BRPI0923174A2 - método e aparelho para aplicar reverberação a um sinal de áudio multicanal utilizando parâmetros de indicação espacial - Google Patents

método e aparelho para aplicar reverberação a um sinal de áudio multicanal utilizando parâmetros de indicação espacial

Info

Publication number
BRPI0923174A2
BRPI0923174A2 BRPI0923174A BRPI0923174A BRPI0923174A2 BR PI0923174 A2 BRPI0923174 A2 BR PI0923174A2 BR PI0923174 A BRPI0923174 A BR PI0923174A BR PI0923174 A BRPI0923174 A BR PI0923174A BR PI0923174 A2 BRPI0923174 A2 BR PI0923174A2
Authority
BR
Brazil
Prior art keywords
audio signal
multichannel audio
indication parameters
spatial indication
applying reverberation
Prior art date
Application number
BRPI0923174A
Other languages
English (en)
Inventor
Jonas Engdegard
Original Assignee
Dolby Int Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41796192&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0923174(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of BRPI0923174A2 publication Critical patent/BRPI0923174A2/pt
Publication of BRPI0923174B1 publication Critical patent/BRPI0923174B1/pt

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
BRPI0923174-9A 2008-12-19 2009-12-16 Método e reverberador para aplicar reverberação a um sinal de entrada de áudio com downmixing de mcanais BRPI0923174B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE0802629 2008-12-19
SE0802629-6 2008-12-19
US17285509P 2009-04-27 2009-04-27
US61/172,855 2009-04-27
PCT/EP2009/067350 WO2010070016A1 (en) 2008-12-19 2009-12-16 Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters

Publications (2)

Publication Number Publication Date
BRPI0923174A2 true BRPI0923174A2 (pt) 2016-02-16
BRPI0923174B1 BRPI0923174B1 (pt) 2020-10-06

Family

ID=41796192

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0923174-9A BRPI0923174B1 (pt) 2008-12-19 2009-12-16 Método e reverberador para aplicar reverberação a um sinal de entrada de áudio com downmixing de mcanais

Country Status (8)

Country Link
US (1) US8965000B2 (pt)
EP (1) EP2377123B1 (pt)
JP (1) JP5524237B2 (pt)
KR (1) KR101342425B1 (pt)
CN (1) CN102257562B (pt)
BR (1) BRPI0923174B1 (pt)
RU (1) RU2509442C2 (pt)
WO (1) WO2010070016A1 (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102696070B (zh) 2010-01-06 2015-05-20 Lg电子株式会社 处理音频信号的设备及其方法
JP5802753B2 (ja) * 2010-09-06 2015-11-04 ドルビー・インターナショナル・アクチボラゲットＤｏｌｂｙ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｂ マルチチャンネルオーディオ再生のためのアップミキシング方法及びシステム
EP2541542A1 (en) * 2011-06-27 2013-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for determining a measure for a perceived level of reverberation, audio processor and method for processing a signal
RU2618383C2 (ru) * 2011-11-01 2017-05-03 Конинклейке Филипс Н.В. Кодирование и декодирование аудиообъектов
US9131313B1 (en) * 2012-02-07 2015-09-08 Star Co. System and method for audio reproduction
US9602927B2 (en) * 2012-02-13 2017-03-21 Conexant Systems, Inc. Speaker and room virtualization using headphones
EP2637427A1 (en) 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
US9478224B2 (en) * 2013-04-05 2016-10-25 Dolby International Ab Audio processing system
WO2014171791A1 (ko) 2013-04-19 2014-10-23 한국전자통신연구원 다채널 오디오 신호 처리 장치 및 방법
US10075795B2 (en) 2013-04-19 2018-09-11 Electronics And Telecommunications Research Institute Apparatus and method for processing multi-channel audio signal
US9420393B2 (en) 2013-05-29 2016-08-16 Qualcomm Incorporated Binaural rendering of spherical harmonic coefficients
US9319819B2 (en) 2013-07-25 2016-04-19 Etri Binaural rendering method and apparatus for decoding multi channel audio
TWI634547B (zh) 2013-09-12 2018-09-01 瑞典商杜比國際公司 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品
US10204630B2 (en) 2013-10-22 2019-02-12 Electronics And Telecommunications Research Instit Ute Method for generating filter for audio signal and parameterizing device therefor
CN107770718B (zh) * 2014-01-03 2020-01-17 杜比实验室特许公司 响应于多通道音频通过使用至少一个反馈延迟网络产生双耳音频
CN104768121A (zh) 2014-01-03 2015-07-08 杜比实验室特许公司 响应于多通道音频通过使用至少一个反馈延迟网络产生双耳音频
RU2646320C1 (ru) 2014-04-11 2018-03-02 Самсунг Электроникс Ко., Лтд. Способ и устройство для рендеринга звукового сигнала и компьютерно-читаемый носитель информации
EP3149971B1 (en) * 2014-05-30 2018-08-29 Qualcomm Incorporated Obtaining sparseness information for higher order ambisonic audio renderers
WO2016009863A1 (ja) * 2014-07-18 2016-01-21 ソニー株式会社 サーバ装置、およびサーバ装置の情報処理方法、並びにプログラム
WO2016148553A2 (ko) * 2015-03-19 2016-09-22 (주)소닉티어랩 3차원 사운드를 편집 및 제공하는 방법 및 장치
CA3219512A1 (en) 2015-08-25 2017-03-02 Dolby International Ab Audio encoding and decoding using presentation transform parameters
CN105916095B (zh) * 2016-05-31 2017-08-04 音曼（北京）科技有限公司 反馈延迟网络音色优化的方法
CN108665902B (zh) * 2017-03-31 2020-12-01 华为技术有限公司 多声道信号的编解码方法和编解码器
CN108694955B (zh) * 2017-04-12 2020-11-17 华为技术有限公司 多声道信号的编解码方法和编解码器
CN107231599A (zh) * 2017-06-08 2017-10-03 北京奇艺世纪科技有限公司 一种3d声场构建方法和vr装置
EP3518556A1 (en) 2018-01-24 2019-07-31 L-Acoustics UK Limited Method and system for applying time-based effects in a multi-channel audio reproduction system
US11544032B2 (en) * 2019-01-24 2023-01-03 Dolby Laboratories Licensing Corporation Audio connection and transmission device

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2038704C1 (ru) 1993-08-12 1995-06-27 Владимир Анатольевич Ефремов Пространственная звуковоспроизводящая система
JP4304401B2 (ja) 2000-06-07 2009-07-29 ソニー株式会社 マルチチャンネルオーディオ再生装置
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US7437299B2 (en) 2002-04-10 2008-10-14 Koninklijke Philips Electronics N.V. Coding of stereo signals
SE0301273D0 (sv) 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
US7949141B2 (en) * 2003-11-12 2011-05-24 Dolby Laboratories Licensing Corporation Processing audio signals with head related transfer function filters and a reverberator
WO2006003957A1 (ja) 2004-06-30 2006-01-12 Pioneer Corporation 残響調整装置、残響調整方法、残響調整プログラムおよびそれを記録した記録媒体、並びに、音場補正システム
WO2006003891A1 (ja) 2004-07-02 2006-01-12 Matsushita Electric Industrial Co., Ltd. 音声信号復号化装置及び音声信号符号化装置
US8204261B2 (en) 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US20070055510A1 (en) 2005-07-19 2007-03-08 Johannes Hilpert Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding
WO2007031905A1 (en) 2005-09-13 2007-03-22 Koninklijke Philips Electronics N.V. Method of and device for generating and processing parameters representing hrtfs
KR101512995B1 (ko) * 2005-09-13 2015-04-17 코닌클리케 필립스 엔.브이. 공간 디코더 유닛, 공간 디코더 장치, 오디오 시스템, 한 쌍의 바이노럴 출력 채널들을 생성하는 방법
US7917561B2 (en) 2005-09-16 2011-03-29 Coding Technologies Ab Partially complex modulated filter bank
DE602007004451D1 (de) 2006-02-21 2010-03-11 Koninkl Philips Electronics Nv Audiokodierung und audiodekodierung
KR100773560B1 (ko) * 2006-03-06 2007-11-05 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
KR100754220B1 (ko) 2006-03-07 2007-09-03 삼성전자주식회사 Ｍｐｅｇ 서라운드를 위한 바이노럴 디코더 및 그 디코딩방법
WO2007106553A1 (en) 2006-03-15 2007-09-20 Dolby Laboratories Licensing Corporation Binaural rendering using subband filters
CN101406074B (zh) 2006-03-24 2012-07-18 杜比国际公司 解码器及相应方法、双耳解码器、包括该解码器的接收机或音频播放器及相应方法
US8027479B2 (en) * 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
JP2007336080A (ja) 2006-06-13 2007-12-27 Clarion Co Ltd 音響補正装置
KR100763920B1 (ko) 2006-08-09 2007-10-05 삼성전자주식회사 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2채널의 바이노럴 신호로 복호화하는 방법 및 장치
JP4850628B2 (ja) * 2006-08-28 2012-01-11 キヤノン株式会社 記録装置
US8670570B2 (en) * 2006-11-07 2014-03-11 Stmicroelectronics Asia Pacific Pte., Ltd. Environmental effects generator for digital audio signals
US8363843B2 (en) * 2007-03-01 2013-01-29 Apple Inc. Methods, modules, and computer-readable recording media for providing a multi-channel convolution reverb
DE102007018032B4 (de) 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
JP2008301427A (ja) 2007-06-04 2008-12-11 Onkyo Corp マルチチャンネル音声再生装置

Also Published As

Publication number Publication date
CN102257562A (zh) 2011-11-23
JP2012513138A (ja) 2012-06-07
RU2509442C2 (ru) 2014-03-10
US8965000B2 (en) 2015-02-24
KR20110122667A (ko) 2011-11-10
WO2010070016A1 (en) 2010-06-24
BRPI0923174B1 (pt) 2020-10-06
EP2377123A1 (en) 2011-10-19
KR101342425B1 (ko) 2013-12-17
CN102257562B (zh) 2013-09-11
RU2011129154A (ru) 2013-01-27
JP5524237B2 (ja) 2014-06-18
EP2377123B1 (en) 2014-10-29
US20110261966A1 (en) 2011-10-27

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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 06/10/2020, OBSERVADAS AS CONDICOES LEGAIS.

B25G Requested change of headquarter approved

Owner name: DOLBY INTERNATIONAL AB (IE)