BRPI0923440A2 - virtualizador e método de som sorround com compressão de faixa dinâmica - Google Patents
virtualizador e método de som sorround com compressão de faixa dinâmicaInfo
- Publication number
- BRPI0923440A2 BRPI0923440A2 BRPI0923440A BRPI0923440A BRPI0923440A2 BR PI0923440 A2 BRPI0923440 A2 BR PI0923440A2 BR PI0923440 A BRPI0923440 A BR PI0923440A BR PI0923440 A BRPI0923440 A BR PI0923440A BR PI0923440 A2 BRPI0923440 A2 BR PI0923440A2
- Authority
- BR
- Brazil
- Prior art keywords
- virtounder
- sorround
- dynamic range
- range compression
- sound method
- Prior art date
Links
- 230000006835 compression Effects 0.000 title 1
- 238000007906 compression Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- 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
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Analysis (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12264708P | 2008-12-15 | 2008-12-15 | |
| US61/122,647 | 2008-12-15 | ||
| PCT/US2009/066230 WO2010074893A1 (en) | 2008-12-15 | 2009-12-01 | Surround sound virtualizer and method with dynamic range compression |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| BRPI0923440A2 true BRPI0923440A2 (pt) | 2016-01-12 |
| BRPI0923440A8 BRPI0923440A8 (pt) | 2017-09-12 |
| BRPI0923440B1 BRPI0923440B1 (pt) | 2021-02-02 |
Family
ID=41651132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0923440-3A BRPI0923440B1 (pt) | 2008-12-15 | 2009-12-01 | método de virtualização de som surround e sistema de virtualização de som surround |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US8867750B2 (pt) |
| EP (1) | EP2374288B1 (pt) |
| CN (1) | CN102246544B (pt) |
| AU (1) | AU2009330534B2 (pt) |
| BR (1) | BRPI0923440B1 (pt) |
| CA (1) | CA2744459C (pt) |
| IL (1) | IL212895A0 (pt) |
| MY (1) | MY180232A (pt) |
| RU (1) | RU2491764C2 (pt) |
| SG (1) | SG171324A1 (pt) |
| UA (1) | UA101542C2 (pt) |
| WO (1) | WO2010074893A1 (pt) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102017402B (zh) | 2007-12-21 | 2015-01-07 | Dts有限责任公司 | 用于调节音频信号的感知响度的系统 |
| JP5341919B2 (ja) * | 2008-02-14 | 2013-11-13 | 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 | ステレオ音響の拡幅 |
| US8538042B2 (en) | 2009-08-11 | 2013-09-17 | Dts Llc | System for increasing perceived loudness of speakers |
| KR20120004909A (ko) * | 2010-07-07 | 2012-01-13 | 삼성전자주식회사 | 입체 음향 재생 방법 및 장치 |
| TWI479905B (zh) * | 2012-01-12 | 2015-04-01 | Univ Nat Central | Multi-channel down mixing device |
| FR2986932B1 (fr) * | 2012-02-13 | 2014-03-07 | Franck Rosset | Procede de synthese transaurale pour la spatialisation sonore |
| US9312829B2 (en) * | 2012-04-12 | 2016-04-12 | Dts Llc | System for adjusting loudness of audio signals in real time |
| JP5897219B2 (ja) | 2012-08-31 | 2016-03-30 | 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 | オブジェクト・ベースのオーディオの仮想レンダリング |
| JP6056356B2 (ja) | 2012-10-10 | 2017-01-11 | ティアック株式会社 | 録音装置 |
| JP6079119B2 (ja) | 2012-10-10 | 2017-02-15 | ティアック株式会社 | 録音装置 |
| CN104078050A (zh) | 2013-03-26 | 2014-10-01 | 杜比实验室特许公司 | 用于音频分类和音频处理的设备和方法 |
| KR102395351B1 (ko) | 2013-07-31 | 2022-05-10 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 공간적으로 분산된 또는 큰 오디오 오브젝트들의 프로세싱 |
| CN104581610B (zh) * | 2013-10-24 | 2018-04-27 | 华为技术有限公司 | 一种虚拟立体声合成方法及装置 |
| US10142761B2 (en) | 2014-03-06 | 2018-11-27 | Dolby Laboratories Licensing Corporation | Structural modeling of the head related impulse response |
| CN106465027B (zh) | 2014-05-13 | 2019-06-04 | 弗劳恩霍夫应用研究促进协会 | 用于边缘衰落幅度平移的装置和方法 |
| JP6558047B2 (ja) * | 2015-04-24 | 2019-08-14 | 株式会社Ｊｖｃケンウッド | 信号処理装置及び信号処理方法 |
| US9860666B2 (en) | 2015-06-18 | 2018-01-02 | Nokia Technologies Oy | Binaural audio reproduction |
| WO2017074321A1 (en) * | 2015-10-27 | 2017-05-04 | Ambidio, Inc. | Apparatus and method for sound stage enhancement |
| US10306392B2 (en) | 2015-11-03 | 2019-05-28 | Dolby Laboratories Licensing Corporation | Content-adaptive surround sound virtualization |
| CA3004962A1 (en) * | 2015-11-10 | 2017-05-18 | Lee F. Bender | Digital audio processing systems and methods |
| EP3453190A4 (en) | 2016-05-06 | 2020-01-15 | DTS, Inc. | SYSTEMS FOR IMMERSIVE AUDIO PLAYBACK |
| EP3569000B1 (en) * | 2017-01-13 | 2023-03-29 | Dolby Laboratories Licensing Corporation | Dynamic equalization for cross-talk cancellation |
| WO2018151858A1 (en) * | 2017-02-17 | 2018-08-23 | Ambidio, Inc. | Apparatus and method for downmixing multichannel audio signals |
| US10979844B2 (en) | 2017-03-08 | 2021-04-13 | Dts, Inc. | Distributed audio virtualization systems |
| GB2569214B (en) * | 2017-10-13 | 2021-11-24 | Dolby Laboratories Licensing Corp | Systems and methods for providing an immersive listening experience in a limited area using a rear sound bar |
| US10511909B2 (en) | 2017-11-29 | 2019-12-17 | Boomcloud 360, Inc. | Crosstalk cancellation for opposite-facing transaural loudspeaker systems |
| US10674266B2 (en) | 2017-12-15 | 2020-06-02 | Boomcloud 360, Inc. | Subband spatial processing and crosstalk processing system for conferencing |
| US10764704B2 (en) * | 2018-03-22 | 2020-09-01 | Boomcloud 360, Inc. | Multi-channel subband spatial processing for loudspeakers |
| CN112534717B (zh) | 2018-06-22 | 2023-07-28 | 杜比实验室特许公司 | 响应于反馈的多声道音频增强、解码及渲染 |
| US10841728B1 (en) | 2019-10-10 | 2020-11-17 | Boomcloud 360, Inc. | Multi-channel crosstalk processing |
| US11032644B2 (en) | 2019-10-10 | 2021-06-08 | Boomcloud 360, Inc. | Subband spatial and crosstalk processing using spectrally orthogonal audio components |
| US11533560B2 (en) | 2019-11-15 | 2022-12-20 | Boomcloud 360 Inc. | Dynamic rendering device metadata-informed audio enhancement system |
| KR102985546B1 (ko) | 2019-12-31 | 2026-07-01 | 하만인터내셔날인더스트리스인코포레이티드 | 보이지 않는 스피커를 이용한 가상 음향 효과를 위한 시스템 및 방법 |
| US11246001B2 (en) * | 2020-04-23 | 2022-02-08 | Thx Ltd. | Acoustic crosstalk cancellation and virtual speakers techniques |
| KR20250052461A (ko) | 2021-07-08 | 2025-04-18 | 붐클라우드 360 인코포레이티드 | 올패스 필터 네트워크를 사용한 고도 지각적 큐의 무색 생성 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1578854A (en) | 1976-02-27 | 1980-11-12 | Victor Company Of Japan | Stereophonic sound reproduction system |
| SU1626410A1 (ru) | 1988-10-17 | 1991-02-07 | Предприятие П/Я М-5653 | Устройство приема сигналов с частотным разделением каналов |
| WO1992016996A1 (en) * | 1991-03-20 | 1992-10-01 | British Broadcasting Corporation | Dynamic range compression |
| US20030169886A1 (en) | 1995-01-10 | 2003-09-11 | Boyce Roger W. | Method and apparatus for encoding mixed surround sound into a single stereo pair |
| US5912976A (en) * | 1996-11-07 | 1999-06-15 | Srs Labs, Inc. | Multi-channel audio enhancement system for use in recording and playback and methods for providing same |
| US6449368B1 (en) * | 1997-03-14 | 2002-09-10 | Dolby Laboratories Licensing Corporation | Multidirectional audio decoding |
| US6175631B1 (en) | 1999-07-09 | 2001-01-16 | Stephen A. Davis | Method and apparatus for decorrelating audio signals |
| 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 |
| US7551745B2 (en) * | 2003-04-24 | 2009-06-23 | Dolby Laboratories Licensing Corporation | Volume and compression control in movie theaters |
| RU2347282C2 (ru) | 2003-07-07 | 2009-02-20 | Конинклейке Филипс Электроникс Н.В. | Система и способ обработки звукового сигнала |
| US6937737B2 (en) * | 2003-10-27 | 2005-08-30 | Britannia Investment Corporation | Multi-channel audio surround sound from front located loudspeakers |
| KR100608024B1 (ko) | 2004-11-26 | 2006-08-02 | 삼성전자주식회사 | 다중 채널 오디오 입력 신호를 2채널 출력으로 재생하기위한 장치 및 방법과 이를 수행하기 위한 프로그램이기록된 기록매체 |
| RU2407226C2 (ru) | 2006-03-24 | 2010-12-20 | Долби Свидн Аб | Генерация пространственных сигналов понижающего микширования из параметрических представлений мультиканальных сигналов |
-
2009
- 2009-01-12 UA UAA201108880A patent/UA101542C2/ru unknown
- 2009-12-01 CA CA2744459A patent/CA2744459C/en active Active
- 2009-12-01 WO PCT/US2009/066230 patent/WO2010074893A1/en not_active Ceased
- 2009-12-01 CN CN200980150060.9A patent/CN102246544B/zh active Active
- 2009-12-01 EP EP09796876.2A patent/EP2374288B1/en active Active
- 2009-12-01 MY MYPI2011002734A patent/MY180232A/en unknown
- 2009-12-01 SG SG2011035466A patent/SG171324A1/en unknown
- 2009-12-01 US US13/132,570 patent/US8867750B2/en active Active
- 2009-12-01 BR BRPI0923440-3A patent/BRPI0923440B1/pt active IP Right Grant
- 2009-12-01 RU RU2011129155/08A patent/RU2491764C2/ru active
- 2009-12-01 AU AU2009330534A patent/AU2009330534B2/en active Active
-
2011
- 2011-05-15 IL IL212895A patent/IL212895A0/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| RU2011129155A (ru) | 2013-01-20 |
| AU2009330534B2 (en) | 2014-07-17 |
| RU2491764C2 (ru) | 2013-08-27 |
| UA101542C2 (ru) | 2013-04-10 |
| BRPI0923440B1 (pt) | 2021-02-02 |
| CA2744459C (en) | 2016-06-14 |
| AU2009330534A1 (en) | 2011-10-27 |
| EP2374288A1 (en) | 2011-10-12 |
| EP2374288B1 (en) | 2018-02-14 |
| WO2010074893A1 (en) | 2010-07-01 |
| SG171324A1 (en) | 2011-07-28 |
| MY180232A (en) | 2020-11-25 |
| CA2744459A1 (en) | 2010-07-01 |
| CN102246544B (zh) | 2015-05-13 |
| US20110243338A1 (en) | 2011-10-06 |
| BRPI0923440A8 (pt) | 2017-09-12 |
| CN102246544A (zh) | 2011-11-16 |
| US8867750B2 (en) | 2014-10-21 |
| IL212895A0 (en) | 2011-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 02/02/2021, OBSERVADAS AS CONDICOES LEGAIS. |