IT1085116B - Quadraphonic signal transmission system - produces four independent signals for reception by quadraphonic and four channel receivers - Google Patents
Quadraphonic signal transmission system - produces four independent signals for reception by quadraphonic and four channel receiversInfo
- Publication number
- IT1085116B IT1085116B IT2200177A IT2200177A IT1085116B IT 1085116 B IT1085116 B IT 1085116B IT 2200177 A IT2200177 A IT 2200177A IT 2200177 A IT2200177 A IT 2200177A IT 1085116 B IT1085116 B IT 1085116B
- Authority
- IT
- Italy
- Prior art keywords
- quadraphonic
- signals
- transmission system
- signal transmission
- reception
- Prior art date
Links
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The quadraphonic signal transmission system has a coder to form four independent signals from the output of four microphones (or other signal sources). These signals are transmitted via a 2 or 4 channel path to a decoder. The signals can be received both by a quadraphonic receiver and by a receiver with four discrete channels. The four signals are formed according to: U=aLF+bRF, V=cLR+dRR, S=eLF+fRF, T=gLR+hRR, where a-h are real or imaginary constants. These signals are added to give X=U+V and Y=S+T.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2200177A IT1085116B (en) | 1977-04-01 | 1977-04-01 | Quadraphonic signal transmission system - produces four independent signals for reception by quadraphonic and four channel receivers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2200177A IT1085116B (en) | 1977-04-01 | 1977-04-01 | Quadraphonic signal transmission system - produces four independent signals for reception by quadraphonic and four channel receivers |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1085116B true IT1085116B (en) | 1985-05-28 |
Family
ID=11190011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2200177A IT1085116B (en) | 1977-04-01 | 1977-04-01 | Quadraphonic signal transmission system - produces four independent signals for reception by quadraphonic and four channel receivers |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1085116B (en) |
-
1977
- 1977-04-01 IT IT2200177A patent/IT1085116B/en active
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