JP2008519308A - 信号特性を用いた効率的なオーディオ符号化 - Google Patents

信号特性を用いた効率的なオーディオ符号化 Download PDF

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Publication number
JP2008519308A
JP2008519308A JP2007539679A JP2007539679A JP2008519308A JP 2008519308 A JP2008519308 A JP 2008519308A JP 2007539679 A JP2007539679 A JP 2007539679A JP 2007539679 A JP2007539679 A JP 2007539679A JP 2008519308 A JP2008519308 A JP 2008519308A
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Prior art keywords
encoding
audio signal
encoder
audio
template
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Pending
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JP2007539679A
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English (en)
Japanese (ja)
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JP2008519308A5 (https=
Inventor
イー エフ ノルデン，トル
ファオ アンデルセン，セーレン
ハー ヤンセン，セーレン
ベー クレイン，ウィレム
スヘインデル，ニコレ ハー ファン
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Koninklijke Philips NV
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Koninklijke Philips NV
Koninklijke Philips Electronics NV
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Application filed by Koninklijke Philips NV, Koninklijke Philips Electronics NV filed Critical Koninklijke Philips NV
Publication of JP2008519308A publication Critical patent/JP2008519308A/ja
Publication of JP2008519308A5 publication Critical patent/JP2008519308A5/ja
Pending legal-status Critical Current

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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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2007539679A 2004-11-05 2005-11-02 信号特性を用いた効率的なオーディオ符号化 Pending JP2008519308A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04105545 2004-11-05
PCT/IB2005/053570 WO2006048824A1 (en) 2004-11-05 2005-11-02 Efficient audio coding using signal properties

Publications (2)

Publication Number Publication Date
JP2008519308A true JP2008519308A (ja) 2008-06-05
JP2008519308A5 JP2008519308A5 (https=) 2008-07-17

Family

ID=35965990

Family Applications (1)

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JP2007539679A Pending JP2008519308A (ja) 2004-11-05 2005-11-02 信号特性を用いた効率的なオーディオ符号化

Country Status (6)

Country Link
US (1) US20090063158A1 (https=)
EP (1) EP1815463A1 (https=)
JP (1) JP2008519308A (https=)
KR (1) KR20070085788A (https=)
CN (1) CN101053020A (https=)
WO (1) WO2006048824A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015092254A (ja) * 2010-07-19 2015-05-14 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 帯域幅拡張のためのスペクトル平坦性制御

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7818168B1 (en) * 2006-12-01 2010-10-19 The United States Of America As Represented By The Director, National Security Agency Method of measuring degree of enhancement to voice signal
KR101411900B1 (ko) * 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
CN101221766B (zh) * 2008-01-23 2011-01-05 清华大学 音频编码器切换的方法
GB0915766D0 (en) * 2009-09-09 2009-10-07 Apt Licensing Ltd Apparatus and method for multidimensional adaptive audio coding
ES2616434T3 (es) * 2013-01-29 2017-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para seleccionar uno de un primer algoritmo de codificación de audio y un segundo algoritmo de codificación de audio
WO2024194336A1 (en) * 2023-03-21 2024-09-26 Telefonaktiebolaget Lm Ericsson (Publ) Coding of granular synthesis databases

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341456A (en) * 1992-12-02 1994-08-23 Qualcomm Incorporated Method for determining speech encoding rate in a variable rate vocoder
US20020049585A1 (en) * 2000-09-15 2002-04-25 Yang Gao Coding based on spectral content of a speech signal
JP2002523806A (ja) * 1998-08-24 2002-07-30 コネクサント システムズ， インコーポレイテッド 雑音補償のための音声分類を採用した音声コーデック
US20040006644A1 (en) * 2002-03-14 2004-01-08 Canon Kabushiki Kaisha Method and device for selecting a transcoding method among a set of transcoding methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111612B1 (fr) * 1982-11-26 1987-06-24 International Business Machines Corporation Procédé et dispositif de codage d'un signal vocal
DE9218980U1 (de) * 1991-09-05 1996-08-22 Motorola Inc., Schaumburg, Ill. Fehlerschutz für Mehrmoden-Sprachcoder
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
US6785645B2 (en) * 2001-11-29 2004-08-31 Microsoft Corporation Real-time speech and music classifier
AUPS270902A0 (en) * 2002-05-31 2002-06-20 Canon Kabushiki Kaisha Robust detection and classification of objects in audio using limited training data

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341456A (en) * 1992-12-02 1994-08-23 Qualcomm Incorporated Method for determining speech encoding rate in a variable rate vocoder
JP2002523806A (ja) * 1998-08-24 2002-07-30 コネクサント システムズ， インコーポレイテッド 雑音補償のための音声分類を採用した音声コーデック
US20020049585A1 (en) * 2000-09-15 2002-04-25 Yang Gao Coding based on spectral content of a speech signal
US20040006644A1 (en) * 2002-03-14 2004-01-08 Canon Kabushiki Kaisha Method and device for selecting a transcoding method among a set of transcoding methods

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015092254A (ja) * 2010-07-19 2015-05-14 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 帯域幅拡張のためのスペクトル平坦性制御
US10339938B2 (en) 2010-07-19 2019-07-02 Huawei Technologies Co., Ltd. Spectrum flatness control for bandwidth extension

Also Published As

Publication number Publication date
KR20070085788A (ko) 2007-08-27
WO2006048824A1 (en) 2006-05-11
US20090063158A1 (en) 2009-03-05
CN101053020A (zh) 2007-10-10
EP1815463A1 (en) 2007-08-08

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