NL192656B - Variabele matrix-decoder. - Google Patents

Variabele matrix-decoder.

Info

Publication number
NL192656B
NL192656B NL8600595A NL8600595A NL192656B NL 192656 B NL192656 B NL 192656B NL 8600595 A NL8600595 A NL 8600595A NL 8600595 A NL8600595 A NL 8600595A NL 192656 B NL192656 B NL 192656B
Authority
NL
Netherlands
Prior art keywords
variable matrix
matrix decoder
decoder
variable
matrix
Prior art date
Application number
NL8600595A
Other languages
English (en)
Other versions
NL8600595A (nl
NL192656C (nl
Original Assignee
Dolby Lab 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27108182&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL192656(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of NL8600595A publication Critical patent/NL8600595A/nl
Publication of NL192656B publication Critical patent/NL192656B/nl
Application granted granted Critical
Publication of NL192656C publication Critical patent/NL192656C/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
NL8600595A 1985-03-07 1986-03-07 Variabele matrix-decoder. NL192656C (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US70898285A 1985-03-07 1985-03-07
US70898285 1985-03-07
US83312086 1986-02-26
US06/833,120 US4799260A (en) 1985-03-07 1986-02-26 Variable matrix decoder

Publications (3)

Publication Number Publication Date
NL8600595A NL8600595A (nl) 1986-10-01
NL192656B true NL192656B (nl) 1997-07-01
NL192656C NL192656C (nl) 1997-11-04

Family

ID=27108182

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8600595A NL192656C (nl) 1985-03-07 1986-03-07 Variabele matrix-decoder.

Country Status (10)

Country Link
US (1) US4799260A (nl)
JP (1) JP2824642B2 (nl)
CN (1) CN1013822B (nl)
AU (2) AU594939B2 (nl)
CA (1) CA1284112C (nl)
DE (1) DE3607610C2 (nl)
FR (1) FR2578707B1 (nl)
GB (2) GB2174275B (nl)
IT (1) IT1207068B (nl)
NL (1) NL192656C (nl)

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US7171542B1 (en) 2000-06-19 2007-01-30 Silicon Labs Cp, Inc. Reconfigurable interface for coupling functional input/output blocks to limited number of i/o pins
WO2002007481A2 (en) * 2000-07-19 2002-01-24 Koninklijke Philips Electronics N.V. Multi-channel stereo converter for deriving a stereo surround and/or audio centre signal
MXPA03001852A (es) * 2000-08-31 2003-09-10 Dolby Lab Licensing Corp Metodo para aparato para descodificacion de matriz de audio.
US7660424B2 (en) * 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
US6804565B2 (en) * 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
US7447321B2 (en) 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
US7428440B2 (en) * 2002-04-23 2008-09-23 Realnetworks, Inc. Method and apparatus for preserving matrix surround information in encoded audio/video
AU2003265935A1 (en) * 2002-05-03 2003-11-17 Harman International Industries, Incorporated Sound detection and localization system
US7391869B2 (en) * 2002-05-03 2008-06-24 Harman International Industries, Incorporated Base management systems
US7542815B1 (en) 2003-09-04 2009-06-02 Akita Blue, Inc. Extraction of left/center/right information from two-channel stereo sources
US20090299756A1 (en) * 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
US8983834B2 (en) 2004-03-01 2015-03-17 Dolby Laboratories Licensing Corporation Multichannel audio coding
WO2007109338A1 (en) * 2006-03-21 2007-09-27 Dolby Laboratories Licensing Corporation Low bit rate audio encoding and decoding
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
SG124306A1 (en) * 2005-01-20 2006-08-30 St Microelectronics Asia A system and method for expanding multi-speaker playback
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
US7476771B2 (en) * 2005-11-01 2009-01-13 E.I. Du Pont De Nemours + Company Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof
TWI420918B (zh) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp 低複雜度音訊矩陣解碼器
KR101438389B1 (ko) 2007-11-15 2014-09-05 삼성전자주식회사 오디오 매트릭스 디코딩 방법 및 장치
KR101439205B1 (ko) * 2007-12-21 2014-09-11 삼성전자주식회사 오디오 매트릭스 인코딩 및 디코딩 방법 및 장치
WO2009128078A1 (en) * 2008-04-17 2009-10-22 Waves Audio Ltd. Nonlinear filter for separation of center sounds in stereophonic audio
CN102124516B (zh) * 2008-08-14 2012-08-29 杜比实验室特许公司 音频信号格式变换
CN104837107B (zh) 2008-12-18 2017-05-10 杜比实验室特许公司 音频通道空间转换
TWI449442B (zh) * 2009-01-14 2014-08-11 Dolby Lab Licensing Corp 用於無回授之頻域主動矩陣解碼的方法與系統
US8620006B2 (en) * 2009-05-13 2013-12-31 Bose Corporation Center channel rendering
US9357323B2 (en) 2012-05-10 2016-05-31 Google Technology Holdings LLC Method and apparatus for audio matrix decoding
AU2014413559B2 (en) * 2014-12-12 2018-10-18 Huawei Technologies Co., Ltd. A signal processing apparatus for enhancing a voice component within a multi-channel audio signal

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Also Published As

Publication number Publication date
FR2578707B1 (fr) 1992-01-03
AU594939B2 (en) 1990-03-22
GB2208780A (en) 1989-04-12
US4799260A (en) 1989-01-17
JP2824642B2 (ja) 1998-11-11
DE3607610A1 (de) 1986-09-18
IT1207068B (it) 1989-05-17
CN86102314A (zh) 1986-10-22
NL8600595A (nl) 1986-10-01
IT8619656A0 (it) 1986-03-07
GB2174275B (en) 1989-10-25
NL192656C (nl) 1997-11-04
AU5436586A (en) 1986-09-11
FR2578707A1 (fr) 1986-09-12
AU611337B2 (en) 1991-06-06
CN1013822B (zh) 1991-09-04
AU4791490A (en) 1990-05-10
GB2208780B (en) 1989-08-02
JPS61251400A (ja) 1986-11-08
GB8822178D0 (en) 1988-10-26
CA1284112C (en) 1991-05-14
GB2174275A (en) 1986-10-29
DE3607610C2 (de) 1997-04-03
GB8605378D0 (en) 1986-04-09

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

Effective date: 20060307