DE60310449D1 - Audiosignalkodierung - Google Patents

Audiosignalkodierung

Info

Publication number
DE60310449D1
DE60310449D1 DE60310449T DE60310449T DE60310449D1 DE 60310449 D1 DE60310449 D1 DE 60310449D1 DE 60310449 T DE60310449 T DE 60310449T DE 60310449 T DE60310449 T DE 60310449T DE 60310449 D1 DE60310449 D1 DE 60310449D1
Authority
DE
Germany
Prior art keywords
parameters
values
audio signal
calculated
subset
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60310449T
Other languages
English (en)
Other versions
DE60310449T2 (de
Inventor
G Schuijers
W Oomen
J Mans
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60310449D1 publication Critical patent/DE60310449D1/de
Publication of DE60310449T2 publication Critical patent/DE60310449T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/02—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
    • G10L19/035—Scalar quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE60310449T 2002-11-28 2003-10-31 Audiosignalkodierung Expired - Lifetime DE60310449T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02080008 2002-11-28
EP02080008 2002-11-28
PCT/IB2003/004864 WO2004049309A1 (en) 2002-11-28 2003-10-31 Coding an audio signal

Publications (2)

Publication Number Publication Date
DE60310449D1 true DE60310449D1 (de) 2007-01-25
DE60310449T2 DE60310449T2 (de) 2007-10-31

Family

ID=32338131

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60310449T Expired - Lifetime DE60310449T2 (de) 2002-11-28 2003-10-31 Audiosignalkodierung

Country Status (14)

Country Link
US (1) US7644001B2 (de)
EP (1) EP1568010B1 (de)
JP (1) JP4538324B2 (de)
KR (1) KR101008520B1 (de)
CN (1) CN100405460C (de)
AT (1) ATE348386T1 (de)
AU (1) AU2003274520A1 (de)
BR (1) BR0316611A (de)
DE (1) DE60310449T2 (de)
ES (1) ES2278192T3 (de)
MX (1) MXPA05005602A (de)
PL (1) PL376889A1 (de)
RU (1) RU2005120236A (de)
WO (1) WO2004049309A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7583805B2 (en) 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
CN1922654A (zh) * 2004-02-17 2007-02-28 皇家飞利浦电子股份有限公司 音频分发系统、音频编码器、音频解码器及其操作方法
US7805313B2 (en) 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
US8204261B2 (en) 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US7720230B2 (en) 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US8340306B2 (en) 2004-11-30 2012-12-25 Agere Systems Llc Parametric coding of spatial audio with object-based side information
US7761304B2 (en) 2004-11-30 2010-07-20 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
KR100707177B1 (ko) * 2005-01-19 2007-04-13 삼성전자주식회사 디지털 신호 부호화/복호화 방법 및 장치
CN101283405B (zh) * 2005-10-05 2012-10-03 Lg电子株式会社 信号处理的方法和装置以及编码和解码方法及其装置
US8199827B2 (en) 2005-10-13 2012-06-12 Lg Electronics Inc. Method of processing a signal and apparatus for processing a signal
AU2006300101B2 (en) * 2005-10-13 2010-09-16 Lg Electronics Inc. Method and apparatus for signal processing
BRPI0707969B1 (pt) 2006-02-21 2020-01-21 Koninklijke Philips Electonics N V codificador de áudio, decodificador de áudio, método de codificação de áudio, receptor para receber um sinal de áudio, transmissor, método para transmitir um fluxo de dados de saída de áudio, e produto de programa de computador
KR101346771B1 (ko) * 2007-08-16 2013-12-31 삼성전자주식회사 심리 음향 모델에 따른 마스킹 값보다 작은 정현파 신호를효율적으로 인코딩하는 방법 및 장치, 그리고 인코딩된오디오 신호를 디코딩하는 방법 및 장치
WO2011045548A1 (fr) * 2009-10-15 2011-04-21 France Telecom Codage/decodage parametrique bas debit optimise
TWI716169B (zh) * 2010-12-03 2021-01-11 美商杜比實驗室特許公司 音頻解碼裝置、音頻解碼方法及音頻編碼方法
EP2477418B1 (de) * 2011-01-12 2014-06-04 Nxp B.V. Signalverarbeitungsverfahren
KR20140117931A (ko) 2013-03-27 2014-10-08 삼성전자주식회사 오디오 디코딩 장치 및 방법
US10692030B2 (en) * 2016-06-21 2020-06-23 Amazon Technologies, Inc. Process visualization platform

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2982637B2 (ja) * 1995-01-17 1999-11-29 日本電気株式会社 スペクトルパラメータを用いた音声信号伝送システムおよびそれに用いられる音声パラメータ符号化装置および復号化装置
DE19742655C2 (de) * 1997-09-26 1999-08-05 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals
US6029126A (en) * 1998-06-30 2000-02-22 Microsoft Corporation Scalable audio coder and decoder
US6539357B1 (en) 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
WO2000079519A1 (en) * 1999-06-18 2000-12-28 Koninklijke Philips Electronics N.V. Audio transmission system having an improved encoder
US6446037B1 (en) * 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio
AU2003216686A1 (en) 2002-04-22 2003-11-03 Koninklijke Philips Electronics N.V. Parametric multi-channel audio representation

Also Published As

Publication number Publication date
EP1568010B1 (de) 2006-12-13
WO2004049309A1 (en) 2004-06-10
ATE348386T1 (de) 2007-01-15
US7644001B2 (en) 2010-01-05
RU2005120236A (ru) 2006-01-20
CN1717577A (zh) 2006-01-04
JP2006508384A (ja) 2006-03-09
AU2003274520A1 (en) 2004-06-18
JP4538324B2 (ja) 2010-09-08
US20060147047A1 (en) 2006-07-06
DE60310449T2 (de) 2007-10-31
PL376889A1 (pl) 2006-01-09
MXPA05005602A (es) 2005-07-26
KR101008520B1 (ko) 2011-01-14
KR20050086809A (ko) 2005-08-30
ES2278192T3 (es) 2007-08-01
BR0316611A (pt) 2005-10-11
EP1568010A1 (de) 2005-08-31
CN100405460C (zh) 2008-07-23

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Legal Events

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