CA2437764C - Audio channel translation - Google Patents

Audio channel translation Download PDF

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Publication number
CA2437764C
CA2437764C CA2437764A CA2437764A CA2437764C CA 2437764 C CA2437764 C CA 2437764C CA 2437764 A CA2437764 A CA 2437764A CA 2437764 A CA2437764 A CA 2437764A CA 2437764 C CA2437764 C CA 2437764C
Authority
CA
Canada
Prior art keywords
channels
channel
decoding
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
CA2437764A
Other languages
English (en)
French (fr)
Other versions
CA2437764A1 (en
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
Original Assignee
Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of CA2437764A1 publication Critical patent/CA2437764A1/en
Application granted granted Critical
Publication of CA2437764C publication Critical patent/CA2437764C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
CA2437764A 2001-02-07 2002-02-07 Audio channel translation Expired - Lifetime CA2437764C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US26728401P 2001-02-07 2001-02-07
US60/267,284 2001-02-07
PCT/US2002/003619 WO2002063925A2 (en) 2001-02-07 2002-02-07 Audio channel translation

Publications (2)

Publication Number Publication Date
CA2437764A1 CA2437764A1 (en) 2002-08-15
CA2437764C true CA2437764C (en) 2012-04-10

Family

ID=23018136

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2437764A Expired - Lifetime CA2437764C (en) 2001-02-07 2002-02-07 Audio channel translation

Country Status (11)

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

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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
US11294618B2 (en) 2003-07-28 2022-04-05 Sonos, Inc. Media player system
US11106424B2 (en) 2003-07-28 2021-08-31 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
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
US11650784B2 (en) 2003-07-28 2023-05-16 Sonos, Inc. Adjusting volume levels
US8234395B2 (en) 2003-07-28 2012-07-31 Sonos, Inc. System and method for 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
ITRM20030559A1 (it) * 2003-12-03 2005-06-04 Fond Scuola Di San Giorgio Apparecchiatura per l'acquisizione e misura dei dati e
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DE602005022641D1 (de) 2004-03-01 2010-09-09 Dolby Lab Licensing Corp Mehrkanal-Audiodekodierung
US9977561B2 (en) 2004-04-01 2018-05-22 Sonos, Inc. Systems, methods, apparatus, and articles of manufacture to provide guest access
US8024055B1 (en) 2004-05-15 2011-09-20 Sonos, Inc. Method and system for controlling amplifiers
US8326951B1 (en) 2004-06-05 2012-12-04 Sonos, Inc. Establishing a secure wireless network with minimum human intervention
US8868698B2 (en) 2004-06-05 2014-10-21 Sonos, Inc. Establishing a secure wireless network with minimum human intervention
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US7283634B2 (en) * 2004-08-31 2007-10-16 Dts, Inc. Method of mixing audio channels using correlated outputs
CN102117617B (zh) * 2004-10-28 2013-01-30 Dts（英属维尔京群岛）有限公司 音频空间环境引擎
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
US8788080B1 (en) 2006-09-12 2014-07-22 Sonos, Inc. Multi-channel pairing in a media system
US8290782B2 (en) * 2008-07-24 2012-10-16 Dts, Inc. Compression of audio scale-factors by two-dimensional transformation
KR101296757B1 (ko) * 2008-09-11 2013-08-14 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 마이크로폰 신호를 기반으로 공간 큐의 세트를 제공하는 장치, 방법 및 컴퓨터 프로그램과, 2채널 오디오 신호 및 공간 큐의 세트를 제공하는 장치
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
CN102273233B (zh) * 2008-12-18 2015-04-15 杜比实验室特许公司 音频通道空间转换
US9197978B2 (en) 2009-03-31 2015-11-24 Panasonic Intellectual Property Management Co., Ltd. Sound reproduction apparatus and sound reproduction method
US10158958B2 (en) 2010-03-23 2018-12-18 Dolby Laboratories Licensing Corporation Techniques for localized perceptual audio
JP5323210B2 (ja) 2010-09-30 2013-10-23 パナソニック株式会社 音響再生装置および音響再生方法
US11429343B2 (en) 2011-01-25 2022-08-30 Sonos, Inc. Stereo playback configuration and control
US11265652B2 (en) 2011-01-25 2022-03-01 Sonos, Inc. Playback device pairing
US8938312B2 (en) 2011-04-18 2015-01-20 Sonos, Inc. Smart line-in processing
US9042556B2 (en) 2011-07-19 2015-05-26 Sonos, Inc Shaping sound responsive to speaker orientation
US9729115B2 (en) 2012-04-27 2017-08-08 Sonos, Inc. Intelligently increasing the sound level of player
US9008330B2 (en) 2012-09-28 2015-04-14 Sonos, Inc. Crossover frequency adjustments for audio speakers
WO2014088328A1 (ko) 2012-12-04 2014-06-12 삼성전자 주식회사 오디오 제공 장치 및 오디오 제공 방법
CA2908037C (en) 2013-03-29 2019-05-07 Samsung Electronics Co., Ltd. Audio apparatus and audio providing method thereof
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
US9244516B2 (en) 2013-09-30 2016-01-26 Sonos, Inc. Media playback system using standby mode in a mesh network
US9226073B2 (en) 2014-02-06 2015-12-29 Sonos, Inc. Audio output balancing during synchronized playback
US9226087B2 (en) 2014-02-06 2015-12-29 Sonos, Inc. Audio output balancing during synchronized playback
US10248376B2 (en) 2015-06-11 2019-04-02 Sonos, Inc. Multiple groupings in a playback system
JP2019530312A (ja) * 2016-10-04 2019-10-17 オムニオ、サウンド、リミテッドＯｍｎｉｏ Ｓｏｕｎｄ Ｌｉｍｉｔｅｄ ステレオ展開技術
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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Also Published As

Publication number Publication date
KR100904985B1 (ko) 2009-06-26
WO2002063925A2 (en) 2002-08-15
WO2002063925A3 (en) 2004-02-19
WO2002063925A8 (en) 2004-03-25
HK1066966A1 (en) 2005-04-01
AU2002251896A2 (en) 2002-08-19
EP1410686B1 (en) 2008-03-26
CA2437764A1 (en) 2002-08-15
EP1410686A2 (en) 2004-04-21
DE60225806D1 (en) 2008-05-08
MXPA03007064A (es) 2004-05-24
CN1275498C (zh) 2006-09-13
JP2004526355A (ja) 2004-08-26
DE60225806T2 (de) 2009-04-30
CN1524399A (zh) 2004-08-25
AU2002251896B2 (en) 2007-03-22
ATE390823T1 (de) 2008-04-15
KR20030079980A (ko) 2003-10-10

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Effective date: 20220207