CA2632394C - Apparatus and method for synthesizing three output channels using two input channels - Google Patents

Apparatus and method for synthesizing three output channels using two input channels Download PDF

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Publication number
CA2632394C
CA2632394C CA2632394A CA2632394A CA2632394C CA 2632394 C CA2632394 C CA 2632394C CA 2632394 A CA2632394 A CA 2632394A CA 2632394 A CA2632394 A CA 2632394A CA 2632394 C CA2632394 C CA 2632394C
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CA
Canada
Prior art keywords
channel
channels
output
signal components
input channels
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
CA2632394A
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English (en)
French (fr)
Other versions
CA2632394A1 (en
Inventor
Oliver Hellmuth
Juergen Herre
Harald Popp
Andreas Walter
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of CA2632394A1 publication Critical patent/CA2632394A1/en
Application granted granted Critical
Publication of CA2632394C publication Critical patent/CA2632394C/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
    • 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 

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Harvester Elements (AREA)
CA2632394A 2005-12-20 2005-12-20 Apparatus and method for synthesizing three output channels using two input channels Expired - Lifetime CA2632394C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/013738 WO2007071270A1 (en) 2005-12-20 2005-12-20 Apparatus and method for synthesizing three output channels using two input channels

Publications (2)

Publication Number Publication Date
CA2632394A1 CA2632394A1 (en) 2007-06-28
CA2632394C true CA2632394C (en) 2013-07-16

Family

ID=37027614

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2632394A Expired - Lifetime CA2632394C (en) 2005-12-20 2005-12-20 Apparatus and method for synthesizing three output channels using two input channels

Country Status (14)

Country Link
EP (1) EP1964442B1 (de)
JP (1) JP4792086B2 (de)
KR (1) KR100994294B1 (de)
CN (1) CN101341792B (de)
AT (1) ATE458364T1 (de)
AU (1) AU2005339439B2 (de)
BR (1) BRPI0520802B1 (de)
CA (1) CA2632394C (de)
DE (1) DE602005019484D1 (de)
ES (1) ES2340784T3 (de)
IL (1) IL191688A (de)
NO (1) NO339830B1 (de)
PL (1) PL1964442T3 (de)
WO (1) WO2007071270A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
JP5251731B2 (ja) * 2009-05-29 2013-07-31 ヤマハ株式会社 ミキシングコンソールおよびプログラム
US8000485B2 (en) * 2009-06-01 2011-08-16 Dts, Inc. Virtual audio processing for loudspeaker or headphone playback
JP5418357B2 (ja) * 2010-03-26 2014-02-19 ヤマハ株式会社 デジタルミキサおよびプログラム
JP5929301B2 (ja) * 2012-02-23 2016-06-01 オンキヨー株式会社 時間差補正方法、音声信号処理装置、再生装置およびプログラム
US9826328B2 (en) 2012-08-31 2017-11-21 Dolby Laboratories Licensing Corporation System for rendering and playback of object based audio in various listening environments
CN104376857A (zh) * 2013-08-16 2015-02-25 联想(北京)有限公司 信息处理的方法及电子设备
KR20160072130A (ko) * 2013-10-02 2016-06-22 슈트로밍스위스 게엠베하 2개 이상의 기본 신호로부터 다채널 신호의 유도
CN105828271B (zh) * 2015-01-09 2019-07-05 南京青衿信息科技有限公司 一种将两个声道声音信号转换成三个声道信号的方法
US11825026B1 (en) * 2020-12-10 2023-11-21 Hear360 Inc. Spatial audio virtualization for conference call applications

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770000A (en) * 1980-10-20 1982-04-30 Matsushita Electric Ind Co Ltd Stereo playback device
JPH05236599A (ja) * 1992-02-21 1993-09-10 Clarion Co Ltd ３スピーカの音響再生装置
JP4276380B2 (ja) * 1997-12-08 2009-06-10 トムソン ライセンシング オーディオコンプレッサ用のピーク−ピーク検出回路および音量制御システム
US7298852B2 (en) * 2001-07-11 2007-11-20 American Technology Corporation Dynamic power sharing in a multi-channel sound system
WO2002005261A2 (en) * 2000-07-11 2002-01-17 American Technology Corporation Dynamic power sharing in a multi-channel sound system
CN1270583C (zh) * 2002-06-19 2006-08-16 普诚科技股份有限公司 双声道转多声道的音响处理器

Also Published As

Publication number Publication date
DE602005019484D1 (de) 2010-04-01
AU2005339439B2 (en) 2010-07-22
JP4792086B2 (ja) 2011-10-12
EP1964442A1 (de) 2008-09-03
CA2632394A1 (en) 2007-06-28
PL1964442T3 (pl) 2010-07-30
KR100994294B1 (ko) 2010-11-12
ES2340784T3 (es) 2010-06-09
KR20080070066A (ko) 2008-07-29
CN101341792A (zh) 2009-01-07
BRPI0520802A2 (pt) 2009-06-23
IL191688A0 (en) 2008-12-29
IL191688A (en) 2012-05-31
EP1964442B1 (de) 2010-02-17
BRPI0520802B1 (pt) 2019-04-16
ATE458364T1 (de) 2010-03-15
NO339830B1 (no) 2017-02-06
NO20083188L (no) 2008-07-17
JP2009520419A (ja) 2009-05-21
HK1114994A1 (en) 2008-11-14
CN101341792B (zh) 2010-08-18
WO2007071270A1 (en) 2007-06-28
AU2005339439A1 (en) 2007-06-28

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