AU3214771A - Quadruphonic reproducing system - Google Patents

Quadruphonic reproducing system

Info

Publication number
AU3214771A
AU3214771A AU32147/71A AU3214771A AU3214771A AU 3214771 A AU3214771 A AU 3214771A AU 32147/71 A AU32147/71 A AU 32147/71A AU 3214771 A AU3214771 A AU 3214771A AU 3214771 A AU3214771 A AU 3214771A
Authority
AU
Australia
Prior art keywords
quadruphonic
reproducing system
reproducing
quadruphonic reproducing
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
AU32147/71A
Other versions
AU457639B2 (en
Inventor
Benjamin B Bauer
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.)
CBS Broadcasting Inc
Original Assignee
Columbia Broadcasting System 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 System Inc filed Critical Columbia Broadcasting System Inc
Application granted granted Critical
Publication of AU3214771A publication Critical patent/AU3214771A/en
Publication of AU457639B2 publication Critical patent/AU457639B2/en
Expired 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)
AU32147/71A 1970-10-19 1971-08-09 Quadruphonic reproducing system Expired AU457639B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8185870A 1970-10-19 1970-10-19
USUS81,858 1970-10-19

Publications (2)

Publication Number Publication Date
AU3214771A true AU3214771A (en) 1973-02-15
AU457639B2 AU457639B2 (en) 1973-02-15

Family

ID=

Also Published As

Publication number Publication date
DE2139098B2 (en) 1976-11-25
GB1360411A (en) 1974-07-17
CA974457A (en) 1975-09-16
IL37872A0 (en) 1971-12-29
NL7108370A (en) 1972-04-21
IL37872A (en) 1973-11-28
DE2139098A1 (en) 1972-04-20
BE772298A (en) 1972-03-17
FR2109754A5 (en) 1972-05-26

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