CN101248483B - 多声道音频信号的生成 - Google Patents

多声道音频信号的生成 Download PDF

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Publication number
CN101248483B
CN101248483B CN2006800264569A CN200680026456A CN101248483B CN 101248483 B CN101248483 B CN 101248483B CN 2006800264569 A CN2006800264569 A CN 2006800264569A CN 200680026456 A CN200680026456 A CN 200680026456A CN 101248483 B CN101248483 B CN 101248483B
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signal
audio
channels
decoder
channel
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Chinese (zh)
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CN101248483A (zh
Inventor
D·J·布拉巴特
L·F·维尔莫斯
H·普恩哈根
C·法勒
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Dolby International Ltd
Koninklijke Philips NV
Dolby Sweden AB
Agere Systems LLC
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Koninklijke Philips Electronics NV
Coding Technologies Sweden AB
Agere Systems LLC
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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
    • G10L19/008—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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
CN2006800264569A 2005-07-19 2006-07-12 多声道音频信号的生成 Active CN101248483B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05106612.4 2005-07-19
EP05106612 2005-07-19
PCT/IB2006/052368 WO2007010451A1 (en) 2005-07-19 2006-07-12 Generation of multi-channel audio signals

Publications (2)

Publication Number Publication Date
CN101248483A CN101248483A (zh) 2008-08-20
CN101248483B true CN101248483B (zh) 2011-11-23

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CN2006800264569A Active CN101248483B (zh) 2005-07-19 2006-07-12 多声道音频信号的生成

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US (1) US8160888B2 (https=)
EP (1) EP1905006B1 (https=)
JP (1) JP5171622B2 (https=)
KR (1) KR101356586B1 (https=)
CN (1) CN101248483B (https=)
BR (1) BRPI0613734B1 (https=)
ES (1) ES2433316T3 (https=)
PL (1) PL1905006T3 (https=)
RU (1) RU2417458C2 (https=)
WO (1) WO2007010451A1 (https=)

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US11749288B2 (en) 2013-09-12 2023-09-05 Dolby International Ab Methods and devices for joint multichannel coding
US11776552B2 (en) 2013-09-12 2023-10-03 Dolby International Ab Methods and apparatus for decoding encoded audio signal(s)

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US7711123B2 (en) * 2001-04-13 2010-05-04 Dolby Laboratories Licensing Corporation Segmenting audio signals into auditory events
RU2420814C2 (ru) 2006-03-29 2011-06-10 Конинклейке Филипс Электроникс Н.В. Аудиодекодирование
BRPI0908630B1 (pt) 2008-05-23 2020-09-15 Koninklijke Philips N.V. Aparelho de 'upmix' estéreo paramétrico, decodificador estéreo paramétrico, método para a geração de um sinal esquerdo e de um sinal direito a partir de um sinal de 'downmix' mono com base em parâmetros espaciais, dispositivo de execução de áudio, aparelho de 'downmix' estéreo paramétrico, codificador estéreo paramétrico, método para a geração de um sinal residual de previsão para um sinal de diferença a partir de um sinal esquerdo e de um sinal direito com base nos parâmetros espaciais, e, produto de programa de computador
KR101230691B1 (ko) * 2008-07-10 2013-02-07 한국전자통신연구원 공간정보 기반의 다객체 오디오 부호화에서의 오디오 객체 편집 방법 및 그 장치
JP5520300B2 (ja) * 2008-09-11 2014-06-11 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ マイクロホン信号に基づいて一組の空間手がかりを供給する装置、方法およびコンピュータ・プログラムと２チャンネルのオーディオ信号および一組の空間手がかりを供給する装置
US8023660B2 (en) 2008-09-11 2011-09-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
CN101673545B (zh) * 2008-09-12 2011-11-16 华为技术有限公司 一种编解码方法及装置
EP2323130A1 (en) * 2009-11-12 2011-05-18 Koninklijke Philips Electronics N.V. Parametric encoding and decoding
US20110123055A1 (en) * 2009-11-24 2011-05-26 Sharp Laboratories Of America, Inc. Multi-channel on-display spatial audio system
KR101756838B1 (ko) * 2010-10-13 2017-07-11 삼성전자주식회사 다채널 오디오 신호를 다운 믹스하는 방법 및 장치
SG185835A1 (en) 2011-05-11 2012-12-28 Creative Tech Ltd A speaker for reproducing surround sound
JP5984955B2 (ja) * 2011-11-23 2016-09-06 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 無線ドッキングシステムを使用するオーディオシステムのためのミキサーの構成及び制御のための方法及び装置
US9466301B2 (en) * 2012-11-07 2016-10-11 Kenneth John Lannes System and method for linear frequency translation, frequency compression and user selectable response time
US20140129236A1 (en) * 2012-11-07 2014-05-08 Kenneth John Lannes System and method for linear frequency translation, frequency compression and user selectable response time
US9338573B2 (en) * 2013-07-30 2016-05-10 Dts, Inc. Matrix decoder with constant-power pairwise panning
EP2866227A1 (en) 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
US9911423B2 (en) * 2014-01-13 2018-03-06 Nokia Technologies Oy Multi-channel audio signal classifier
ES2922373T3 (es) 2015-03-03 2022-09-14 Dolby Laboratories Licensing Corp Realce de señales de audio espacial por decorrelación modulada
EP3067885A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal
BR112020015570A2 (pt) 2018-02-01 2021-02-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. codificador de cena de áudio, decodificador de cena de áudio e métodos relacionados com uso de análise espacial de codificador/decodificador híbrido
EP3719799A1 (en) 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation
CN113055789B (zh) * 2021-02-09 2023-03-24 安克创新科技股份有限公司 单声道音箱、在单声道音箱中增加环绕效果的方法及系统
CN113438595B (zh) * 2021-06-24 2022-03-18 深圳市叡扬声学设计研发有限公司 音频处理系统

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CN1178552C (zh) * 1997-05-29 2004-12-01 索尼公司 声场校正电路及其方法

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US6697491B1 (en) * 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US6131084A (en) 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
KR100335611B1 (ko) 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
US6823018B1 (en) * 1999-07-28 2004-11-23 At&T Corp. Multiple description coding communication system
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
ES2300567T3 (es) * 2002-04-22 2008-06-16 Koninklijke Philips Electronics N.V. Representacion parametrica de audio espacial.
WO2005031704A1 (en) * 2003-09-29 2005-04-07 Koninklijke Philips Electronics N.V. Encoding audio signals
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
CN1875402B (zh) * 2003-10-30 2012-03-21 皇家飞利浦电子股份有限公司 音频信号编码或解码
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
DE602006004959D1 (de) * 2005-04-15 2009-03-12 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
US20070055510A1 (en) * 2005-07-19 2007-03-08 Johannes Hilpert Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding

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CN1178552C (zh) * 1997-05-29 2004-12-01 索尼公司 声场校正电路及其方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11749288B2 (en) 2013-09-12 2023-09-05 Dolby International Ab Methods and devices for joint multichannel coding
US11776552B2 (en) 2013-09-12 2023-10-03 Dolby International Ab Methods and apparatus for decoding encoded audio signal(s)
US12190895B2 (en) 2013-09-12 2025-01-07 Dolby International Ab Methods and devices for joint multichannel coding

Also Published As

Publication number Publication date
US8160888B2 (en) 2012-04-17
WO2007010451A1 (en) 2007-01-25
US20080201153A1 (en) 2008-08-21
EP1905006B1 (en) 2013-09-04
EP1905006A1 (en) 2008-04-02
JP5171622B2 (ja) 2013-03-27
RU2417458C2 (ru) 2011-04-27
KR101356586B1 (ko) 2014-02-11
ES2433316T3 (es) 2013-12-10
PL1905006T3 (pl) 2014-02-28
JP2009501957A (ja) 2009-01-22
BRPI0613734B1 (pt) 2019-10-22
CN101248483A (zh) 2008-08-20
KR20080033993A (ko) 2008-04-17
RU2008106223A (ru) 2009-08-27

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Address after: Holland Ian Deho Finn

Co-patentee after: Dolby International Ltd.

Patentee after: KONINKLIJKE PHILIPS ELECTRONICS N.V.

Co-patentee after: AGERE SYSTEMS Inc.

Address before: Holland Ian Deho Finn

Co-patentee before: Dolby Sweden AB

Patentee before: Koninklijke Philips Electronics N.V.

Co-patentee before: AGERE SYSTEMS Inc.

Address after: Holland Ian Deho Finn

Co-patentee after: Dolby Sweden AB

Patentee after: KONINKLIJKE PHILIPS ELECTRONICS N.V.

Co-patentee after: AGERE SYSTEMS Inc.

Address before: Holland Ian Deho Finn

Co-patentee before: CODING TECH AB

Patentee before: Koninklijke Philips Electronics N.V.

Co-patentee before: AGERE SYSTEMS Inc.