BRPI0923440A8 - virtualizador e método de som surround com compressão de faixa dinâmica - Google Patents
virtualizador e método de som surround com compressão de faixa dinâmicaInfo
- Publication number
- BRPI0923440A8 BRPI0923440A8 BRPI0923440A BRPI0923440A BRPI0923440A8 BR PI0923440 A8 BRPI0923440 A8 BR PI0923440A8 BR PI0923440 A BRPI0923440 A BR PI0923440A BR PI0923440 A BRPI0923440 A BR PI0923440A BR PI0923440 A8 BRPI0923440 A8 BR PI0923440A8
- Authority
- BR
- Brazil
- Prior art keywords
- virtualizer
- dynamic range
- surround sound
- 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 BRPI0923440A2 (pt) | 2016-01-12 |
| BRPI0923440A8 true 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 |
|---|---|---|---|---|
| WO2009086174A1 (en) | 2007-12-21 | 2009-07-09 | Srs Labs, Inc. | System for adjusting perceived loudness of audio signals |
| US8391498B2 (en) * | 2008-02-14 | 2013-03-05 | Dolby Laboratories Licensing Corporation | Stereophonic widening |
| 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 |
| US9622011B2 (en) | 2012-08-31 | 2017-04-11 | Dolby Laboratories Licensing Corporation | Virtual rendering of object-based audio |
| JP6079119B2 (ja) | 2012-10-10 | 2017-02-15 | ティアック株式会社 | 録音装置 |
| JP6056356B2 (ja) | 2012-10-10 | 2017-01-11 | 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 |
| WO2015017235A1 (en) * | 2013-07-31 | 2015-02-05 | Dolby Laboratories Licensing Corporation | Processing spatially diffuse or large audio objects |
| 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 |
| EP3114859B1 (en) | 2014-03-06 | 2018-05-09 | Dolby Laboratories Licensing Corporation | Structural modeling of the head related impulse response |
| EP3143779B1 (en) | 2014-05-13 | 2020-10-07 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for edge fading amplitude panning |
| 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 |
| CN108293165A (zh) | 2015-10-27 | 2018-07-17 | 无比的优声音科技公司 | 增强音场的装置和方法 |
| WO2017079334A1 (en) | 2015-11-03 | 2017-05-11 | Dolby Laboratories Licensing Corporation | Content-adaptive surround sound virtualization |
| AU2016353143A1 (en) * | 2015-11-10 | 2018-05-17 | Lee F. Bender | Digital audio processing systems and methods |
| WO2017192972A1 (en) | 2016-05-06 | 2017-11-09 | Dts, Inc. | Immersive audio reproduction systems |
| CN110326310B (zh) * | 2017-01-13 | 2020-12-29 | 杜比实验室特许公司 | 串扰消除的动态均衡 |
| 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 |
| US11616482B2 (en) | 2018-06-22 | 2023-03-28 | Dolby Laboratories Licensing Corporation | Multichannel audio enhancement, decoding, and rendering in response to feedback |
| 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 |
| WO2021138421A1 (en) * | 2019-12-31 | 2021-07-08 | Harman International Industries, Incorporated | System and method for virtual sound effect with invisible loudspeaker(s) |
| US11246001B2 (en) * | 2020-04-23 | 2022-02-08 | Thx Ltd. | Acoustic crosstalk cancellation and virtual speakers techniques |
| US12363499B2 (en) | 2021-07-08 | 2025-07-15 | Boomcloud 360 Inc. | Colorless generation of elevation perceptual cues using all-pass filter networks |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4118599A (en) | 1976-02-27 | 1978-10-03 | Victor Company Of Japan, Limited | Stereophonic sound reproduction system |
| SU1626410A1 (ru) * | 1988-10-17 | 1991-02-07 | Предприятие П/Я М-5653 | Устройство приема сигналов с частотным разделением каналов |
| JPH05508760A (ja) * | 1991-03-20 | 1993-12-02 | ブリティッシュ・ブロードキャスティング・コーポレーション | ダイナミックレンジ圧縮 |
| 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 |
| US20070136050A1 (en) | 2003-07-07 | 2007-06-14 | Koninklijke Philips Electronics N.V. | System and method for audio signal processing |
| 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 |
| US8175280B2 (en) * | 2006-03-24 | 2012-05-08 | Dolby International Ab | Generation of spatial downmixes from parametric representations of multi channel signals |
-
2009
- 2009-01-12 UA UAA201108880A patent/UA101542C2/ru unknown
- 2009-12-01 EP EP09796876.2A patent/EP2374288B1/en active Active
- 2009-12-01 BR BRPI0923440-3A patent/BRPI0923440B1/pt active IP Right Grant
- 2009-12-01 CA CA2744459A patent/CA2744459C/en active Active
- 2009-12-01 RU RU2011129155/08A patent/RU2491764C2/ru active
- 2009-12-01 CN CN200980150060.9A patent/CN102246544B/zh active Active
- 2009-12-01 WO PCT/US2009/066230 patent/WO2010074893A1/en not_active Ceased
- 2009-12-01 AU AU2009330534A patent/AU2009330534B2/en active Active
- 2009-12-01 US US13/132,570 patent/US8867750B2/en active Active
- 2009-12-01 SG SG2011035466A patent/SG171324A1/en unknown
- 2009-12-01 MY MYPI2011002734A patent/MY180232A/en unknown
-
2011
- 2011-05-15 IL IL212895A patent/IL212895A0/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| IL212895A0 (en) | 2011-07-31 |
| CA2744459A1 (en) | 2010-07-01 |
| US8867750B2 (en) | 2014-10-21 |
| WO2010074893A1 (en) | 2010-07-01 |
| US20110243338A1 (en) | 2011-10-06 |
| CN102246544A (zh) | 2011-11-16 |
| SG171324A1 (en) | 2011-07-28 |
| MY180232A (en) | 2020-11-25 |
| CA2744459C (en) | 2016-06-14 |
| AU2009330534B2 (en) | 2014-07-17 |
| EP2374288B1 (en) | 2018-02-14 |
| RU2491764C2 (ru) | 2013-08-27 |
| AU2009330534A1 (en) | 2011-10-27 |
| RU2011129155A (ru) | 2013-01-20 |
| EP2374288A1 (en) | 2011-10-12 |
| CN102246544B (zh) | 2015-05-13 |
| BRPI0923440B1 (pt) | 2021-02-02 |
| BRPI0923440A2 (pt) | 2016-01-12 |
| UA101542C2 (ru) | 2013-04-10 |
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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. |