ES2508590T3 - Método de codificación, método de decodificación, aparato codificador, aparato decodificador, programa y medio de grabación - Google Patents

Método de codificación, método de decodificación, aparato codificador, aparato decodificador, programa y medio de grabación Download PDF

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Publication number
ES2508590T3
ES2508590T3 ES11731847.7T ES11731847T ES2508590T3 ES 2508590 T3 ES2508590 T3 ES 2508590T3 ES 11731847 T ES11731847 T ES 11731847T ES 2508590 T3 ES2508590 T3 ES 2508590T3
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Spain
Prior art keywords
tone
gain
code
quantized
time interval
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ES11731847.7T
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English (en)
Spanish (es)
Inventor
Takehiro Moriya
Noboru Harada
Yutaka Kamamoto
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NTT Inc
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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
    • 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
    • G10L19/02—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)
ES11731847.7T 2010-01-08 2011-01-07 Método de codificación, método de decodificación, aparato codificador, aparato decodificador, programa y medio de grabación Active ES2508590T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010002494 2010-01-08
JP2010002494 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

Publications (1)

Publication Number Publication Date
ES2508590T3 true ES2508590T3 (es) 2014-10-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
ES11731847.7T Active ES2508590T3 (es) 2010-01-08 2011-01-07 Método de codificación, método de decodificación, aparato codificador, aparato decodificador, programa y medio de grabación

Country Status (9)

Country Link
US (4) US9812141B2 (enExample)
EP (1) EP2523189B1 (enExample)
JP (3) JP5314771B2 (enExample)
KR (1) KR101381272B1 (enExample)
CN (2) CN102687199B (enExample)
ES (1) ES2508590T3 (enExample)
IN (1) IN2012DN05235A (enExample)
RU (1) RU2510974C2 (enExample)
WO (1) WO2011083849A1 (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
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Also Published As

Publication number Publication date
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
US10049679B2 (en) 2018-08-14
RU2012127132A (ru) 2014-02-27
CN102687199B (zh) 2015-11-25
US20180040329A1 (en) 2018-02-08
US20120265525A1 (en) 2012-10-18
CN105374362A (zh) 2016-03-02

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