JPS4956504A - - Google Patents

Info

Publication number
JPS4956504A
JPS4956504A JP48051040A JP5104073A JPS4956504A JP S4956504 A JPS4956504 A JP S4956504A JP 48051040 A JP48051040 A JP 48051040A JP 5104073 A JP5104073 A JP 5104073A JP S4956504 A JPS4956504 A JP S4956504A
Authority
JP
Japan
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.)
Pending
Application number
JP48051040A
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 filed Critical
Publication of JPS4956504A publication Critical patent/JPS4956504A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
JP48051040A 1972-05-09 1973-05-08 Pending JPS4956504A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/251,836 US4316058A (en) 1972-05-09 1972-05-09 Sound field transmission system surrounding a listener

Publications (1)

Publication Number Publication Date
JPS4956504A true JPS4956504A (ja) 1974-06-01

Family

ID=22953617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48051040A Pending JPS4956504A (ja) 1972-05-09 1973-05-08

Country Status (15)

Country Link
US (1) US4316058A (ja)
JP (1) JPS4956504A (ja)
AT (1) AT348270B (ja)
BR (1) BR7303333D0 (ja)
CA (1) CA984301A (ja)
CH (1) CH595726A5 (ja)
DD (1) DD104674A5 (ja)
DE (1) DE2317123A1 (ja)
DK (1) DK143629C (ja)
ES (1) ES414569A1 (ja)
FR (1) FR2183976B1 (ja)
GB (1) GB1439174A (ja)
IT (1) IT984180B (ja)
NL (1) NL7306406A (ja)
SE (1) SE385426B (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464745A (en) * 1981-11-27 1984-08-07 Sanders Associates, Inc. High dynamic range multiplexing system
US4752961A (en) * 1985-09-23 1988-06-21 Northern Telecom Limited Microphone arrangement
US4748669A (en) * 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system
US5625696A (en) * 1990-06-08 1997-04-29 Harman International Industries, Inc. Six-axis surround sound processor with improved matrix and cancellation control
FR2682249B1 (fr) * 1991-10-08 1993-12-03 Thomson Csf Procede de demodulation numerique d'un signal composite.
US5717765A (en) * 1994-03-07 1998-02-10 Sony Corporation Theater sound system with upper surround channels
US5661808A (en) 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
US7031474B1 (en) 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system
DE102021203639A1 (de) * 2021-04-13 2022-10-13 Kaetel Systems Gmbh Lautsprechersystem, Verfahren zum Herstellen des Lautsprechersystems, Beschallungsanlage für einen Vorführbereich und Vorführbereich

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5032002A (ja) * 1973-06-01 1975-03-28

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257511A (en) * 1960-04-18 1966-06-21 Zenith Radio Corp Stereo em transmission system
US3375329A (en) * 1967-05-02 1968-03-26 Francis E Ryan Monaxial quadraphonic recording system
US3708623A (en) * 1970-04-29 1973-01-02 Quadracast Syst Inc Compatible four channel fm system
US3679832A (en) * 1971-03-23 1972-07-25 Bell Telephone Labor Inc Three-channel fm stereo transmission
FR2136450A5 (ja) * 1971-04-15 1972-12-22 Matsushita Electric Ind Co Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5032002A (ja) * 1973-06-01 1975-03-28

Also Published As

Publication number Publication date
SE385426B (sv) 1976-06-28
DD104674A5 (ja) 1974-03-12
ES414569A1 (es) 1976-02-01
DE2317123A1 (de) 1973-11-22
US4316058A (en) 1982-02-16
GB1439174A (en) 1976-06-09
BR7303333D0 (pt) 1974-07-11
AT348270B (de) 1979-02-12
NL7306406A (ja) 1973-11-13
DK143629B (da) 1981-09-14
ATA410373A (de) 1978-06-15
DK143629C (da) 1982-02-08
IT984180B (it) 1974-11-20
FR2183976A1 (ja) 1973-12-21
FR2183976B1 (ja) 1977-12-30
AU5511573A (en) 1974-11-07
CA984301A (en) 1976-02-24
CH595726A5 (ja) 1978-02-28

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