JP5873936B2 - 知覚的オーディオコーデックにおけるハーモニック信号のための位相コヒーレンス制御 - Google Patents

知覚的オーディオコーデックにおけるハーモニック信号のための位相コヒーレンス制御 Download PDF

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JP5873936B2
JP5873936B2 JP2014559187A JP2014559187A JP5873936B2 JP 5873936 B2 JP5873936 B2 JP 5873936B2 JP 2014559187 A JP2014559187 A JP 2014559187A JP 2014559187 A JP2014559187 A JP 2014559187A JP 5873936 B2 JP5873936 B2 JP 5873936B2
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audio signal
control information
phase
decoder
signal
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JP2015508911A (ja
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ディッシュ，サッシャ
ヘルレ，ユルゲン
エドラー，ベルント
ナーゲル，フレデリック
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フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン
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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
    • G10L19/02—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
    • 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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • 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
    • G10L19/0212—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 orthogonal transformation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
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  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
JP2014559187A 2012-02-27 2013-02-26 知覚的オーディオコーデックにおけるハーモニック信号のための位相コヒーレンス制御 Active JP5873936B2 (ja)

Applications Claiming Priority (5)

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US201261603773P 2012-02-27 2012-02-27
US61/603,773 2012-02-27
EP12178265.0 2012-07-27
EP12178265.0A EP2631906A1 (en) 2012-02-27 2012-07-27 Phase coherence control for harmonic signals in perceptual audio codecs
PCT/EP2013/053831 WO2013127801A1 (en) 2012-02-27 2013-02-26 Phase coherence control for harmonic signals in perceptual audio codecs

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JP2015508911A JP2015508911A (ja) 2015-03-23
JP5873936B2 true JP5873936B2 (ja) 2016-03-01

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US (1) US10818304B2 (https=)
EP (2) EP2631906A1 (https=)
JP (1) JP5873936B2 (https=)
KR (1) KR101680953B1 (https=)
CN (1) CN104170009B (https=)
AU (1) AU2013225076B2 (https=)
BR (1) BR112014021054B1 (https=)
CA (1) CA2865651C (https=)
ES (1) ES2673319T3 (https=)
IN (1) IN2014KN01766A (https=)
MX (1) MX338526B (https=)
RU (1) RU2612584C2 (https=)
TR (1) TR201808452T4 (https=)
WO (1) WO2013127801A1 (https=)

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KR20140130225A (ko) 2014-11-07
IN2014KN01766A (https=) 2015-10-23
WO2013127801A1 (en) 2013-09-06
JP2015508911A (ja) 2015-03-23
CN104170009B (zh) 2017-02-22
EP2631906A1 (en) 2013-08-28
CA2865651C (en) 2017-05-02
MX2014010098A (es) 2014-09-16
KR101680953B1 (ko) 2016-12-12
RU2612584C2 (ru) 2017-03-09
EP2820647B1 (en) 2018-03-21
ES2673319T3 (es) 2018-06-21
EP2820647A1 (en) 2015-01-07
BR112014021054B1 (pt) 2022-04-26
US10818304B2 (en) 2020-10-27
CA2865651A1 (en) 2013-09-06
TR201808452T4 (tr) 2018-07-23
MX338526B (es) 2016-04-20
BR112014021054A2 (pt) 2021-05-25
CN104170009A (zh) 2014-11-26
AU2013225076B2 (en) 2016-04-21
AU2013225076A1 (en) 2014-09-04
RU2014138820A (ru) 2016-04-20
US20140372131A1 (en) 2014-12-18

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