IL155129A0 - Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio - Google Patents

Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio

Info

Publication number
IL155129A0
IL155129A0 IL15512901A IL15512901A IL155129A0 IL 155129 A0 IL155129 A0 IL 155129A0 IL 15512901 A IL15512901 A IL 15512901A IL 15512901 A IL15512901 A IL 15512901A IL 155129 A0 IL155129 A0 IL 155129A0
Authority
IL
Israel
Prior art keywords
audio
decoding
channel matrix
matrix encoded
encoded audio
Prior art date
Application number
IL15512901A
Other languages
English (en)
Original Assignee
Digital Theater Syst Inc
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 Digital Theater Syst Inc filed Critical Digital Theater Syst Inc
Publication of IL155129A0 publication Critical patent/IL155129A0/xx

Links

Classifications

    • 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
    • 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 
    • H04S5/02—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 four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
IL15512901A 2000-10-06 2001-10-04 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio IL155129A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/680,737 US7003467B1 (en) 2000-10-06 2000-10-06 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
PCT/US2001/030997 WO2002032186A2 (en) 2000-10-06 2001-10-04 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio

Publications (1)

Publication Number Publication Date
IL155129A0 true IL155129A0 (en) 2003-10-31

Family

ID=24732305

Family Applications (2)

Application Number Title Priority Date Filing Date
IL15512901A IL155129A0 (en) 2000-10-06 2001-10-04 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
IL155129A IL155129A (he) 2000-10-06 2003-03-27 שיטה לפיענוח מטריצה דו–ערוצית מקודדת אודיו לבניה מחדש של אודיו רב–ערוצי

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL155129A IL155129A (he) 2000-10-06 2003-03-27 שיטה לפיענוח מטריצה דו–ערוצית מקודדת אודיו לבניה מחדש של אודיו רב–ערוצי

Country Status (10)

Country Link
US (2) US7003467B1 (he)
EP (1) EP1354495B1 (he)
JP (1) JP2004529515A (he)
KR (1) KR100666019B1 (he)
CN (1) CN100496149C (he)
AU (1) AU2002211400A1 (he)
CA (1) CA2423893C (he)
IL (2) IL155129A0 (he)
TR (1) TR200300428T2 (he)
WO (1) WO2002032186A2 (he)

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US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
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EP2510709A4 (en) * 2009-12-10 2015-04-08 Reality Ip Pty Ltd IMPROVED MATRIX DECODER FOR SURROUND SOUND
KR101785379B1 (ko) * 2010-12-31 2017-10-16 삼성전자주식회사 공간 음향에너지 분포 제어장치 및 방법
US8693697B2 (en) * 2011-06-06 2014-04-08 Reality Ip Pty Ltd Matrix encoder with improved channel separation
WO2014062509A1 (en) 2012-10-18 2014-04-24 Dolby Laboratories Licensing Corporation Systems and methods for initiating conferences using external devices
EP2830054A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
JP6543627B2 (ja) 2013-07-30 2019-07-10 ディーティーエス・インコーポレイテッドＤＴＳ，Ｉｎｃ． 一定出力ペアワイズパニングによるマトリクスデコーダ
PL3074969T3 (pl) 2013-11-27 2019-05-31 Dts Inc Matrycowe miksowanie oparte na multiplecie dla wielokanałowego audio o dużej liczbie kanałów
CN105917281B (zh) * 2014-01-22 2018-11-02 西门子公司 电气自动化设备的数字测量输入端以及电气自动化设备
US9306606B2 (en) * 2014-06-10 2016-04-05 The Boeing Company Nonlinear filtering using polyphase filter banks
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
EP4307718A3 (en) * 2016-01-19 2024-04-10 Boomcloud 360, Inc. Audio enhancement for head-mounted speakers
JP6569571B2 (ja) 2016-03-15 2019-09-04 ヤマハ株式会社 信号処理装置及び信号処理方法
JP6969368B2 (ja) 2017-12-27 2021-11-24 ヤマハ株式会社 オーディオデータ処理装置、及びオーディオデータ処理装置の制御方法。
JP2019205114A (ja) 2018-05-25 2019-11-28 ヤマハ株式会社 データ処理装置、及びデータ処理方法。
JP7701753B2 (ja) 2020-10-07 2025-07-02 クラング 音を出力する方法及びスピーカ

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Also Published As

Publication number Publication date
KR20030038786A (ko) 2003-05-16
WO2002032186A2 (en) 2002-04-18
EP1354495A2 (en) 2003-10-22
EP1354495B1 (en) 2013-04-10
KR100666019B1 (ko) 2007-01-10
AU2002211400A1 (en) 2002-04-22
CA2423893C (en) 2006-04-25
CA2423893A1 (en) 2002-04-18
CN100496149C (zh) 2009-06-03
JP2004529515A (ja) 2004-09-24
HK1071271A1 (zh) 2005-07-08
CN1575621A (zh) 2005-02-02
US7003467B1 (en) 2006-02-21
TR200300428T2 (tr) 2005-12-21
IL155129A (he) 2009-11-18
US20060095269A1 (en) 2006-05-04
WO2002032186A3 (en) 2003-08-14

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