JPH0520960B2 - - Google Patents

Info

Publication number
JPH0520960B2
JPH0520960B2 JP52029126A JP2912677A JPH0520960B2 JP H0520960 B2 JPH0520960 B2 JP H0520960B2 JP 52029126 A JP52029126 A JP 52029126A JP 2912677 A JP2912677 A JP 2912677A JP H0520960 B2 JPH0520960 B2 JP H0520960B2
Authority
JP
Japan
Prior art keywords
signal
gain
phase
signals
transmission channel
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 - Lifetime
Application number
JP52029126A
Other languages
English (en)
Japanese (ja)
Other versions
JPS52134701A (en
Inventor
Ansonii Jaazon Maikeru
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.)
BURITEITSUSHU TEKUNOROJII GURUUPU Ltd
Original Assignee
BURITEITSUSHU TEKUNOROJII GURUUPU Ltd
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 BURITEITSUSHU TEKUNOROJII GURUUPU Ltd filed Critical BURITEITSUSHU TEKUNOROJII GURUUPU Ltd
Publication of JPS52134701A publication Critical patent/JPS52134701A/ja
Publication of JPH0520960B2 publication Critical patent/JPH0520960B2/ja
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)
JP2912677A 1976-03-15 1977-03-15 Device for transmitting or recording directional sound Granted JPS52134701A (en)

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
JPS52134701A JPS52134701A (en) 1977-11-11
JPH0520960B2 true JPH0520960B2 (OSRAM) 1993-03-22

Family

ID=26237664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2912677A Granted JPS52134701A (en) 1976-03-15 1977-03-15 Device for transmitting or recording directional sound

Country Status (8)

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

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
CA1268546C (en) * 1985-08-30 1990-05-01 STEREO VOICE SIGNAL TRANSMISSION SYSTEM
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company 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
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
EP1735779B1 (en) * 2004-04-05 2013-06-19 Koninklijke Philips Electronics N.V. Encoder apparatus, decoder apparatus, methods thereof and associated audio system
EP1749420A4 (en) * 2004-05-25 2008-10-15 Huonlabs Pty Ltd AUDIO APPARATUS AND METHOD
US8103006B2 (en) 2006-09-25 2012-01-24 Dolby Laboratories Licensing Corporation Spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms
PT2553947E (pt) * 2010-03-26 2014-06-24 Thomson Licensing Método e dispositivo para descodificar uma representação de um campo sonoro de áudio para a reprodução de áudio
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
DE2711299A1 (de) 1977-09-22
US4095049A (en) 1978-06-13
CA1061721A (en) 1979-09-04
FR2345047B1 (OSRAM) 1984-04-27
NL7702790A (nl) 1977-09-19
DK109277A (da) 1977-09-16
FR2345047A1 (fr) 1977-10-14
CH633400A5 (fr) 1982-11-30
JPS52134701A (en) 1977-11-11
DE2711299C2 (OSRAM) 1988-09-15

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