JP5627144B2 (ja) 2014-11-19
JP5314771B2 (ja) 2013-10-16
KR101381272B1 (ko) 2014-04-07
EP2523189B1 (en) 2014-09-03
ES2508590T3 (es) 2014-10-16
US10049679B2 (en) 2018-08-14
RU2012127132A (ru) 2014-02-27
US20180040329A1 (en) 2018-02-08
US20120265525A1 (en) 2012-10-18
CN105374362A (zh) 2016-03-02

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