CA2301547C - 5-2-5 matrix encoder and decoder system - Google Patents

5-2-5 matrix encoder and decoder system Download PDF

Info

Publication number
CA2301547C
CA2301547C CA002301547A CA2301547A CA2301547C CA 2301547 C CA2301547 C CA 2301547C CA 002301547 A CA002301547 A CA 002301547A CA 2301547 A CA2301547 A CA 2301547A CA 2301547 C CA2301547 C CA 2301547C
Authority
CA
Canada
Prior art keywords
signals
decoder
center
steering
matrix
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002301547A
Other languages
English (en)
French (fr)
Other versions
CA2301547A1 (en
Inventor
David H. Griesinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman International Industries Inc
Original Assignee
Harman International Industries Inc
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 Harman International Industries Inc filed Critical Harman International Industries Inc
Priority claimed from PCT/US1998/018390 external-priority patent/WO1999012386A1/en
Publication of CA2301547A1 publication Critical patent/CA2301547A1/en
Application granted granted Critical
Publication of CA2301547C publication Critical patent/CA2301547C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
CA002301547A 1997-09-05 1998-09-03 5-2-5 matrix encoder and decoder system Expired - Fee Related CA2301547C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5816997P 1997-09-05 1997-09-05
US60/058,169 1997-09-05
PCT/US1998/018390 WO1999012386A1 (en) 1997-09-05 1998-09-03 5-2-5 matrix encoder and decoder system

Publications (2)

Publication Number Publication Date
CA2301547A1 CA2301547A1 (en) 1999-03-11
CA2301547C true CA2301547C (en) 2006-06-06

Family

ID=22015126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002301547A Expired - Fee Related CA2301547C (en) 1997-09-05 1998-09-03 5-2-5 matrix encoder and decoder system

Country Status (5)

Country Link
JP (1) JP2010178375A (ko)
KR (1) KR100454012B1 (ko)
CN (1) CN1691841B (ko)
BR (1) BR9812432A (ko)
CA (1) CA2301547C (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8693697B2 (en) * 2011-06-06 2014-04-08 Reality Ip Pty Ltd Matrix encoder with improved channel separation
CN102802111B (zh) * 2012-07-19 2017-06-09 新奥特（北京）视频技术有限公司 一种输出环绕声的方法和系统
EP2879131A1 (en) * 2013-11-27 2015-06-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder, encoder and method for informed loudness estimation in object-based audio coding systems
CN109327769B (zh) * 2018-08-24 2021-06-04 重庆清文科技有限公司 车载座椅独享声音设备
JP7451896B2 (ja) * 2019-07-16 2024-03-19 ヤマハ株式会社 音響処理装置および音響処理方法
CN118011932B (zh) * 2024-02-26 2024-10-15 重庆宁来科贸有限公司 一种选择确定式控制电路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
KR920002931A (ko) * 1990-07-31 1992-02-28 강진구 밀폐형 스크로울 압축기의 급유조절장치
JP2982627B2 (ja) * 1993-07-30 1999-11-29 日本ビクター株式会社 サラウンド信号処理装置及び映像音声再生装置
CN1045360C (zh) * 1994-08-23 1999-09-29 陈运凤 影像矩阵三维立体声录还音装置
US5638452A (en) * 1995-04-21 1997-06-10 Rocktron Corporation Expandable multi-dimensional sound circuit
US5796844A (en) * 1996-07-19 1998-08-18 Lexicon Multichannel active matrix sound reproduction with maximum lateral separation

Also Published As

Publication number Publication date
KR20010023723A (ko) 2001-03-26
CN1691841B (zh) 2010-09-29
CA2301547A1 (en) 1999-03-11
JP2010178375A (ja) 2010-08-12
CN1691841A (zh) 2005-11-02
KR100454012B1 (ko) 2004-10-26
BR9812432A (pt) 2000-09-19

Similar Documents

Publication Publication Date Title
US7386132B2 (en) 5-2-5 matrix encoder and decoder system
JP4782614B2 (ja) デコーダ
US10887715B2 (en) Audio channel spatial translation
KR100591008B1 (ko) 다지향성 오디오 디코딩
US5796844A (en) Multichannel active matrix sound reproduction with maximum lateral separation
Faller Coding of spatial audio compatible with different playback formats
US10299056B2 (en) Spatial audio enhancement processing method and apparatus
US5870480A (en) Multichannel active matrix encoder and decoder with maximum lateral separation
US6961632B2 (en) Signal processing apparatus
JP5513887B2 (ja) 多チャネル信号のためのスイートスポット操作
KR101251426B1 (ko) 디코딩 명령으로 오디오 신호를 인코딩하기 위한 장치 및방법
US8340303B2 (en) Method and apparatus to generate spatial stereo sound
JP2010154548A (ja) 低ビットレート用パラメトリック表現の生成方法
Griesinger Multichannel matrix surround decoders for two-eared listeners
JP2010178375A (ja) ５−２−５マトリックス・エンコーダおよびデコーダ・システム
JPH0965500A (ja) 音場制御装置
Griesinger Progress in 5-2-5 matrix systems
Griesinger The science of surround
US7796766B2 (en) Audio center channel phantomizer
JPH10243499A (ja) マルチチャンネル再生装置
MXPA00002235A (en) 5-2-5 matrix encoder and decoder system
CZ2000799A3 (cs) Dekodér a kodér systému pro reprodukci zvuku

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20180904