JP2004507904A5 - - Google Patents
Download PDFInfo
- 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
- Authority
- 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- Withdrawn
Links
- 239000011159 matrix material Substances 0.000 claims description 74
- 239000000463 material Substances 0.000 claims description 10
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000002238 attenuated effect Effects 0.000 claims 1
- 230000002596 correlated effect Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 claims 1
- 230000010363 phase shift Effects 0.000 claims 1
- 239000004615 ingredient Substances 0.000 description 1
Images
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JP2000509252A Withdrawn JP2004507904A (ja) | 1997-09-05 | 1998-09-03 | 5−2−5マトリックス・エンコーダおよびデコーダ・システム |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)
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)
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 |
-
1998
- 1998-09-03 WO PCT/US1998/018390 patent/WO1999012386A1/en not_active Application Discontinuation
- 1998-09-03 JP JP2000509252A patent/JP2004507904A/ja not_active Withdrawn
- 1998-09-03 AU AU93026/98A patent/AU750877C/en not_active Ceased
- 1998-09-03 CN CNB988109131A patent/CN1214690C/zh not_active Expired - Lifetime
- 1998-09-03 PL PL98338988A patent/PL338988A1/xx unknown
- 1998-09-03 EP EP98945881A patent/EP1013140B1/de not_active Expired - Lifetime
-
2006
- 2006-05-29 JP JP2006149032A patent/JP4782614B2/ja not_active Expired - Lifetime
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2004507904A5 (de) | ||
US5530760A (en) | Apparatus and method for adjusting levels between channels of a sound system | |
US5870480A (en) | Multichannel active matrix encoder and decoder with maximum lateral separation | |
EP0923848B1 (de) | Aktivmatrix-mehrkanal-tonwiedergabesystem mit maximaler seitlicher trennung | |
JP2695888B2 (ja) | 音再生における方向性強化システム | |
Dressler | Dolby Surround Pro Logic decoder principles of operation | |
KR100591008B1 (ko) | 다지향성 오디오 디코딩 | |
CA2071708C (en) | Audio surround system with stereo enhancement and directivity servos | |
JP4782614B2 (ja) | デコーダ | |
US6697491B1 (en) | 5-2-5 matrix encoder and decoder system | |
US5136650A (en) | Sound reproduction | |
US8509464B1 (en) | Multi-channel audio enhancement system | |
US7889870B2 (en) | Method and apparatus to simulate 2-channel virtualized sound for multi-channel sound | |
US8126173B2 (en) | System and method for expanding multi-speaker playback | |
US5119422A (en) | Optimal sonic separator and multi-channel forward imaging system | |
WO2012163445A1 (en) | Method for generating a surround audio signal from a mono/stereo audio signal | |
WO1998033357A2 (en) | Method and apparatus for electronically embedding directional cues in two channels of sound for interactive applications | |
US6850622B2 (en) | Sound field correction circuit | |
US6882733B2 (en) | Surround headphone output signal generator | |
US20090122994A1 (en) | Localization control device, localization control method, localization control program, and computer-readable recording medium | |
US20240187806A1 (en) | Virtualizer for binaural audio | |
KR100454012B1 (ko) | 5-2-5 매트릭스 인코더 및 디코더 시스템 | |
EP0630168B1 (de) | Dolby-Prologic-Dekodierer | |
KR0160205B1 (ko) | 스테레오 신호를 이용한 방향성 강조 장치 | |
JP2006319804A (ja) | デジタルバスブースト装置及びバーチャルサラウンドデコーダ装置 |