JPS5596774A - Sound multiplex signal reproducing device - Google Patents
Sound multiplex signal reproducing deviceInfo
- Publication number
- JPS5596774A JPS5596774A JP462479A JP462479A JPS5596774A JP S5596774 A JPS5596774 A JP S5596774A JP 462479 A JP462479 A JP 462479A JP 462479 A JP462479 A JP 462479A JP S5596774 A JPS5596774 A JP S5596774A
- Authority
- JP
- Japan
- Prior art keywords
- stereophonic
- signal
- output
- sound
- modulation
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Television Receiver Circuits (AREA)
- Stereo-Broadcasting Methods (AREA)
Abstract
PURPOSE:To perform wireless connection to an audio device by detecting automatically stereophonic, monaural and double sound of the sound signal, which is multiplexed to a TV signal, and by subjecting and stereophonic demodulation signal to FM stereophonic modulation again and re-transmitting this modulated signal. CONSTITUTION:The pilot signal output of band-pass filter 5 is amplified by 55.125kHz amplifier 12 and is detected by AM detector 13. The pilot signal of composite sound signals is taken out by 922.5Hz reed filter 14 and 982.5Hz reed filter 15, and stereophonic, monaural and double sound are detected and switched automatically by automatic signal switching circuit 18. The stereophonic demodulation output is taken out from line-out terminals b and c through selector switches 10 and 11 and low-pass filters 19 and 20. The stereophonic demodulation output is applied to stereophonic modulator 23 through 50mu pre-emphasis circuits 21 and 22 and is subjected to stereophonic modulation, and after that, this output is modulated and amplified by FM modulation transmitter 27 and is transmitted by antenna 29.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP462479A JPS5596774A (en) | 1979-01-17 | 1979-01-17 | Sound multiplex signal reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP462479A JPS5596774A (en) | 1979-01-17 | 1979-01-17 | Sound multiplex signal reproducing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5596774A true JPS5596774A (en) | 1980-07-23 |
Family
ID=11589195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP462479A Pending JPS5596774A (en) | 1979-01-17 | 1979-01-17 | Sound multiplex signal reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5596774A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55141875A (en) * | 1979-04-23 | 1980-11-06 | Pioneer Electronic Corp | Television audio multiplex broadcast system in catv system |
JPS5674384A (en) * | 1979-11-21 | 1981-06-19 | Hitachi Ltd | Production of structure |
EP0441332A2 (en) * | 1990-02-08 | 1991-08-14 | Societa Italiana Per Lo Sviluppo Dell'elettronica S.I.Sv.El S.P.A. | Improved television signal receiver |
-
1979
- 1979-01-17 JP JP462479A patent/JPS5596774A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55141875A (en) * | 1979-04-23 | 1980-11-06 | Pioneer Electronic Corp | Television audio multiplex broadcast system in catv system |
JPS5674384A (en) * | 1979-11-21 | 1981-06-19 | Hitachi Ltd | Production of structure |
EP0441332A2 (en) * | 1990-02-08 | 1991-08-14 | Societa Italiana Per Lo Sviluppo Dell'elettronica S.I.Sv.El S.P.A. | Improved television signal receiver |
EP0441332A3 (en) * | 1990-02-08 | 1992-05-20 | Societa Italiana Per Lo Sviluppo Dell'elettronica S.I.Sv.El S.P.A. | Improved television signal receiver |
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