PL376889A1 - Kodowanie sygnału audio - Google Patents

Kodowanie sygnału audio

Info

Publication number
PL376889A1
PL376889A1 PL376889A PL37688903A PL376889A1 PL 376889 A1 PL376889 A1 PL 376889A1 PL 376889 A PL376889 A PL 376889A PL 37688903 A PL37688903 A PL 37688903A PL 376889 A1 PL376889 A1 PL 376889A1
Authority
PL
Poland
Prior art keywords
parameters
values
audio signal
calculated
coding
Prior art date
Application number
PL376889A
Other languages
English (en)
Inventor
Erik G. P. Schuijers
Arnoldus W. J. Oomen
Matheus J. A. Mans
Original Assignee
Koninklijke Philips Electronics N.V.
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 N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of PL376889A1 publication Critical patent/PL376889A1/pl

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)
PL376889A 2002-11-28 2003-10-31 Kodowanie sygnału audio PL376889A1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02080008 2002-11-28

Publications (1)

Publication Number Publication Date
PL376889A1 true PL376889A1 (pl) 2006-01-09

Family

ID=32338131

Family Applications (1)

Application Number Title Priority Date Filing Date
PL376889A PL376889A1 (pl) 2002-11-28 2003-10-31 Kodowanie sygnału audio

Country Status (14)

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

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
US8340306B2 (en) 2004-11-30 2012-12-25 Agere Systems Llc Parametric coding of spatial audio with object-based side information
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
WO2006060278A1 (en) 2004-11-30 2006-06-08 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
CN101283252B (zh) * 2005-10-05 2013-03-27 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
EP1946556A4 (en) * 2005-10-13 2009-12-30 Lg Electronics Inc METHOD AND APPARATUS FOR PROCESSING SIGNALS
EP1989920B1 (en) 2006-02-21 2010-01-20 Koninklijke Philips Electronics N.V. Audio encoding and decoding
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
CN102656628B (zh) * 2009-10-15 2014-08-13 法国电信公司 优化的低吞吐量参数编码/解码
TWI496461B (zh) * 2010-12-03 2015-08-11 杜比實驗室特許公司 利用多媒體處理節點之適應性處理技術
EP2477418B1 (en) * 2011-01-12 2014-06-04 Nxp B.V. Signal processing method
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
KR101021079B1 (ko) 2002-04-22 2011-03-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 파라메트릭 다채널 오디오 표현

Also Published As

Publication number Publication date
US7644001B2 (en) 2010-01-05
US20060147047A1 (en) 2006-07-06
KR20050086809A (ko) 2005-08-30
ES2278192T3 (es) 2007-08-01
RU2005120236A (ru) 2006-01-20
CN1717577A (zh) 2006-01-04
KR101008520B1 (ko) 2011-01-14
EP1568010B1 (en) 2006-12-13
AU2003274520A1 (en) 2004-06-18
DE60310449T2 (de) 2007-10-31
EP1568010A1 (en) 2005-08-31
BR0316611A (pt) 2005-10-11
JP4538324B2 (ja) 2010-09-08
WO2004049309A1 (en) 2004-06-10
ATE348386T1 (de) 2007-01-15
MXPA05005602A (es) 2005-07-26
DE60310449D1 (de) 2007-01-25
CN100405460C (zh) 2008-07-23
JP2006508384A (ja) 2006-03-09

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Legal Events

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REFS Decisions on refusal to grant patents (taken after the publication of the particulars of the applications)