KR20070085788A - 신호 속성들을 사용한 효율적인 오디오 코딩 - Google Patents

신호 속성들을 사용한 효율적인 오디오 코딩 Download PDF

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Publication number
KR20070085788A
KR20070085788A KR1020077012691A KR20077012691A KR20070085788A KR 20070085788 A KR20070085788 A KR 20070085788A KR 1020077012691 A KR1020077012691 A KR 1020077012691A KR 20077012691 A KR20077012691 A KR 20077012691A KR 20070085788 A KR20070085788 A KR 20070085788A
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KR
South Korea
Prior art keywords
encoding
audio signal
optimized
oet
properties
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KR1020077012691A
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English (en)
Korean (ko)
Inventor
토어 제이. 에프. 노르덴
소렌 브이. 안데르센
소렌 에이치. 젠센
윌렘 비. 클라인
니콜 에이치. 반 쉰들
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
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Publication of KR20070085788A publication Critical patent/KR20070085788A/ko
Withdrawn legal-status Critical Current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)
KR1020077012691A 2004-11-05 2005-11-02 신호 속성들을 사용한 효율적인 오디오 코딩 Withdrawn KR20070085788A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04105545.0 2004-11-05
EP04105545 2004-11-05

Publications (1)

Publication Number Publication Date
KR20070085788A true KR20070085788A (ko) 2007-08-27

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Application Number Title Priority Date Filing Date
KR1020077012691A Withdrawn KR20070085788A (ko) 2004-11-05 2005-11-02 신호 속성들을 사용한 효율적인 오디오 코딩

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=)

Families Citing this family (7)

* 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
US9047875B2 (en) 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
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

Family Cites Families (10)

* 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
US5341456A (en) * 1992-12-02 1994-08-23 Qualcomm Incorporated Method for determining speech encoding rate in a variable rate vocoder
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
US6937979B2 (en) * 2000-09-15 2005-08-30 Mindspeed Technologies, Inc. Coding based on spectral content of a speech signal
US6785645B2 (en) * 2001-11-29 2004-08-31 Microsoft Corporation Real-time speech and music classifier
FR2837330B1 (fr) * 2002-03-14 2004-12-10 Canon Kk Procede et dispositif de selection d'une methode de transcodage parmi un ensemble de methodes de transcodage
AUPS270902A0 (en) * 2002-05-31 2002-06-20 Canon Kabushiki Kaisha Robust detection and classification of objects in audio using limited training data

Also Published As

Publication number Publication date
JP2008519308A (ja) 2008-06-05
WO2006048824A1 (en) 2006-05-11
US20090063158A1 (en) 2009-03-05
CN101053020A (zh) 2007-10-10
EP1815463A1 (en) 2007-08-08

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