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)
  • Acoustics & Sound (AREA)
  • Signal Processing (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 2005-07-19
EP05106612.4 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 (enExample)
EP (1) EP1905006B1 (enExample)
JP (1) JP5171622B2 (enExample)
KR (1) KR101356586B1 (enExample)
CN (1) CN101248483B (enExample)
BR (1) BRPI0613734B1 (enExample)
ES (1) ES2433316T3 (enExample)
PL (1) PL1905006T3 (enExample)
RU (1) RU2417458C2 (enExample)
WO (1) WO2007010451A1 (enExample)

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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
MX2008012217A (es) * 2006-03-29 2008-11-12 Koninkl Philips Electronics Nv Decodificacion de audio.
RU2497204C2 (ru) 2008-05-23 2013-10-27 Конинклейке Филипс Электроникс Н.В. Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
KR101230691B1 (ko) * 2008-07-10 2013-02-07 한국전자통신연구원 공간정보 기반의 다객체 오디오 부호화에서의 오디오 객체 편집 방법 및 그 장치
RU2493617C2 (ru) * 2008-09-11 2013-09-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство, способ и компьютерная программа для обеспечения набора пространственных указателей на основе сигнала микрофона и устройство для обеспечения двухканального аудиосигнала и набора пространственных указателей
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
US9686030B2 (en) * 2011-11-23 2017-06-20 Koninklijke Philips N.V. Method and apparatus for configuration and control of mixer for audio system using wireless docking system
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
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
WO2015017584A1 (en) * 2013-07-30 2015-02-05 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
KR101841380B1 (ko) * 2014-01-13 2018-03-22 노키아 테크놀로지스 오와이 다중-채널 오디오 신호 분류기
JP6576458B2 (ja) * 2015-03-03 2019-09-18 ドルビー ラボラトリーズ ライセンシング コーポレイション 変調された脱相関による空間的オーディオ信号の向上
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
RU2749349C1 (ru) * 2018-02-01 2021-06-09 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Кодер аудиосцены, декодер аудиосцены и соответствующие способы, использующие пространственный анализ с гибридным кодером/декодером
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
CN1307612C (zh) * 2002-04-22 2007-03-28 皇家飞利浦电子股份有限公司 声频信号的编码解码方法、编码器、解码器及相关设备
EP1671316B1 (en) * 2003-09-29 2007-08-01 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
KR101217649B1 (ko) 2003-10-30 2013-01-02 돌비 인터네셔널 에이비 오디오 신호 인코딩 또는 디코딩
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
KR100933548B1 (ko) * 2005-04-15 2009-12-23 돌비 스웨덴 에이비 비상관 신호의 시간적 엔벨로프 정형화
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
JP5171622B2 (ja) 2013-03-27
US8160888B2 (en) 2012-04-17
RU2008106223A (ru) 2009-08-27
EP1905006B1 (en) 2013-09-04
ES2433316T3 (es) 2013-12-10
JP2009501957A (ja) 2009-01-22
EP1905006A1 (en) 2008-04-02
PL1905006T3 (pl) 2014-02-28
BRPI0613734B1 (pt) 2019-10-22
RU2417458C2 (ru) 2011-04-27
US20080201153A1 (en) 2008-08-21
KR101356586B1 (ko) 2014-02-11
CN101248483A (zh) 2008-08-20
WO2007010451A1 (en) 2007-01-25
KR20080033993A (ko) 2008-04-17

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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.