DK109277A - Lydgengivelsesanleg - Google Patents

Lydgengivelsesanleg

Info

Publication number
DK109277A
DK109277A DK109277A DK109277A DK109277A DK 109277 A DK109277 A DK 109277A DK 109277 A DK109277 A DK 109277A DK 109277 A DK109277 A DK 109277A DK 109277 A DK109277 A DK 109277A
Authority
DK
Denmark
Prior art keywords
sound reproduction
reproduction system
sound
reproduction
Prior art date
Application number
DK109277A
Other languages
English (en)
Inventor
M A Gerzon
Original Assignee
Nat Res Dev
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
Priority claimed from GB1019176A external-priority patent/GB1550628A/en
Application filed by Nat Res Dev filed Critical Nat Res Dev
Publication of DK109277A publication Critical patent/DK109277A/da

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)
DK109277A 1976-03-15 1977-03-14 Lydgengivelsesanleg DK109277A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1019176A GB1550628A (en) 1976-03-15 1976-03-15 Sound reproduction systems
GB268677 1977-01-22

Publications (1)

Publication Number Publication Date
DK109277A true DK109277A (da) 1977-09-16

Family

ID=26237664

Family Applications (1)

Application Number Title Priority Date Filing Date
DK109277A DK109277A (da) 1976-03-15 1977-03-14 Lydgengivelsesanleg

Country Status (8)

Country Link
US (1) US4095049A (da)
JP (1) JPS52134701A (da)
CA (1) CA1061721A (da)
CH (1) CH633400A5 (da)
DE (1) DE2711299A1 (da)
DK (1) DK109277A (da)
FR (1) FR2345047A1 (da)
NL (1) NL7702790A (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2073556B (en) * 1980-02-23 1984-02-22 Nat Res Dev Sound reproduction systems
US4392019A (en) * 1980-12-19 1983-07-05 Independent Broadcasting Authority Surround sound system
CA1268546A (en) * 1985-08-30 1990-05-01 Shigenobu Minami Stereophonic voice signal transmission system
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
WO2005098826A1 (en) * 2004-04-05 2005-10-20 Koninklijke Philips Electronics N.V. Method, device, encoder apparatus, decoder apparatus and audio system
EP1749420A4 (en) * 2004-05-25 2008-10-15 Huonlabs Pty Ltd AUDIO APPARATUS AND METHOD
JP4949477B2 (ja) * 2006-09-25 2012-06-06 ドルビー ラボラトリーズ ライセンシング コーポレイション 高次角度項による信号を抽出することでマルチチャンネルオーディオ再生システムの空間分解能を改善したサウンドフィールド
BR112012024528B1 (pt) * 2010-03-26 2021-05-11 Dolby International Ab método e dispositivo para decodificar uma representação para campo de som de áudio para reprodução de áudio e meio legível por computador
US9338552B2 (en) 2014-05-09 2016-05-10 Trifield Ip, Llc Coinciding low and high frequency localization panning

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369813A (en) * 1971-02-02 1974-10-09 Nat Res Dev Reproduction of sound
US3679832A (en) * 1971-03-23 1972-07-25 Bell Telephone Labor Inc Three-channel fm stereo transmission
US3906156A (en) * 1971-10-06 1975-09-16 Duane H Cooper Signal matrixing for directional reproduction of sound
US3856992A (en) * 1971-10-06 1974-12-24 D Cooper Multidirectional sound reproduction
US3814858A (en) * 1972-04-27 1974-06-04 Motorola Inc Multiplex system employing multiple quadrature subcarriers
US3824342A (en) * 1972-05-09 1974-07-16 Rca Corp Omnidirectional sound field reproducing system
GB1414166A (en) * 1972-07-28 1975-11-19 British Broadcasting Corp Quadraphonic sound transmission or recording system
DE2305868A1 (de) * 1973-02-07 1974-08-08 Inst Rundfunktechnik Gmbh Verfahren zur uebertragung quadrophoner signale ueber ukw-rundfunk
GB1494751A (en) * 1974-03-26 1977-12-14 Nat Res Dev Sound reproduction systems

Also Published As

Publication number Publication date
FR2345047B1 (da) 1984-04-27
DE2711299A1 (de) 1977-09-22
JPS52134701A (en) 1977-11-11
CH633400A5 (fr) 1982-11-30
FR2345047A1 (fr) 1977-10-14
NL7702790A (nl) 1977-09-19
DE2711299C2 (da) 1988-09-15
US4095049A (en) 1978-06-13
JPH0520960B2 (da) 1993-03-22
CA1061721A (en) 1979-09-04

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment