JPS5684080A - Receiver for character multiplex broadcast signal - Google Patents
Receiver for character multiplex broadcast signalInfo
- Publication number
- JPS5684080A JPS5684080A JP16120079A JP16120079A JPS5684080A JP S5684080 A JPS5684080 A JP S5684080A JP 16120079 A JP16120079 A JP 16120079A JP 16120079 A JP16120079 A JP 16120079A JP S5684080 A JPS5684080 A JP S5684080A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sound
- sound signal
- ram25
- loudspeaker
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
- H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
- H04N7/0882—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
Abstract
PURPOSE:To make it possible to utilize a character broadcast without sacrificing the picture of a TV broadcast program by making it possible to express the character broadcast by voice by generating a sound signal from code signals of characters, numbers, etc. CONSTITUTION:When a desired page number is inputted from keyboard 21, input processing circuit 22 compares the input with a page signal in a data signal and when the both agree with each other, the signal is converted from series to parallel by processing circuit 24 and written into RAM25. The signal written into RAM25 is read out to read ROM41 and the read data is decoded by linear forecasting decoding circuit 42. Further, digital sound synthesizing circuit 43 synthesizes a digital sound signal. This sound signal is converted by D/A converter 44 into an analog sound signal, which is supplied to loudspeaker 46 via amplifier 45. Therefore, characters, numbers, etc., displayed on picture tube 15 are expressed in sound through loudspeaker 46.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16120079A JPS5684080A (en) | 1979-12-12 | 1979-12-12 | Receiver for character multiplex broadcast signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16120079A JPS5684080A (en) | 1979-12-12 | 1979-12-12 | Receiver for character multiplex broadcast signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5684080A true JPS5684080A (en) | 1981-07-09 |
Family
ID=15730484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16120079A Pending JPS5684080A (en) | 1979-12-12 | 1979-12-12 | Receiver for character multiplex broadcast signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5684080A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5693073U (en) * | 1979-12-19 | 1981-07-24 | ||
JPS5827488A (en) * | 1981-08-10 | 1983-02-18 | Matsushita Electric Ind Co Ltd | Character broadcast receiver |
JPS58197980A (en) * | 1982-05-13 | 1983-11-17 | Mitsubishi Electric Corp | Television character multiplex broadcast receiver |
JPS58213578A (en) * | 1982-06-04 | 1983-12-12 | Mitsubishi Electric Corp | Receiving device for television text broadcasting |
JPS5940785A (en) * | 1982-08-31 | 1984-03-06 | Nec Home Electronics Ltd | Character multiplex television set |
-
1979
- 1979-12-12 JP JP16120079A patent/JPS5684080A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5693073U (en) * | 1979-12-19 | 1981-07-24 | ||
JPS5827488A (en) * | 1981-08-10 | 1983-02-18 | Matsushita Electric Ind Co Ltd | Character broadcast receiver |
JPS58197980A (en) * | 1982-05-13 | 1983-11-17 | Mitsubishi Electric Corp | Television character multiplex broadcast receiver |
JPS58213578A (en) * | 1982-06-04 | 1983-12-12 | Mitsubishi Electric Corp | Receiving device for television text broadcasting |
JPS5940785A (en) * | 1982-08-31 | 1984-03-06 | Nec Home Electronics Ltd | Character multiplex television set |
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