CN204465548U - Based on the emergency broadcase system with frequency - Google Patents
Based on the emergency broadcase system with frequency Download PDFInfo
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- CN204465548U CN204465548U CN201520163497.9U CN201520163497U CN204465548U CN 204465548 U CN204465548 U CN 204465548U CN 201520163497 U CN201520163497 U CN 201520163497U CN 204465548 U CN204465548 U CN 204465548U
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 42
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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Abstract
The utility model relates to communication technical field, especially a kind of based on the emergency broadcase system with frequency, comprise synchronized broadcasting headend room, network center's machine room and synchronized broadcasting transmitting station, synchronized broadcasting headend room comprises audio frequency LR road signal, emergent broadcast signal source, RDS intelligently encoding controller, audio sync encoder, multichannel voice frequency distributor and software server, synchronized broadcasting transmitting station comprises optical receiver, audio sync decoder, synchronized broadcasting transmitter and gps data standard frequency generator, synchronized broadcasting headend room signal is out sent to synchronized broadcasting transmitting station by SDH (Synchronous Digital Hierarchy) SDH.Native system solve FM broadcasting same frequency cover field intensity crossover region co-channel interference, improve listening quality and effect.
Description
Technical field
The utility model relates to communication technical field, especially a kind of based on the emergency broadcase system with frequency.
Background technology
Existing broadcast technology does not use synchronous frequency-modulating broadcast technology, adopts same frequency to cover, and have large-area co-channel interference at covering field intensity crossover region, broadcast singal cannot be listened to, and can also solve the nervous problem of frequency resource simultaneously.
Utility model content
In order to overcome existing deficiency, the utility model provides a kind of based on the emergency broadcase system with frequency.
The utility model solves the technical scheme that its technical problem adopts: a kind of based on emergency broadcase system frequently, comprise synchronized broadcasting headend room, network center's machine room and synchronized broadcasting transmitting station, synchronized broadcasting headend room comprises audio frequency LR road signal, emergent broadcast signal source, RDS intelligently encoding controller, audio sync encoder, multichannel voice frequency distributor and software server, synchronized broadcasting transmitting station comprises optical receiver, audio sync decoder, synchronized broadcasting transmitter and gps data standard frequency generator, software server connects RDS intelligently encoding controller, audio frequency LR road signal, the signal of emergent broadcast signal source and RDS intelligently encoding controller is sent to audio sync encoder by data wire, audio sync encoder connects multichannel voice frequency distributor, multichannel voice frequency distributor is connected to network center's machine room, data are sent to SDH (Synchronous Digital Hierarchy) SDH by network center's machine room, optical receiver receives from the data in SDH (Synchronous Digital Hierarchy) SDH, optical receiver connects audio sync decoder, decoded data cube computation is to synchronized broadcasting transmitter
According to another embodiment of the present utility model, comprise gps data standard frequency generator further and connect synchronized broadcasting transmitter.
According to another embodiment of the present utility model, comprise network center's machine room further and comprise telecommunications or mobile SDH network center machine room.
The beneficial effects of the utility model are, native system solve FM broadcasting same frequency cover field intensity crossover region co-channel interference, improve listening quality and effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Embodiment
If Fig. 1 is structural representation of the present utility model, a kind of based on the emergency broadcase system with frequency, comprise synchronized broadcasting headend room, network center's machine room and synchronized broadcasting transmitting station, synchronized broadcasting headend room comprises audio frequency LR road signal, emergent broadcast signal source, RDS intelligently encoding controller, audio sync encoder, multichannel voice frequency distributor and software server, synchronized broadcasting transmitting station comprises optical receiver, audio sync decoder, synchronized broadcasting transmitter and gps data standard frequency generator, software server connects RDS intelligently encoding controller, audio frequency LR road signal, the signal of emergent broadcast signal source and RDS intelligently encoding controller is sent to audio sync encoder by data wire, audio sync encoder connects multichannel voice frequency distributor, multichannel voice frequency distributor is connected to network center's machine room, data are sent to SDH (Synchronous Digital Hierarchy) SDH by network center's machine room, optical receiver receives from the data in SDH (Synchronous Digital Hierarchy) SDH, optical receiver connects audio sync decoder, decoded data cube computation is to synchronized broadcasting transmitter, gps data standard frequency generator connects synchronized broadcasting transmitter, network center's machine room comprises telecommunications or mobile SDH network center machine room.
Audio frequency LR road signal, emergent broadcast signal source and software server are supplied to the signal of RDS intelligently encoding controller through audio sync encoder, network center's machine room is assigned to again through multichannel voice frequency distributor, data are after SDH (Synchronous Digital Hierarchy) SDH, a part removes each synchronized broadcasting transmitting station, another part is received by optical receiver, through audio sync decoders decode, decoded RDS data-signal and LR road audio signal transmission, to synchronized broadcasting transmitter, then send out through signal tower.
System solves the problem the problem of co-channel interference of FM broadcasting same frequency covering field intensity crossover region, improve listening quality and effect, if do not use synchronous frequency-modulating broadcast technology, employing same frequency covers, large-area co-channel interference is had at covering field intensity crossover region, broadcast singal cannot be listened to, and can also solve the nervous problem of frequency resource simultaneously.
This system is in the process of FM broadcasting synchronized construction, builds emergent broadcast construction simultaneously, realizes provincial or city-level emergent broadcast platform construction.By synchronized broadcasting network, receiving terminal is installed to the county of jurisdiction, small towns, the main area of coverage in administrative village, realize emergent broadcast and cover.
System carries out Region dividing by No. ID, when needing promptly to carry out emergent broadcast broadcast to certain region, by input No. ID, this region, only can carry out emergent broadcast to this region.
More than illustrate the utility model just illustrative; and it is nonrestrictive; those of ordinary skill in the art understand; when not departing from the spirit and scope that claims limit; many amendments, change or equivalence can be made, but all will fall in protection range of the present utility model.
Claims (3)
1. the emergency broadcase system based on same frequency, comprise synchronized broadcasting headend room, network center's machine room and synchronized broadcasting transmitting station, described synchronized broadcasting headend room comprises audio frequency LR road signal, emergent broadcast signal source, RDS intelligently encoding controller, audio sync encoder, multichannel voice frequency distributor and software server, described synchronized broadcasting transmitting station comprises optical receiver, audio sync decoder, synchronized broadcasting transmitter and gps data standard frequency generator, it is characterized in that, described software server connects RDS intelligently encoding controller, described audio frequency LR road signal, the signal of emergent broadcast signal source and RDS intelligently encoding controller is sent to audio sync encoder by data wire, described audio sync encoder connects multichannel voice frequency distributor, described multichannel voice frequency distributor is connected to network center's machine room, data are sent to SDH (Synchronous Digital Hierarchy) SDH by described network center machine room, described optical receiver receives from the data in SDH (Synchronous Digital Hierarchy) SDH, described optical receiver connects audio sync decoder, decoded data cube computation is to synchronized broadcasting transmitter.
2. the emergency broadcase system based on same frequency according to claim 1, it is characterized in that, described gps data standard frequency generator connects synchronized broadcasting transmitter.
3. according to claim 1 based on the emergency broadcase system with frequency, it is characterized in that, described network center machine room comprises telecommunications or mobile SDH network center machine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520163497.9U CN204465548U (en) | 2015-03-23 | 2015-03-23 | Based on the emergency broadcase system with frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520163497.9U CN204465548U (en) | 2015-03-23 | 2015-03-23 | Based on the emergency broadcase system with frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204465548U true CN204465548U (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520163497.9U Expired - Fee Related CN204465548U (en) | 2015-03-23 | 2015-03-23 | Based on the emergency broadcase system with frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204465548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110392221A (en) * | 2018-04-19 | 2019-10-29 | 北京同方吉兆科技有限公司 | A kind of emergent broadcast transmission structure based on the synchronous net system of frequency modulation |
-
2015
- 2015-03-23 CN CN201520163497.9U patent/CN204465548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110392221A (en) * | 2018-04-19 | 2019-10-29 | 北京同方吉兆科技有限公司 | A kind of emergent broadcast transmission structure based on the synchronous net system of frequency modulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |