BRPI0923440A8 - virtualizador e método de som surround com compressão de faixa dinâmica - Google Patents

virtualizador e método de som surround com compressão de faixa dinâmica

Info

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
Application number
BRPI0923440A
Other languages
English (en)
Inventor
Phillip Brown Charles
Original Assignee
Dolby Laboratories Licensing Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of BRPI0923440A2 publication Critical patent/BRPI0923440A2/pt
Publication of BRPI0923440A8 publication Critical patent/BRPI0923440A8/pt
Publication of BRPI0923440B1 publication Critical patent/BRPI0923440B1/pt

Links

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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
BRPI0923440-3A 2008-12-15 2009-12-01 método de virtualização de som surround e sistema de virtualização de som surround BRPI0923440B1 (pt)

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 (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2232700B1 (en) 2007-12-21 2014-08-13 Dts Llc 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
EP2891336B1 (en) 2012-08-31 2017-10-04 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
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
BR112016026283B1 (pt) 2014-05-13 2022-03-22 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Aparelho, método e sistema de panning da amplitude de atenuação da banda
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
US10306392B2 (en) 2015-11-03 2019-05-28 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
EP3569000B1 (en) 2017-01-13 2023-03-29 Dolby Laboratories Licensing Corporation Dynamic equalization for cross-talk cancellation
KR20190109726A (ko) * 2017-02-17 2019-09-26 앰비디오 인코포레이티드 멀티채널 오디오 신호들을 다운믹싱하기 위한 장치 및 방법
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
US10764704B2 (en) * 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
EP3811515B1 (en) 2018-06-22 2022-07-27 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
US11533560B2 (en) 2019-11-15 2022-12-20 Boomcloud 360 Inc. Dynamic rendering device metadata-informed audio enhancement system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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
ATE356405T1 (de) 2003-07-07 2007-03-15 Koninkl Philips Electronics Nv System und verfahren zur signalverarbeitung
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

Also Published As

Publication number Publication date
EP2374288A1 (en) 2011-10-12
RU2491764C2 (ru) 2013-08-27
IL212895A0 (en) 2011-07-31
CA2744459C (en) 2016-06-14
CN102246544A (zh) 2011-11-16
CN102246544B (zh) 2015-05-13
SG171324A1 (en) 2011-07-28
UA101542C2 (ru) 2013-04-10
US8867750B2 (en) 2014-10-21
MY180232A (en) 2020-11-25
BRPI0923440A2 (pt) 2016-01-12
US20110243338A1 (en) 2011-10-06
BRPI0923440B1 (pt) 2021-02-02
EP2374288B1 (en) 2018-02-14
AU2009330534A1 (en) 2011-10-27
AU2009330534B2 (en) 2014-07-17
CA2744459A1 (en) 2010-07-01
WO2010074893A1 (en) 2010-07-01
RU2011129155A (ru) 2013-01-20

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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]

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