BE772298A - QUADRIPHONE RECORDING AND PLAYBACK SYSTEM - Google Patents

QUADRIPHONE RECORDING AND PLAYBACK SYSTEM

Info

Publication number
BE772298A
BE772298A BE772298A BE772298A BE772298A BE 772298 A BE772298 A BE 772298A BE 772298 A BE772298 A BE 772298A BE 772298 A BE772298 A BE 772298A BE 772298 A BE772298 A BE 772298A
Authority
BE
Belgium
Prior art keywords
quadriphone
recording
playback system
playback
quadriphone recording
Prior art date
Application number
BE772298A
Other languages
French (fr)
Inventor
B B Bauer
Original Assignee
Columbia Broadcasting Syst 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 Columbia Broadcasting Syst Inc filed Critical Columbia Broadcasting Syst Inc
Publication of BE772298A publication Critical patent/BE772298A/en

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
BE772298A 1970-10-19 1971-09-07 QUADRIPHONE RECORDING AND PLAYBACK SYSTEM BE772298A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8185870A 1970-10-19 1970-10-19

Publications (1)

Publication Number Publication Date
BE772298A true BE772298A (en) 1972-03-17

Family

ID=22166858

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772298A BE772298A (en) 1970-10-19 1971-09-07 QUADRIPHONE RECORDING AND PLAYBACK SYSTEM

Country Status (6)

Country Link
BE (1) BE772298A (en)
CA (1) CA974457A (en)
FR (1) FR2109754A5 (en)
GB (1) GB1360411A (en)
IL (1) IL37872A (en)
NL (1) NL7108370A (en)

Also Published As

Publication number Publication date
CA974457A (en) 1975-09-16
DE2139098A1 (en) 1972-04-20
NL7108370A (en) 1972-04-21
GB1360411A (en) 1974-07-17
FR2109754A5 (en) 1972-05-26
IL37872A0 (en) 1971-12-29
AU3214771A (en) 1973-02-15
DE2139098B2 (en) 1976-11-25
IL37872A (en) 1973-11-28

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