BRPI0823033A2 - Aparelho para gerar um sinal de áudio multi-canal - Google Patents

Aparelho para gerar um sinal de áudio multi-canal

Info

Publication number
BRPI0823033A2
BRPI0823033A2 BRPI0823033-1A BRPI0823033A BRPI0823033A2 BR PI0823033 A2 BRPI0823033 A2 BR PI0823033A2 BR PI0823033 A BRPI0823033 A BR PI0823033A BR PI0823033 A2 BRPI0823033 A2 BR PI0823033A2
Authority
BR
Brazil
Prior art keywords
generating
audio signal
channel audio
multi channel
signal
Prior art date
Application number
BRPI0823033-1A
Other languages
English (en)
Inventor
Andreas Walther
Oliver Hellmuth
Falko Ridderbush
Christian Stöcklmeier
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BRPI0823033A2 publication Critical patent/BRPI0823033A2/pt
Publication of BRPI0823033B1 publication Critical patent/BRPI0823033B1/pt

Links

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 
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
BRPI0823033-1A 2008-12-11 2008-12-11 aparelho para gerar um sinal de áudio multi-canal BRPI0823033B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/010553 WO2010066271A1 (en) 2008-12-11 2008-12-11 Apparatus for generating a multi-channel audio signal

Publications (2)

Publication Number Publication Date
BRPI0823033A2 true BRPI0823033A2 (pt) 2015-07-28
BRPI0823033B1 BRPI0823033B1 (pt) 2020-12-29

Family

ID=41076767

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0823033-1A BRPI0823033B1 (pt) 2008-12-11 2008-12-11 aparelho para gerar um sinal de áudio multi-canal

Country Status (12)

Country Link
US (1) US8781133B2 (pt)
EP (1) EP2359608B1 (pt)
JP (1) JP5237463B2 (pt)
KR (1) KR101271972B1 (pt)
CN (1) CN102246543B (pt)
AU (1) AU2008365129B2 (pt)
BR (1) BRPI0823033B1 (pt)
CA (1) CA2746507C (pt)
ES (1) ES2875416T3 (pt)
MX (1) MX2011006186A (pt)
RU (1) RU2498526C2 (pt)
WO (1) WO2010066271A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2360681A1 (en) * 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
CN103135147B (zh) * 2013-01-23 2015-07-29 江汉大学 一种识别雨滴谱的方法及装置
EP3053359B1 (en) * 2013-10-03 2017-08-30 Dolby Laboratories Licensing Corporation Adaptive diffuse signal generation in an upmixer
KR102231755B1 (ko) * 2013-10-25 2021-03-24 삼성전자주식회사 입체 음향 재생 방법 및 장치
EP2892250A1 (en) * 2014-01-07 2015-07-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating a plurality of audio channels
CN113611064A (zh) * 2021-08-10 2021-11-05 厦门市弘威崇安科技有限公司 一种无人值守的震动-磁-声传感器节点

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870480A (en) 1996-07-19 1999-02-09 Lexicon Multichannel active matrix encoder and decoder with maximum lateral separation
DE60028089D1 (de) 2000-02-18 2006-06-22 Bang & Olufsen As Multikanaltonwiedergabesystem für stereophonische signale
KR100909971B1 (ko) 2000-12-22 2009-07-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 다중-채널 오디오 변환기
US7257231B1 (en) 2002-06-04 2007-08-14 Creative Technology Ltd. Stream segregation for stereo signals
US6937737B2 (en) 2003-10-27 2005-08-30 Britannia Investment Corporation Multi-channel audio surround sound from front located loudspeakers
US7412380B1 (en) * 2003-12-17 2008-08-12 Creative Technology Ltd. Ambience extraction and modification for enhancement and upmix of audio signals
SE0400997D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Efficient coding of multi-channel audio
MX2007005262A (es) 2004-11-04 2007-07-09 Koninkl Philips Electronics Nv Codificacion y decodificacion de senales de audio de varios canales.
US7751572B2 (en) 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
TWI396188B (zh) * 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
AU2006340728B2 (en) * 2006-03-28 2010-08-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Enhanced method for signal shaping in multi-channel audio reconstruction
DE102006017280A1 (de) * 2006-04-12 2007-10-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Umgebungssignals
US9014377B2 (en) * 2006-05-17 2015-04-21 Creative Technology Ltd Multichannel surround format conversion and generalized upmix
US8345899B2 (en) * 2006-05-17 2013-01-01 Creative Technology Ltd Phase-amplitude matrixed surround decoder
EP2437257B1 (en) * 2006-10-16 2018-01-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Saoc to mpeg surround transcoding
DE102006050068B4 (de) * 2006-10-24 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Umgebungssignals aus einem Audiosignal, Vorrichtung und Verfahren zum Ableiten eines Mehrkanal-Audiosignals aus einem Audiosignal und Computerprogramm
KR20080058871A (ko) * 2006-12-22 2008-06-26 에스케이텔레시스 주식회사 채널 모델링 방법 및 장치
KR20080082917A (ko) * 2007-03-09 2008-09-12 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
EP2154911A1 (en) 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for determining a spatial output multi-channel audio signal

Also Published As

Publication number Publication date
EP2359608A1 (en) 2011-08-24
EP2359608B1 (en) 2021-05-05
US8781133B2 (en) 2014-07-15
RU2011126333A (ru) 2013-01-10
CN102246543B (zh) 2014-06-18
JP5237463B2 (ja) 2013-07-17
CA2746507A1 (en) 2010-06-17
ES2875416T3 (es) 2021-11-10
RU2498526C2 (ru) 2013-11-10
CN102246543A (zh) 2011-11-16
KR20110102446A (ko) 2011-09-16
AU2008365129A1 (en) 2011-07-07
WO2010066271A1 (en) 2010-06-17
JP2012511845A (ja) 2012-05-24
WO2010066271A8 (en) 2011-07-21
BRPI0823033B1 (pt) 2020-12-29
MX2011006186A (es) 2011-08-04
US20110261967A1 (en) 2011-10-27
CA2746507C (en) 2015-07-14
AU2008365129B2 (en) 2013-09-12
KR101271972B1 (ko) 2013-06-10

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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]

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