DE69832595T2 - Mehrweg-audiodekoder - Google Patents
Mehrweg-audiodekoder Download PDFInfo
- Publication number
- DE69832595T2 DE69832595T2 DE69832595T DE69832595T DE69832595T2 DE 69832595 T2 DE69832595 T2 DE 69832595T2 DE 69832595 T DE69832595 T DE 69832595T DE 69832595 T DE69832595 T DE 69832595T DE 69832595 T2 DE69832595 T2 DE 69832595T2
- Authority
- DE
- Germany
- Prior art keywords
- network
- signal
- frequency
- matrix
- transducer
- 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
Links
- 230000001419 dependent effect Effects 0.000 claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims description 64
- 230000006870 function Effects 0.000 claims description 29
- 238000012546 transfer Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 13
- 238000001228 spectrum Methods 0.000 claims description 11
- 238000013507 mapping Methods 0.000 claims description 10
- 239000000872 buffer Substances 0.000 claims description 8
- 238000012217 deletion Methods 0.000 claims description 6
- 230000037430 deletion Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000670 limiting effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 3
- 230000002238 attenuated effect Effects 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 1
- 238000009877 rendering Methods 0.000 abstract description 3
- 230000004044 response Effects 0.000 description 20
- 230000001934 delay Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000010791 quenching Methods 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005070 sampling Methods 0.000 description 6
- 238000006880 cross-coupling reaction Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
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- 230000036961 partial effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US819582 | 1997-03-14 | ||
| US08/819,582 US6449368B1 (en) | 1997-03-14 | 1997-03-14 | Multidirectional audio decoding |
| PCT/US1998/003882 WO1998042162A2 (en) | 1997-03-14 | 1998-02-26 | Multidirectional audio decoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69832595D1 DE69832595D1 (de) | 2006-01-05 |
| DE69832595T2 true DE69832595T2 (de) | 2006-08-10 |
Family
ID=25228541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69832595T Expired - Lifetime DE69832595T2 (de) | 1997-03-14 | 1998-02-26 | Mehrweg-audiodekoder |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6449368B1 (enExample) |
| EP (1) | EP0966865B1 (enExample) |
| JP (1) | JP2001516537A (enExample) |
| KR (1) | KR100591008B1 (enExample) |
| AT (1) | ATE311733T1 (enExample) |
| AU (1) | AU747377B2 (enExample) |
| CA (1) | CA2283838C (enExample) |
| DE (1) | DE69832595T2 (enExample) |
| DK (1) | DK0966865T3 (enExample) |
| ES (1) | ES2249823T3 (enExample) |
| WO (1) | WO1998042162A2 (enExample) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010030608A (ko) * | 1997-09-16 | 2001-04-16 | 레이크 테크놀로지 리미티드 | 청취자 주변의 음원의 공간화를 향상시키기 위한 스테레오헤드폰 디바이스에서의 필터링 효과의 이용 |
| DE19847689B4 (de) * | 1998-10-15 | 2013-07-11 | Samsung Electronics Co., Ltd. | Vorrichtung und Verfahren zur dreidimensionalen Tonwiedergabe |
| ATE230917T1 (de) * | 1999-10-07 | 2003-01-15 | Zlatan Ribic | Verfahren und anordnung zur aufnahme von schallsignalen |
| US7369665B1 (en) | 2000-08-23 | 2008-05-06 | Nintendo Co., Ltd. | Method and apparatus for mixing sound signals |
| AUPR061800A0 (en) * | 2000-10-09 | 2000-11-02 | Lake Technology Limited | Authoring system |
| EP1251717A1 (fr) * | 2001-04-17 | 2002-10-23 | Yellowknife A.V.V. | Procédé et circuit pour l'écoute au casque d'un enrégistrement audio |
| US6804565B2 (en) | 2001-05-07 | 2004-10-12 | Harman International Industries, Incorporated | Data-driven software architecture for digital sound processing and equalization |
| KR100392449B1 (ko) * | 2001-07-16 | 2003-07-23 | 삼성전자주식회사 | 디지털ｔｖ신호의 재생시스템 및 그 재생방법 |
| JP4097426B2 (ja) * | 2001-12-07 | 2008-06-11 | 日本ビクター株式会社 | 位相変換サラウンド回路 |
| TWI230024B (en) * | 2001-12-18 | 2005-03-21 | Dolby Lab Licensing Corp | Method and audio apparatus for improving spatial perception of multiple sound channels when reproduced by two loudspeakers |
| US20030202665A1 (en) * | 2002-04-24 | 2003-10-30 | Bo-Ting Lin | Implementation method of 3D audio |
| US7567845B1 (en) * | 2002-06-04 | 2009-07-28 | Creative Technology Ltd | Ambience generation for stereo signals |
| US7072726B2 (en) * | 2002-06-19 | 2006-07-04 | Microsoft Corporation | Converting M channels of digital audio data into N channels of digital audio data |
| US7290057B2 (en) * | 2002-08-20 | 2007-10-30 | Microsoft Corporation | Media streaming of web content data |
| KR100541478B1 (ko) * | 2002-09-06 | 2006-01-10 | 엘지전자 주식회사 | 휴대폰 음장 제어장치 및 방법 |
| JP4627973B2 (ja) * | 2003-07-29 | 2011-02-09 | 富士通テン株式会社 | スピーカ装置 |
| US8054980B2 (en) * | 2003-09-05 | 2011-11-08 | Stmicroelectronics Asia Pacific Pte, Ltd. | Apparatus and method for rendering audio information to virtualize speakers in an audio system |
| US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
| KR20050060789A (ko) * | 2003-12-17 | 2005-06-22 | 삼성전자주식회사 | 가상 음향 재생 방법 및 그 장치 |
| US7970144B1 (en) | 2003-12-17 | 2011-06-28 | Creative Technology Ltd | Extracting and modifying a panned source for enhancement and upmix of audio signals |
| KR101086398B1 (ko) * | 2003-12-24 | 2011-11-25 | 삼성전자주식회사 | 다수의 마이크로폰을 이용한 지향성 제어 가능 스피커시스템 및 그 방법 |
| JP2006319802A (ja) * | 2005-05-13 | 2006-11-24 | Pioneer Electronic Corp | バーチャルサラウンドデコーダ装置 |
| JP2006319801A (ja) * | 2005-05-13 | 2006-11-24 | Pioneer Electronic Corp | バーチャルサラウンドデコーダ装置 |
| JP4988717B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
| WO2006126844A2 (en) | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
| WO2007016527A1 (en) * | 2005-07-29 | 2007-02-08 | Harman International Industries, Incorporated | Audio tuning system |
| KR100739776B1 (ko) | 2005-09-22 | 2007-07-13 | 삼성전자주식회사 | 입체 음향 생성 방법 및 장치 |
| KR100636248B1 (ko) * | 2005-09-26 | 2006-10-19 | 삼성전자주식회사 | 보컬 제거 장치 및 방법 |
| KR100739762B1 (ko) | 2005-09-26 | 2007-07-13 | 삼성전자주식회사 | 크로스토크 제거 장치 및 그를 적용한 입체 음향 생성 시스템 |
| WO2007083956A1 (en) | 2006-01-19 | 2007-07-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
| KR100921453B1 (ko) | 2006-02-07 | 2009-10-13 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
| CN101427481A (zh) * | 2006-09-28 | 2009-05-06 | 松下电器产业株式会社 | 波形均衡装置 |
| US8805743B2 (en) * | 2006-12-27 | 2014-08-12 | International Business Machines Corporation | Tracking, distribution and management of apportionable licenses granted for distributed software products |
| US7953233B2 (en) * | 2007-03-20 | 2011-05-31 | National Semiconductor Corporation | Synchronous detection and calibration system and method for differential acoustic sensors |
| US8229143B2 (en) * | 2007-05-07 | 2012-07-24 | Sunil Bharitkar | Stereo expansion with binaural modeling |
| US7948862B2 (en) * | 2007-09-26 | 2011-05-24 | Solarflare Communications, Inc. | Crosstalk cancellation using sliding filters |
| US20090086982A1 (en) * | 2007-09-28 | 2009-04-02 | Qualcomm Incorporated | Crosstalk cancellation for closely spaced speakers |
| UA101542C2 (ru) * | 2008-12-15 | 2013-04-10 | Долби Лабораторис Лайсензин Корпорейшн | Виртуализатор окружающего звука с динамическим сжатием диапазона и способ |
| BRPI1005445B1 (pt) * | 2009-05-18 | 2021-01-12 | Harman International Industries, Incorporated | Sistema de sintonização de áudio com eficiência de energia automatizada, método dedesempenhar a sintonização de eficiência de energia automatizada de um sistema de áudio, e meio dearmazenamento legível por computador para armazenar código executável na forma deinstruções |
| US8259960B2 (en) * | 2009-09-11 | 2012-09-04 | BSG Laboratory, LLC | Phase layering apparatus and method for a complete audio signal |
| US8194869B2 (en) | 2010-03-17 | 2012-06-05 | Harman International Industries, Incorporated | Audio power management system |
| US9107021B2 (en) * | 2010-04-30 | 2015-08-11 | Microsoft Technology Licensing, Llc | Audio spatialization using reflective room model |
| US9351073B1 (en) * | 2012-06-20 | 2016-05-24 | Amazon Technologies, Inc. | Enhanced stereo playback |
| US9277343B1 (en) | 2012-06-20 | 2016-03-01 | Amazon Technologies, Inc. | Enhanced stereo playback with listener position tracking |
| US9271102B2 (en) * | 2012-08-16 | 2016-02-23 | Turtle Beach Corporation | Multi-dimensional parametric audio system and method |
| US9560464B2 (en) | 2014-11-25 | 2017-01-31 | The Trustees Of Princeton University | System and method for producing head-externalized 3D audio through headphones |
| US20160173808A1 (en) * | 2014-12-16 | 2016-06-16 | Psyx Research, Inc. | System and method for level control at a receiver |
| MX367429B (es) * | 2015-02-18 | 2019-08-21 | Huawei Tech Co Ltd | Un aparato de procesamiento de señal de audio y metodo para filtrar una señal de audio. |
| US9923550B2 (en) | 2015-09-16 | 2018-03-20 | Bose Corporation | Estimating secondary path phase in active noise control |
| US9773491B2 (en) | 2015-09-16 | 2017-09-26 | Bose Corporation | Estimating secondary path magnitude in active noise control |
| US9756423B2 (en) * | 2015-09-16 | 2017-09-05 | Océ-Technologies B.V. | Method for removing electric crosstalk |
| JP6454916B2 (ja) * | 2017-03-28 | 2019-01-23 | 本田技研工業株式会社 | 音声処理装置、音声処理方法及びプログラム |
| US10771896B2 (en) | 2017-04-14 | 2020-09-08 | Hewlett-Packard Development Company, L.P. | Crosstalk cancellation for speaker-based spatial rendering |
| CN113170273B (zh) * | 2018-10-05 | 2023-03-28 | 奇跃公司 | 用于双耳音频渲染的耳间时间差交叉渐变器 |
| US11246001B2 (en) | 2020-04-23 | 2022-02-08 | Thx Ltd. | Acoustic crosstalk cancellation and virtual speakers techniques |
| WO2023225026A1 (en) * | 2022-05-16 | 2023-11-23 | Turtle Beach Corporation | Improved parametric signal processing systems and methods |
| US20250056182A1 (en) * | 2023-08-09 | 2025-02-13 | Harman International Industries, Incorporated | Crosstalk cancellation for reverberant acoustic fields |
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| US5517570A (en) | 1993-12-14 | 1996-05-14 | Taylor Group Of Companies, Inc. | Sound reproducing array processor system |
| BE1008027A3 (nl) | 1994-01-17 | 1995-12-12 | Philips Electronics Nv | Signaalcombinatieschakeling, signaalbewerkingsschakeling voorzien van de signaalcombinatieschakeling, stereofonische audioweergave-inrichting voorzien de signaalbewerkingsschakeling, alsmede een audio-visuele weergave-inrichting voorzien van de stereofonische audioweergave-inrichting. |
| US5436975A (en) | 1994-02-02 | 1995-07-25 | Qsound Ltd. | Apparatus for cross fading out of the head sound locations |
| US5659619A (en) | 1994-05-11 | 1997-08-19 | Aureal Semiconductor, Inc. | Three-dimensional virtual audio display employing reduced complexity imaging filters |
| JP2944424B2 (ja) | 1994-06-16 | 1999-09-06 | 三洋電機株式会社 | 音響再生回路 |
| JPH0819100A (ja) | 1994-07-01 | 1996-01-19 | Matsushita Electric Ind Co Ltd | サラウンドステレオ |
| US5533129A (en) | 1994-08-24 | 1996-07-02 | Gefvert; Herbert I. | Multi-dimensional sound reproduction system |
| GB9417185D0 (en) | 1994-08-25 | 1994-10-12 | Adaptive Audio Ltd | Sounds recording and reproduction systems |
| JP3500746B2 (ja) | 1994-12-21 | 2004-02-23 | 松下電器産業株式会社 | 音像定位装置及びフィルタ設定方法 |
| DE69635466T2 (de) | 1995-01-25 | 2006-08-17 | Victor Company of Japan, Ltd., Yokohama | Raumklangbzw. Surround-Signal-Verarbeitungsvorrichtung |
| US5889867A (en) * | 1996-09-18 | 1999-03-30 | Bauck; Jerald L. | Stereophonic Reformatter |
-
1997
- 1997-03-14 US US08/819,582 patent/US6449368B1/en not_active Expired - Lifetime
-
1998
- 1998-02-26 KR KR1019997007959A patent/KR100591008B1/ko not_active Expired - Lifetime
- 1998-02-26 AU AU66717/98A patent/AU747377B2/en not_active Expired
- 1998-02-26 CA CA002283838A patent/CA2283838C/en not_active Expired - Lifetime
- 1998-02-26 WO PCT/US1998/003882 patent/WO1998042162A2/en not_active Ceased
- 1998-02-26 ES ES98908769T patent/ES2249823T3/es not_active Expired - Lifetime
- 1998-02-26 DK DK98908769T patent/DK0966865T3/da active
- 1998-02-26 JP JP54053798A patent/JP2001516537A/ja active Pending
- 1998-02-26 DE DE69832595T patent/DE69832595T2/de not_active Expired - Lifetime
- 1998-02-26 EP EP98908769A patent/EP0966865B1/en not_active Expired - Lifetime
- 1998-02-26 AT AT98908769T patent/ATE311733T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| AU6671798A (en) | 1998-10-12 |
| DE69832595D1 (de) | 2006-01-05 |
| KR100591008B1 (ko) | 2006-06-22 |
| EP0966865A2 (en) | 1999-12-29 |
| CA2283838A1 (en) | 1998-09-24 |
| EP0966865B1 (en) | 2005-11-30 |
| US6449368B1 (en) | 2002-09-10 |
| ES2249823T3 (es) | 2006-04-01 |
| DK0966865T3 (da) | 2006-03-27 |
| CA2283838C (en) | 2006-01-24 |
| WO1998042162A3 (en) | 1998-12-03 |
| KR20000075880A (ko) | 2000-12-26 |
| WO1998042162A2 (en) | 1998-09-24 |
| AU747377B2 (en) | 2002-05-16 |
| JP2001516537A (ja) | 2001-09-25 |
| ATE311733T1 (de) | 2005-12-15 |
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