EP1410686B1 - Modulation de canal audio - Google Patents

Modulation de canal audio Download PDF

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Publication number
EP1410686B1
EP1410686B1 EP02720929A EP02720929A EP1410686B1 EP 1410686 B1 EP1410686 B1 EP 1410686B1 EP 02720929 A EP02720929 A EP 02720929A EP 02720929 A EP02720929 A EP 02720929A EP 1410686 B1 EP1410686 B1 EP 1410686B1
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EP
European Patent Office
Prior art keywords
channels
channel
input
output
signal
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
EP02720929A
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German (de)
English (en)
Other versions
EP1410686A2 (fr
Inventor
Mark Franklin Davis
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.)
Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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Publication date
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of EP1410686A2 publication Critical patent/EP1410686A2/fr
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Publication of EP1410686B1 publication Critical patent/EP1410686B1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • 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 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Machine Translation (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Cosmetics (AREA)

Claims (2)

  1. Procédé permettant de convertir M canaux d'entrée audio (1', 3', 5', 9', 13') représentant un champ acoustique en N canaux de sortie audio (1-23) représentant le même champ acoustique, dans lequel chaque canal est un flux audio unique représentant des sons provenant d'une direction, M et N sont des entiers positifs et M est un entier positif égal à deux ou plus, caractérisé en ce qu'il comprend :
    une pluralité de modules de décodage chacun étant associé à deux canaux d'entrée adjacents dans l'espace ou plus (1', 3', 5', 9', 13'), dans lequel chaque canal d'entrée est partagé entre de multiples modules, et chaque module :
    - comporte une matrice qui génère, à partir des deux canaux d'entrée associés ou plus (1', 3', 5', 9', 13'), un canal de sortie ou plus (1-23) chacun constituant un sous-ensemble desdits N canaux, par un procédé qui comporte la détermination d'une mesure de la corrélation entre les deux canaux d'entrée ou plus (1', 3', 5', 9', 13') et le niveau d'interrelation entre les deux canaux d'entrée ou plus (1', 3', 5', 9', 13'), ou
    - génère à partir des deux canaux d'entrée associés ou plus (1', 3', 5', 9', 13'), par un procédé qui comporte la détermination d'une mesure de la corrélation entre les deux canaux d'entrée ou plus (1', 3', 5', 9', 13') et le niveau d'interrelation entre les deux canaux d'entrée ou plus (1', 3', 5', 9', 13') des signaux de commande qui sont utilisés, avec des signaux de commande générés par d'autres modules de décodeur, afin de modifier les coefficients d'une matrice variable pour générer tous les canaux de sortie (1-23), ou
    - génère, à partir des deux canaux d'entrée ou plus (1', 3', 5', 9', 13') par un procédé qui comporte la détermination d'une mesure de la corrélation entre les deux canaux d'entrée ou plus (1', 3', 5', 9', 13') et le niveau d'interrelation entre les deux canaux d'entrée ou plus des signaux de commande qui sont utilisés, avec des signaux de commande générés par d'autres modules décodeurs pour modifier les facteurs d'échelle des entrées et/ou des sorties d'une matrice fixe pour générer tous les canaux de sortie (1-23).
  2. Procédé selon la revendication 1, dans lequel les modules sont classés par ordre hiérarchique en fonction de leur nombre de canaux d'entrée et un superviseur communique avec les modules pour commander le partage des signaux d'entrée en fonction de leur ordre hiérarchique.
EP02720929A 2001-02-07 2002-02-07 Modulation de canal audio Expired - Lifetime EP1410686B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US26728401P 2001-02-07 2001-02-07
US267284P 2001-02-07
PCT/US2002/003619 WO2002063925A2 (fr) 2001-02-07 2002-02-07 Modulation de canal audio

Publications (2)

Publication Number Publication Date
EP1410686A2 EP1410686A2 (fr) 2004-04-21
EP1410686B1 true EP1410686B1 (fr) 2008-03-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02720929A Expired - Lifetime EP1410686B1 (fr) 2001-02-07 2002-02-07 Modulation de canal audio

Country Status (11)

Country Link
EP (1) EP1410686B1 (fr)
JP (1) JP2004526355A (fr)
KR (1) KR100904985B1 (fr)
CN (1) CN1275498C (fr)
AT (1) ATE390823T1 (fr)
AU (1) AU2002251896B2 (fr)
CA (1) CA2437764C (fr)
DE (1) DE60225806T2 (fr)
HK (1) HK1066966A1 (fr)
MX (1) MXPA03007064A (fr)
WO (1) WO2002063925A2 (fr)

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US9544707B2 (en) 2014-02-06 2017-01-10 Sonos, Inc. Audio output balancing
US9549258B2 (en) 2014-02-06 2017-01-17 Sonos, Inc. Audio output balancing
US9787550B2 (en) 2004-06-05 2017-10-10 Sonos, Inc. Establishing a secure wireless network with a minimum human intervention
US9977561B2 (en) 2004-04-01 2018-05-22 Sonos, Inc. Systems, methods, apparatus, and articles of manufacture to provide guest access
US10028056B2 (en) 2006-09-12 2018-07-17 Sonos, Inc. Multi-channel pairing in a media system
US10031716B2 (en) 2013-09-30 2018-07-24 Sonos, Inc. Enabling components of a playback device
US10031715B2 (en) 2003-07-28 2018-07-24 Sonos, Inc. Method and apparatus for dynamic master device switching in a synchrony group
US10063202B2 (en) 2012-04-27 2018-08-28 Sonos, Inc. Intelligently modifying the gain parameter of a playback device
US10061379B2 (en) 2004-05-15 2018-08-28 Sonos, Inc. Power increase based on packet type
US10108393B2 (en) 2011-04-18 2018-10-23 Sonos, Inc. Leaving group and smart line-in processing
US10256536B2 (en) 2011-07-19 2019-04-09 Sonos, Inc. Frequency routing based on orientation

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US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US7551745B2 (en) * 2003-04-24 2009-06-23 Dolby Laboratories Licensing Corporation Volume and compression control in movie theaters
US9207905B2 (en) 2003-07-28 2015-12-08 Sonos, Inc. Method and apparatus for providing synchrony group status information
US11106425B2 (en) 2003-07-28 2021-08-31 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US8290603B1 (en) 2004-06-05 2012-10-16 Sonos, Inc. User interfaces for controlling and manipulating groupings in a multi-zone media system
US8086752B2 (en) 2006-11-22 2011-12-27 Sonos, Inc. Systems and methods for synchronizing operations among a plurality of independently clocked digital data processing devices that independently source digital data
US11106424B2 (en) 2003-07-28 2021-08-31 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US11294618B2 (en) 2003-07-28 2022-04-05 Sonos, Inc. Media player system
US11650784B2 (en) 2003-07-28 2023-05-16 Sonos, Inc. Adjusting volume levels
ITRM20030559A1 (it) * 2003-12-03 2005-06-04 Fond Scuola Di San Giorgio Apparecchiatura per l'acquisizione e misura dei dati e
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
ATE390683T1 (de) 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
US8326951B1 (en) 2004-06-05 2012-12-04 Sonos, Inc. Establishing a secure wireless network with minimum human intervention
WO2006011367A1 (fr) * 2004-07-30 2006-02-02 Matsushita Electric Industrial Co., Ltd. Codeur et décodeur de signal audio
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
US7283634B2 (en) * 2004-08-31 2007-10-16 Dts, Inc. Method of mixing audio channels using correlated outputs
KR101177677B1 (ko) * 2004-10-28 2012-08-27 디티에스 워싱턴, 엘엘씨 오디오 공간 환경 엔진
JP4997781B2 (ja) * 2006-02-14 2012-08-08 沖電気工業株式会社 ミックスダウン方法およびミックスダウン装置
KR100763919B1 (ko) 2006-08-03 2007-10-05 삼성전자주식회사 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2 채널의 바이노럴 신호로 복호화하는 방법 및 장치
US9202509B2 (en) 2006-09-12 2015-12-01 Sonos, Inc. Controlling and grouping in a multi-zone media system
US8483853B1 (en) 2006-09-12 2013-07-09 Sonos, Inc. Controlling and manipulating groupings in a multi-zone media system
US8290782B2 (en) * 2008-07-24 2012-10-16 Dts, Inc. Compression of audio scale-factors by two-dimensional transformation
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
EP2347410B1 (fr) * 2008-09-11 2018-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil, procédé et programme informatique permettant de fournir un ensemble de marques spatiales sur la base d'un signal de microphone, et appareil permettant de fournir un signal audio à deux canaux et un ensemble de marques spatiales
US9628934B2 (en) 2008-12-18 2017-04-18 Dolby Laboratories Licensing Corporation Audio channel spatial translation
WO2010113434A1 (fr) 2009-03-31 2010-10-07 パナソニック株式会社 Système et procédé de restitution du son
US10158958B2 (en) 2010-03-23 2018-12-18 Dolby Laboratories Licensing Corporation Techniques for localized perceptual audio
US9008338B2 (en) 2010-09-30 2015-04-14 Panasonic Intellectual Property Management Co., Ltd. Audio reproduction apparatus and audio reproduction method
US11265652B2 (en) 2011-01-25 2022-03-01 Sonos, Inc. Playback device pairing
US11429343B2 (en) 2011-01-25 2022-08-30 Sonos, Inc. Stereo playback configuration and control
US9008330B2 (en) 2012-09-28 2015-04-14 Sonos, Inc. Crossover frequency adjustments for audio speakers
MX347100B (es) 2012-12-04 2017-04-12 Samsung Electronics Co Ltd Aparato de suministro de audio y método de suministro de audio.
EP2981101B1 (fr) 2013-03-29 2019-08-14 Samsung Electronics Co., Ltd. Appareil audio et procédé audio correspondant
CN104424971B (zh) 2013-09-02 2017-09-29 华为技术有限公司 一种音频文件播放方法及装置
US10248376B2 (en) 2015-06-11 2019-04-02 Sonos, Inc. Multiple groupings in a playback system
US20200045419A1 (en) * 2016-10-04 2020-02-06 Omnio Sound Limited Stereo unfold technology
US10712997B2 (en) 2016-10-17 2020-07-14 Sonos, Inc. Room association based on name
JP2024048967A (ja) * 2022-09-28 2024-04-09 パナソニックＩｐマネジメント株式会社 音場再現装置、音場再現方法及び音場再現システム

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EP1001549A2 (fr) * 1998-11-16 2000-05-17 Victor Company of Japan, Ltd. Appareil de traitement de signal audio

Cited By (33)

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US10228902B2 (en) 2003-07-28 2019-03-12 Sonos, Inc. Playback device
US10303432B2 (en) 2003-07-28 2019-05-28 Sonos, Inc Playback device
US10209953B2 (en) 2003-07-28 2019-02-19 Sonos, Inc. Playback device
US10185541B2 (en) 2003-07-28 2019-01-22 Sonos, Inc. Playback device
US10303431B2 (en) 2003-07-28 2019-05-28 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US10289380B2 (en) 2003-07-28 2019-05-14 Sonos, Inc. Playback device
US10031715B2 (en) 2003-07-28 2018-07-24 Sonos, Inc. Method and apparatus for dynamic master device switching in a synchrony group
US10282164B2 (en) 2003-07-28 2019-05-07 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US10157034B2 (en) 2003-07-28 2018-12-18 Sonos, Inc. Clock rate adjustment in a multi-zone system
US10324684B2 (en) 2003-07-28 2019-06-18 Sonos, Inc. Playback device synchrony group states
US10157035B2 (en) 2003-07-28 2018-12-18 Sonos, Inc. Switching between a directly connected and a networked audio source
US10120638B2 (en) 2003-07-28 2018-11-06 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US10185540B2 (en) 2003-07-28 2019-01-22 Sonos, Inc. Playback device
US10133536B2 (en) 2003-07-28 2018-11-20 Sonos, Inc. Method and apparatus for adjusting volume in a synchrony group
US10140085B2 (en) 2003-07-28 2018-11-27 Sonos, Inc. Playback device operating states
US10146498B2 (en) 2003-07-28 2018-12-04 Sonos, Inc. Disengaging and engaging zone players
US10157033B2 (en) 2003-07-28 2018-12-18 Sonos, Inc. Method and apparatus for switching between a directly connected and a networked audio source
US9977561B2 (en) 2004-04-01 2018-05-22 Sonos, Inc. Systems, methods, apparatus, and articles of manufacture to provide guest access
US10061379B2 (en) 2004-05-15 2018-08-28 Sonos, Inc. Power increase based on packet type
US10303240B2 (en) 2004-05-15 2019-05-28 Sonos, Inc. Power decrease based on packet type
US10126811B2 (en) 2004-05-15 2018-11-13 Sonos, Inc. Power increase based on packet type
US10254822B2 (en) 2004-05-15 2019-04-09 Sonos, Inc. Power decrease and increase based on packet type
US10228754B2 (en) 2004-05-15 2019-03-12 Sonos, Inc. Power decrease based on packet type
US10097423B2 (en) 2004-06-05 2018-10-09 Sonos, Inc. Establishing a secure wireless network with minimum human intervention
US9787550B2 (en) 2004-06-05 2017-10-10 Sonos, Inc. Establishing a secure wireless network with a minimum human intervention
US10028056B2 (en) 2006-09-12 2018-07-17 Sonos, Inc. Multi-channel pairing in a media system
US10306365B2 (en) 2006-09-12 2019-05-28 Sonos, Inc. Playback device pairing
US10108393B2 (en) 2011-04-18 2018-10-23 Sonos, Inc. Leaving group and smart line-in processing
US10256536B2 (en) 2011-07-19 2019-04-09 Sonos, Inc. Frequency routing based on orientation
US10063202B2 (en) 2012-04-27 2018-08-28 Sonos, Inc. Intelligently modifying the gain parameter of a playback device
US10031716B2 (en) 2013-09-30 2018-07-24 Sonos, Inc. Enabling components of a playback device
US9544707B2 (en) 2014-02-06 2017-01-10 Sonos, Inc. Audio output balancing
US9549258B2 (en) 2014-02-06 2017-01-17 Sonos, Inc. Audio output balancing

Also Published As

Publication number Publication date
MXPA03007064A (es) 2004-05-24
KR20030079980A (ko) 2003-10-10
HK1066966A1 (en) 2005-04-01
EP1410686A2 (fr) 2004-04-21
KR100904985B1 (ko) 2009-06-26
AU2002251896B2 (en) 2007-03-22
ATE390823T1 (de) 2008-04-15
CA2437764A1 (fr) 2002-08-15
DE60225806D1 (en) 2008-05-08
JP2004526355A (ja) 2004-08-26
WO2002063925A3 (fr) 2004-02-19
WO2002063925A8 (fr) 2004-03-25
DE60225806T2 (de) 2009-04-30
CN1524399A (zh) 2004-08-25
WO2002063925A2 (fr) 2002-08-15
AU2002251896A2 (en) 2002-08-19
CA2437764C (fr) 2012-04-10
CN1275498C (zh) 2006-09-13

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