AU3214771A - Quadruphonic reproducing system - Google Patents
Quadruphonic reproducing systemInfo
- 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
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)
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 |
---|---|
IL37872A (en) | 1973-11-28 |
CA974457A (en) | 1975-09-16 |
DE2139098A1 (en) | 1972-04-20 |
IL37872A0 (en) | 1971-12-29 |
FR2109754A5 (en) | 1972-05-26 |
GB1360411A (en) | 1974-07-17 |
BE772298A (en) | 1972-03-17 |
NL7108370A (en) | 1972-04-21 |
DE2139098B2 (en) | 1976-11-25 |
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