JP2000350300A - 指向性復号方法及び装置 - Google Patents

指向性復号方法及び装置

Info

Publication number
JP2000350300A
JP2000350300A JP2000145596A JP2000145596A JP2000350300A JP 2000350300 A JP2000350300 A JP 2000350300A JP 2000145596 A JP2000145596 A JP 2000145596A JP 2000145596 A JP2000145596 A JP 2000145596A JP 2000350300 A JP2000350300 A JP 2000350300A
Authority
JP
Japan
Prior art keywords
channel
signal
channels
input
correlation
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.)
Pending
Application number
JP2000145596A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000350300A5 (enrdf_load_stackoverflow
Inventor
Richard J Aylward
ジェイ・リチャード・エールワード
Hilmar Lehnert
ヒルマー・レーナート
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.)
Bose Corp
Original Assignee
Bose 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
Priority claimed from US09/313,058 external-priority patent/US7016501B1/en
Application filed by Bose Corp filed Critical Bose Corp
Publication of JP2000350300A publication Critical patent/JP2000350300A/ja
Publication of JP2000350300A5 publication Critical patent/JP2000350300A5/ja
Pending legal-status Critical Current

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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2000145596A 1999-05-17 2000-05-17 指向性復号方法及び装置 Pending JP2000350300A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/313,058 US7016501B1 (en) 1997-02-07 1999-05-17 Directional decoding
US09/313058 1999-05-17

Publications (2)

Publication Number Publication Date
JP2000350300A true JP2000350300A (ja) 2000-12-15
JP2000350300A5 JP2000350300A5 (enrdf_load_stackoverflow) 2007-06-28

Family

ID=23214203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000145596A Pending JP2000350300A (ja) 1999-05-17 2000-05-17 指向性復号方法及び装置

Country Status (3)

Country Link
EP (1) EP1054575A3 (enrdf_load_stackoverflow)
JP (1) JP2000350300A (enrdf_load_stackoverflow)
CN (1) CN100349497C (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007526522A (ja) * 2004-03-01 2007-09-13 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション マルチチャンネルオーディオコーディング
JP2008507184A (ja) * 2004-07-14 2008-03-06 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオチャネル変換
JP2008512055A (ja) * 2004-08-31 2008-04-17 ディー・ティー・エス，インコーポレーテッド 相関出力を使用したオーディオ・チャネル混合方法
KR100904985B1 (ko) 2001-02-07 2009-06-26 돌비 레버러토리즈 라이쎈싱 코오포레이션 오디오 채널 변환
JP4856653B2 (ja) * 2004-11-30 2012-01-18 アギア システムズ インコーポレーテッド 被送出チャネルに基づくキューを用いる空間オーディオのパラメトリック・コーディング

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
WO2004019656A2 (en) * 2001-02-07 2004-03-04 Dolby Laboratories Licensing Corporation Audio channel spatial translation
DE60308876T2 (de) * 2002-08-07 2007-03-01 Dolby Laboratories Licensing Corp., San Francisco Audiokanalumsetzung
US8108219B2 (en) 2005-07-11 2012-01-31 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signal
CN101351839B (zh) * 2005-09-14 2012-07-04 Lg电子株式会社 解码音频信号的方法和装置
EP1946296A4 (en) 2005-09-14 2010-01-20 Lg Electronics Inc METHOD AND DEVICE FOR DECODING AN AUDIO SIGNAL
US8126152B2 (en) * 2006-03-28 2012-02-28 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for a decoder for multi-channel surround sound
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
WO2017049400A1 (en) 2015-09-25 2017-03-30 Voiceage Corporation Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03110999A (ja) * 1989-09-25 1991-05-10 Sharp Corp ４チャンネル・ステレオ強調回路
JPH10295000A (ja) * 1997-02-07 1998-11-04 Bose Corp サラウンド・サウンド符号化及び復号化装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046098A (en) * 1985-03-07 1991-09-03 Dolby Laboratories Licensing Corporation Variable matrix decoder with three output channels
JP2512038B2 (ja) * 1987-12-01 1996-07-03 松下電器産業株式会社 音場再生装置
JPH05236599A (ja) * 1992-02-21 1993-09-10 Clarion Co Ltd ３スピーカの音響再生装置
EP0593128B1 (en) * 1992-10-15 1999-01-07 Koninklijke Philips Electronics N.V. Deriving system for deriving a centre channel signal from a stereophonic audio signal
US5572591A (en) 1993-03-09 1996-11-05 Matsushita Electric Industrial Co., Ltd. Sound field controller
US5727068A (en) 1996-03-01 1998-03-10 Cinema Group, Ltd. Matrix decoding method and apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03110999A (ja) * 1989-09-25 1991-05-10 Sharp Corp ４チャンネル・ステレオ強調回路
JPH10295000A (ja) * 1997-02-07 1998-11-04 Bose Corp サラウンド・サウンド符号化及び復号化装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100904985B1 (ko) 2001-02-07 2009-06-26 돌비 레버러토리즈 라이쎈싱 코오포레이션 오디오 채널 변환
JP2007526522A (ja) * 2004-03-01 2007-09-13 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション マルチチャンネルオーディオコーディング
JP4867914B2 (ja) * 2004-03-01 2012-02-01 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 マルチチャンネルオーディオコーディング
JP2008507184A (ja) * 2004-07-14 2008-03-06 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオチャネル変換
US8793125B2 (en) 2004-07-14 2014-07-29 Koninklijke Philips Electronics N.V. Method and device for decorrelation and upmixing of audio channels
JP2008512055A (ja) * 2004-08-31 2008-04-17 ディー・ティー・エス，インコーポレーテッド 相関出力を使用したオーディオ・チャネル混合方法
JP4866354B2 (ja) * 2004-08-31 2012-02-01 ディー・ティー・エス，インコーポレーテッド 相関出力を使用したオーディオ・チャネル混合方法
JP4856653B2 (ja) * 2004-11-30 2012-01-18 アギア システムズ インコーポレーテッド 被送出チャネルに基づくキューを用いる空間オーディオのパラメトリック・コーディング

Also Published As

Publication number Publication date
HK1032705A1 (en) 2001-07-27
EP1054575A3 (en) 2002-09-18
CN1281329A (zh) 2001-01-24
CN100349497C (zh) 2007-11-14
EP1054575A2 (en) 2000-11-22

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