JP5555707B2 - マルチ分解能切替型のオーディオ符号化及び復号化スキーム - Google Patents

マルチ分解能切替型のオーディオ符号化及び復号化スキーム Download PDF

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JP5555707B2
JP5555707B2 JP2011530415A JP2011530415A JP5555707B2 JP 5555707 B2 JP5555707 B2 JP 5555707B2 JP 2011530415 A JP2011530415 A JP 2011530415A JP 2011530415 A JP2011530415 A JP 2011530415A JP 5555707 B2 JP5555707 B2 JP 5555707B2
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JP2012505423A (ja
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マックス ノイエンドルフ
ステファン バイエル
ジェレミー レコンテ
ギローム フッハス
ジュリアン ロビラード
ニコラス レッテルバッハ
フレデリック ナーゲル
ラルフ ガイガー
マルクス ムルトラス
ベルンハルト グリル
フィリッペ グールネイ
レドワン サラミ
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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
ヴォイスエイジ・コーポレーション
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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
    • G10L19/04—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
    • 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
    • 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

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  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
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  • Audiology, Speech & Language Pathology (AREA)
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JP2011530415A 2008-10-08 2009-10-07 マルチ分解能切替型のオーディオ符号化及び復号化スキーム Active JP5555707B2 (ja)

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US10382508P 2008-10-08 2008-10-08
EP08017663.9 2008-10-08
EP08017663 2008-10-08
US61/103,825 2008-10-08
EP09002271A EP2144230A1 (en) 2008-07-11 2009-02-18 Low bitrate audio encoding/decoding scheme having cascaded switches
EP09002271.6 2009-02-18
PCT/EP2009/007205 WO2010040522A2 (en) 2008-10-08 2009-10-07 Multi-resolution switched audio encoding/decoding scheme

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AR (1) AR076060A1 (zh)
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CA (1) CA2739736C (zh)
CO (1) CO6362072A2 (zh)
MX (1) MX2011003824A (zh)
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WO2010040522A2 (en) 2010-04-15
WO2010040522A3 (en) 2010-09-02
KR20130133917A (ko) 2013-12-09
BRPI0914056A2 (pt) 2015-11-03
AU2009301358A1 (en) 2010-04-15
CA2739736C (en) 2015-12-01
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AR076060A1 (es) 2011-05-18
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