DE2711299C2 - - Google Patents

Info

Publication number
DE2711299C2
DE2711299C2 DE2711299A DE2711299A DE2711299C2 DE 2711299 C2 DE2711299 C2 DE 2711299C2 DE 2711299 A DE2711299 A DE 2711299A DE 2711299 A DE2711299 A DE 2711299A DE 2711299 C2 DE2711299 C2 DE 2711299C2
Authority
DE
Germany
Prior art keywords
gain
signals
phase
transmission system
amplitude 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
Application number
DE2711299A
Other languages
German (de)
English (en)
Other versions
DE2711299A1 (de
Inventor
Michael Anthony Oxford Gb Gerzon
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of DE2711299A1 publication Critical patent/DE2711299A1/de
Application granted granted Critical
Publication of DE2711299C2 publication Critical patent/DE2711299C2/de
Granted 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)
DE19772711299 1976-03-15 1977-03-15 Tonwiedergabesystem Granted DE2711299A1 (de)

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 (2)

Publication Number Publication Date
DE2711299A1 DE2711299A1 (de) 1977-09-22
DE2711299C2 true DE2711299C2 (en, 2012) 1988-09-15

Family

ID=26237664

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772711299 Granted DE2711299A1 (de) 1976-03-15 1977-03-15 Tonwiedergabesystem

Country Status (8)

Country Link
US (1) US4095049A (en, 2012)
JP (1) JPS52134701A (en, 2012)
CA (1) CA1061721A (en, 2012)
CH (1) CH633400A5 (en, 2012)
DE (1) DE2711299A1 (en, 2012)
DK (1) DK109277A (en, 2012)
FR (1) FR2345047A1 (en, 2012)
NL (1) NL7702790A (en, 2012)

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
US4815132A (en) * 1985-08-30 1989-03-21 Kabushiki Kaisha Toshiba Stereophonic voice signal transmission system
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
RU2396608C2 (ru) * 2004-04-05 2010-08-10 Конинклейке Филипс Электроникс Н.В. Способ, устройство, кодирующее устройство, декодирующее устройство и аудиосистема
US20080144864A1 (en) * 2004-05-25 2008-06-19 Huonlabs Pty Ltd Audio Apparatus And Method
CN101518101B (zh) * 2006-09-25 2012-04-18 杜比实验室特许公司 用于增加表示声场的音频信号的空间分辨率的方法和设备
KR102803833B1 (ko) 2010-03-26 2025-05-08 돌비 인터네셔널 에이비 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치
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
US3856992A (en) * 1971-10-06 1974-12-24 D Cooper Multidirectional sound reproduction
US3906156A (en) * 1971-10-06 1975-09-16 Duane H Cooper Signal matrixing for directional reproduction of sound
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
CH633400A5 (fr) 1982-11-30
DK109277A (da) 1977-09-16
CA1061721A (en) 1979-09-04
FR2345047A1 (fr) 1977-10-14
JPS52134701A (en) 1977-11-11
NL7702790A (nl) 1977-09-19
US4095049A (en) 1978-06-13
FR2345047B1 (en, 2012) 1984-04-27
JPH0520960B2 (en, 2012) 1993-03-22
DE2711299A1 (de) 1977-09-22

Similar Documents

Publication Publication Date Title
DE69420982T2 (de) Schaltung für mehrdimensionalen Schall
DE69839329T2 (de) Raumklangkanal, Kodierung und Dekodierung
DE69210689T2 (de) Kodierer/dekodierer für mehrdimensionale schallfelder
DE2512287C2 (en, 2012)
DE2720984C3 (de) Elektrische Anordnung für die Steigerung des Raumeffekts bei einer Tonwiedergabe
DE69433258T2 (de) Raumklangsignalverarbeitungsvorrichtung
DE2124991C3 (en, 2012)
DE2264023C3 (de) Dekodierer für ein SQ-Vierkanal-Matrix-System
DE2711299C2 (en, 2012)
DE2317124A1 (de) Vorrichtung zur erzeugung von ein raeumliches schallfeld darstellenden signalen
DE2249039C2 (de) Verfahren zur Aufnahme und Wiedergabe von richtungsbezogener Schallinformation
DE2209424C3 (de) Codiermatrix zur Codierung von vier Signalen in zwei Signalgemische
DE19645867A1 (de) Verfahren zur mehrkanaligen Tonübertragung
DE2230842A1 (de) Einrichtung zur Wiedergabe quadrophonischen Tons
DE2322145C2 (de) Tonsignalumsetzer
DE2317123A1 (de) Vorrichtung zur stereophonischen raumklanguebertragung
DE2204668C2 (de) Tonübertragungssystem
DE2649525C2 (en, 2012)
DE2238346A1 (de) Multisignal-uebertragungseinrichtung
DE2129673C3 (de) Mehrrichtungs-Tonsystem, Dekodierer und Kodierer hierfür
DE2411007A1 (de) Matrix-vierkanaldekodiervorrichtung
DE2205465A1 (de) Signalübertragungssystem
DE2327725C2 (de) Mehrkanal-Tonsignalübertragungssystem und Decodierer hierzu
DE2322173A1 (de) Schneid- und aufzeichenanordnung fuer mehrkanalschallplatten
DE2422424C2 (de) Verfahren zur Aufzeichnung von vier Kanalsignalen auf den beiden Seitenwänden der Rille einer Schallplatte

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: HERRMANN-TRENTEPOHL, W., DIPL.-ING., PAT.-ANW., 4690 HERNE