JP2004507904A5 - - Google Patents

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Publication number
JP2004507904A5
JP2004507904A5 JP2000509252A JP2000509252A JP2004507904A5 JP 2004507904 A5 JP2004507904 A5 JP 2004507904A5 JP 2000509252 A JP2000509252 A JP 2000509252A JP 2000509252 A JP2000509252 A JP 2000509252A JP 2004507904 A5 JP2004507904 A5 JP 2004507904A5
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JP
Japan
Prior art keywords
signal
output
surround
input
decoder
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.)
Withdrawn
Application number
JP2000509252A
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English (en)
Japanese (ja)
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JP2004507904A (ja
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Publication date
Application filed filed Critical
Priority claimed from PCT/US1998/018390 external-priority patent/WO1999012386A1/en
Priority claimed from US09/146,442 external-priority patent/US6697491B1/en
Publication of JP2004507904A publication Critical patent/JP2004507904A/ja
Publication of JP2004507904A5 publication Critical patent/JP2004507904A5/ja
Withdrawn legal-status Critical Current

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JP2000509252A 1997-09-05 1998-09-03 5−2−5マトリックス・エンコーダおよびデコーダ・システム Withdrawn JP2004507904A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5816997P 1997-09-05 1997-09-05
PCT/US1998/018390 WO1999012386A1 (en) 1997-09-05 1998-09-03 5-2-5 matrix encoder and decoder system
US09/146,442 US6697491B1 (en) 1996-07-19 1998-09-03 5-2-5 matrix encoder and decoder system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006149032A Division JP4782614B2 (ja) 1997-09-05 2006-05-29 デコーダ

Publications (2)

Publication Number Publication Date
JP2004507904A JP2004507904A (ja) 2004-03-11
JP2004507904A5 true JP2004507904A5 (de) 2006-01-12

Family

ID=26737320

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2000509252A Withdrawn JP2004507904A (ja) 1997-09-05 1998-09-03 5−2−5マトリックス・エンコーダおよびデコーダ・システム
JP2006149032A Expired - Lifetime JP4782614B2 (ja) 1997-09-05 2006-05-29 デコーダ

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2006149032A Expired - Lifetime JP4782614B2 (ja) 1997-09-05 2006-05-29 デコーダ

Country Status (6)

Country Link
EP (1) EP1013140B1 (de)
JP (2) JP2004507904A (de)
CN (1) CN1214690C (de)
AU (1) AU750877C (de)
PL (1) PL338988A1 (de)
WO (1) WO1999012386A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6154660A (en) * 1998-07-21 2000-11-28 Ericsson Inc. Callee-based telephone line preselection
US6442278B1 (en) * 1999-06-15 2002-08-27 Hearing Enhancement Company, Llc Voice-to-remaining audio (VRA) interactive center channel downmix
KR100923297B1 (ko) * 2002-12-14 2009-10-23 삼성전자주식회사 스테레오 오디오 부호화 방법, 그 장치, 복호화 방법 및그 장치
WO2004072956A1 (en) * 2003-02-11 2004-08-26 Koninklijke Philips Electronics N.V. Audio coding
JP3915804B2 (ja) * 2004-08-26 2007-05-16 ヤマハ株式会社 オーディオ再生装置
TWI397903B (zh) * 2005-04-13 2013-06-01 Dolby Lab Licensing Corp 編碼音訊之節約音量測量技術
JP5191886B2 (ja) * 2005-06-03 2013-05-08 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 サイド情報を有するチャンネルの再構成
CN101233571B (zh) * 2005-07-29 2012-12-05 Lg电子株式会社 处理音频信号的方法和装置
CN101278598B (zh) 2005-10-07 2011-05-25 松下电器产业株式会社 音频信号处理装置以及音频信号处理方法
TWI420918B (zh) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp 低複雜度音訊矩陣解碼器
KR20070099456A (ko) * 2006-04-03 2007-10-09 엘지전자 주식회사 미디어 신호 처리 방법 및 장치
TWI517562B (zh) * 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
US8515106B2 (en) 2007-11-28 2013-08-20 Qualcomm Incorporated Methods and apparatus for providing an interface to a processing engine that utilizes intelligent audio mixing techniques
US8660280B2 (en) 2007-11-28 2014-02-25 Qualcomm Incorporated Methods and apparatus for providing a distinct perceptual location for an audio source within an audio mixture
SG189747A1 (en) 2008-04-18 2013-05-31 Dolby Lab Licensing Corp Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
EP2154677B1 (de) * 2008-08-13 2013-07-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Bestimmung eines konvertierten Raumtonsignals
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
KR101600352B1 (ko) * 2008-10-30 2016-03-07 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 장치 및 방법
CN103000179B (zh) * 2011-09-16 2014-11-12 中国科学院声学研究所 一种多通道音频编解码系统及其方法
JP6049762B2 (ja) * 2012-02-24 2016-12-21 ドルビー・インターナショナル・アーベー オーディオ処理
CN108206021B (zh) * 2016-12-16 2020-12-18 南京青衿信息科技有限公司 一种后向兼容式三维声编码器、解码器及其编解码方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152542A (en) * 1971-10-06 1979-05-01 Cooper Duane P Multichannel matrix logic and encoding systems
JPS5248001B2 (de) * 1973-08-20 1977-12-07
US4862502A (en) * 1988-01-06 1989-08-29 Lexicon, Inc. Sound reproduction
JP2647991B2 (ja) * 1990-04-26 1997-08-27 三洋電機株式会社 方向性強調を有するオーディオ信号処理装置
US5504819A (en) * 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
US5136650A (en) * 1991-01-09 1992-08-04 Lexicon, Inc. Sound reproduction
GB9103207D0 (en) * 1991-02-15 1991-04-03 Gerzon Michael A Stereophonic sound reproduction system
JPH0560098U (ja) * 1992-01-09 1993-08-06 三洋電機株式会社 音声信号処理装置
US5796844A (en) * 1996-07-19 1998-08-18 Lexicon Multichannel active matrix sound reproduction with maximum lateral separation

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