CN109347585A - A kind of emergency broadcase system for realizing teletext self-checking function - Google Patents
A kind of emergency broadcase system for realizing teletext self-checking function Download PDFInfo
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- CN109347585A CN109347585A CN201811404949.2A CN201811404949A CN109347585A CN 109347585 A CN109347585 A CN 109347585A CN 201811404949 A CN201811404949 A CN 201811404949A CN 109347585 A CN109347585 A CN 109347585A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
Abstract
The present invention provides a kind of emergency broadcase system for realizing teletext self-checking function, including platform, transmission network, terminal, passback net；Platform includes that platform control module, test text file generating module, text turn audio-frequency module, sending module, platform communication module, audio conversion character module；Terminal includes terminal control module, receiving module, interface module, playing module, audio collection module, terminal communication module.Test text file is converted to testing audio file by platform, is sent to terminal through transmission network；Terminal plays out, while audio file is listened in the generation of acquisition broadcasting speech in real time, is returned net and is sent to platform；Platform, which is converted to, listens to text file, compares test text file and listens to the consistency of text file.The present invention realizes the emergency broadcase system of teletext self-checking function, reduces maintenance cost.
Description
Technical field
The present invention relates to emergent broadcast technical fields, wide more particularly, to a kind of emergency for realizing teletext self-checking function
Broadcast system.
Background technique
Emergency broadcase system includes platform and terminal.Terminal is distributed throughout, multi-point and wide-ranging, is especially distributed across rural
Terminal, distribution extremely disperse.With the increase of system operation time, the continuous rising of maintenance cost is brought.Teletext self-test
Being emergent broadcast platform sends emergent broadcast text to terminal, then judge automatically terminal plays whether emergent broadcast text
Whether this audio is normal with self detection teletext.Emergency broadcase system has teletext self-checking function, can simplify
Safeguard step, quick fault point.Need a kind of emergency broadcase system for realizing teletext self-checking function.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of emergency broadcase system for realizing teletext self-checking function.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of emergency broadcase system for realizing teletext self-checking function, including platform, transmission network, terminal, passback net.
The platform, including platform control module, test text file generating module, text turn audio-frequency module, send mould
Block, platform communication module, audio conversion character module send data and instruction to terminal, receive the data and instruction that terminal is sent,
Carry out teletext self-test.
The transmission network is radio computer network, wired communication network, 2G network, 3G network, 4G network, 5G net
Network, medium wave transmission network, shortwave transmission network, cable digital TV transmission network, terrestrial DTV transmission network, is defended FM transmission net
One of star transmission network, platform send data and instruction to terminal by transmission network.
The terminal, at least one, including terminal control module, receiving module, interface module, playing module, audio adopt
Collect module, terminal communication module, the data and instruction that receiving platform is sent sends data and instruction to platform.
The passback net is radio computer network, wired communication network, 2G network, 3G network, 4G network, 5G net
One of network, terminal upload data and instruction to platform by passback net.
The platform control module, connecting test text file generation module, text turn audio-frequency module, sending module, put down
Platform communication module, audio conversion character module.
The test text file generating module provides test text file to platform control module.
The test text file, is programming automatic generation or pre-stored one section of text or a text file,
It is used for teletext self-test.
The text turns audio-frequency module, and test text file is converted to testing audio file.
The sending module is the communication interface with transmission Network Communication.
The platform communication module, is the communication interface with passback Network Communication, and communication mode is logical for radio computer network
One of letter, wired communication network communication, 2G network communication, 3G network communication, 4G network communication, 5G network communication.
The audio conversion character module will be listened to audio file and be converted to and listens to text file.
The terminal control module connects receiving module, interface module, audio collection module, terminal communication module.
The receiving module, the data and instruction that receiving platform is transmitted by transmission network, is transmitted to terminal control module.
Testing audio file is switched to test audio signal, Xiang Bo under terminal control module control by the interface module
Amplification module transmission.
The playing module plays test audio signal for broadcasting speech.
The audio collection module, including it is directed toward sound pick-up, audio defeat component, audio isolator, acquisition plays in real time
The broadcasting speech that module plays listens to audio file by terminal control module generation.
The direction sound pick-up, against playing module direction, to acquire the sound in playing module direction, the sound in other directions
The volume that sound is not acquired or acquired is smaller.
The audio defeat component filters site environment background noise.
The audio isolator removes noise altogether.
The terminal communication module, is the communication interface with passback Network Communication, and communication mode is logical for radio computer network
One of letter, wired communication network communication, 2G network communication, 3G network communication, 4G network communication, 5G network communication.
The method of the teletext self-test is:
Platform control module obtains test text file from test text file generating module；
Test text file is transmitted to text and turns audio-frequency module by platform control module；
Text turns audio-frequency module and test text file is converted to testing audio file, returns to platform control module；
Testing audio file is transmitted to sending module by platform control module；
Testing audio file is sent to receiving module by transmission network by sending module；
Receiving module receives testing audio file from transmission network, is transmitted to terminal control module；
Testing audio file is transmitted to interface module by terminal control module；
Testing audio file is switched to test audio signal by interface module, is transmitted to playing module；
Playing module plays test audio signal for broadcasting speech；
Audio collection module acquires the broadcasting speech of playing module broadcasting in real time, listens to audio text by terminal control module generation
Part；
Terminal control module will listen to audio file and be transmitted to terminal communication module；
Terminal communication module will listen to audio file and be sent to platform communication module by returning net；
Platform communication module will listen to audio file and be transmitted to platform control module；
Platform control module will listen to audio file and be transmitted to audio conversion character module；
Audio conversion character module will be listened to audio file and be converted to and listen to text file, returns to platform control module；
Platform control module compares test text file and listens to text file, and teletext self-test is normal if consistent, if not
Consistent then teletext fail self-test.
Compared with prior art, the beneficial effects of the present invention are: using modularized design, by platform, transmission network, terminal,
Passback net composition has the emergency broadcase system of teletext self-checking function, by platform control module, test text file generated mould
Block, text turn audio-frequency module, sending module, platform communication module, audio conversion character module composition platform, by terminal control mould
Block, receiving module, interface module, playing module, audio collection module, terminal communication module form terminal.Test text file
Generation module provides test text file；Text turns audio-frequency module and test text file is converted to testing audio file；Platform
Testing audio file is sent to terminal control module through sending module, transmission network, receiving module by control module；Terminal control mould
Block plays out testing audio file through interface module, playing module；Audio collection module acquires broadcasting speech, is picked up with direction
Sound device, audio defeat component, audio isolator improve the signal-to-noise ratio of broadcast speech signal, listen to sound by terminal control module generation
Frequency file；Terminal control module will listen to audio file and be sent to platform through terminal communication module, passback net, platform communication module
Control module；Platform control module control audio conversion character module, which will listen to audio file and be converted to, listens to text file, then compares
Compared with test text file and the consistency for listening to text file, carries out teletext and detect automatically.Platform is first unified will test text
This document is distributed after being converted to testing audio file, then receive each terminal listen to audio file concentration be converted to respective listen to
Text file, composition notebook does not turn the conversion process of audio and audio conversion text to each terminal, simplifies terminal structure, saves and calculate money
Source.The present invention realizes that emergency broadcase system detects the operating condition of teletext function automatically, reduces maintenance cost.
Detailed description of the invention
Fig. 1 is the system construction drawing of the embodiment of the present invention.
Fig. 2 is the platform structure figure of the embodiment of the present invention.
Fig. 3 is the terminal structure figure of the embodiment of the present invention.
Fig. 4 is the audio collection module structure chart of the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of emergency broadcase system for realizing teletext self-checking function, including it is flat
Platform 1, transmission network 2, terminal 3, passback net 4.
The platform 1, including platform control module 101, test text file generating module 102, text turn audio-frequency module
103, sending module 104, platform communication module 105, audio conversion character module 106 send data and instruction to terminal 3, receive
The data and instruction that terminal 3 is sent carries out teletext self-test.
The transmission network 2 is radio computer network, wired communication network, 2G network, 3G network, 4G network, 5G net
Network, medium wave transmission network, shortwave transmission network, cable digital TV transmission network, terrestrial DTV transmission network, is defended FM transmission net
One of star transmission network, platform 1 send data and instruction to terminal 3 by transmission network 2.
The terminal 3, at least one, including terminal control module 301, receiving module 302, interface module 303, broadcasting mould
Block 304, audio collection module 305, terminal communication module 306, the data and instruction that receiving platform 1 is sent send number to platform 1
According to and instruction.
The passback net 4 is radio computer network, wired communication network, 2G network, 3G network, 4G network, 5G net
One of network, terminal 3 upload data and instruction to platform 1 by passback net 4.
The platform control module 101, connecting test text file generation module 102, text turn audio-frequency module 103, hair
Send module 104, platform communication module 105, audio conversion character module 106.
The test text file generating module 102 provides test text file to platform control module 101.
The test text file, is programming automatic generation or pre-stored one section of text or a text file,
It is used for teletext self-test.
The text turns audio-frequency module 103, and test text file is converted to testing audio file.
The sending module 104 is the communication interface communicated with transmission network 2.
The platform communication module 105 is the communication interface communicated with passback net 4, and communication mode is radio computer
One of network communication, wired communication network communication, 2G network communication, 3G network communication, 4G network communication, 5G network communication.
The audio conversion character module 106 will be listened to audio file and be converted to and listens to text file.
The terminal control module 301 connects receiving module 302, interface module 303, audio collection module 305, terminal
Communication module 306.
The receiving module 302, receiving platform 1 pass through the data and instruction that transmission network 2 is transmitted, are transmitted to terminal control module
301。
Testing audio file is switched to testing audio letter under the control of terminal control module 301 by the interface module 303
Number, it is transmitted to playing module 304.
The playing module 304, test audio signal is played as broadcasting speech.
The audio collection module 305, including it is directed toward sound pick-up 30501, audio defeat component 30502, audio isolator
30503, the broadcasting speech that playing module 304 plays is acquired in real time, and audio file is listened to by the generation of terminal control module 301.
The direction sound pick-up 30501, against 304 direction of playing module, to acquire the sound in 304 direction of playing module,
The volume that the sound in other directions is not acquired or acquired is smaller.
The audio defeat component 30502 filters site environment background noise.
The audio isolator 30503 removes noise altogether.
The terminal communication module 306 is the communication interface communicated with passback net 4, and communication mode is radio computer
One of network communication, wired communication network communication, 2G network communication, 3G network communication, 4G network communication, 5G network communication.
The method of the teletext self-test is:
Platform control module 101 obtains test text file from test text file generating module 102；
Test text file is transmitted to text and turns audio-frequency module 103 by platform control module 101；
Text turns audio-frequency module 103 and test text file is converted to testing audio file, returns to platform control module 101；
Testing audio file is transmitted to sending module 104 by platform control module 101；
Testing audio file is sent to receiving module 302 by transmission network 2 by sending module 104；
Receiving module 302 receives testing audio file from transmission network 2, is transmitted to terminal control module 301；
Testing audio file is transmitted to interface module 303 by terminal control module 301；
Testing audio file is switched to test audio signal by interface module 303, is transmitted to playing module 304；
Playing module 304 plays test audio signal for broadcasting speech；
The broadcasting speech that acquisition playing module 304 plays in real time of audio collection module 305, is generated by terminal control module 301 and is received
Listen audio file；
Terminal control module 301 will listen to audio file and be transmitted to terminal communication module 306；
Terminal communication module 306 will listen to audio file and be sent to platform communication module 105 by returning net 4；
Platform communication module 105 will listen to audio file and be transmitted to platform control module 101；
Platform control module 101 will listen to audio file and be transmitted to audio conversion character module 106；
Audio conversion character module 106 will be listened to audio file and be converted to and listen to text file, returns to platform control module 101；
Platform control module 101 compares test text file and listens to text file, and teletext self-test is normal if consistent,
The teletext fail self-test if inconsistent.
In the embodiment of the present invention: using modularized design, form a kind of reality by platform 1, transmission network 2, terminal 3, passback net 4
The emergency broadcase system of existing teletext self-checking function, by platform control module 101, test text file generating module 102, text
Letter-to-phone frequency module 103, sending module 104, platform communication module 105, audio conversion character module 106 form platform 1, by terminal
Control module 301, receiving module 302, interface module 303, playing module 304, audio collection module 305, terminal communication module
306 compositing terminals 3.Test text file generating module 102 provides test text file；Text, which will turn audio-frequency module 103, to be tested
Text file is converted to testing audio file；Platform control module 101 is by testing audio file through sending module 104, transmission network
2, receiving module 302 is sent to terminal control module 301；Terminal control module 301 is by testing audio file through interface module
303, playing module 304 plays out；Audio collection module 305 acquires broadcasting speech, is dropped with direction sound pick-up 30501, audio
Make an uproar component 30502, audio isolator 30503 improve broadcast speech signal signal-to-noise ratio, by terminal control module 301 generation listen to
Audio file；Terminal control module 301 will listen to audio file through terminal communication module 306, passback net 4, platform communication module
105 are sent to platform control module 101；Platform control module 101, which controls audio conversion character module 106, will listen to audio file turn
It is changed to and listens to text file, then compare test text file and listen to the consistency of text file, carry out teletext and examine automatically
It surveys.Platform 1 is distributed after test text file consolidation is first converted to testing audio file, then receive each terminal 3 listen to audio
Be converted in file set it is respective listen to text file, composition notebook does not turn the conversion process of audio and audio conversion text to each terminal 3,
Simplify terminal structure, saves computing resource.
The present invention realizes the emergency broadcase system of teletext self-checking function, reduces maintenance cost.
Above embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but can not
Therefore understands that being limitations on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (1)
1. a kind of emergency broadcase system for realizing teletext self-checking function, including platform, transmission network, terminal, passback net；
The platform, including platform control module, test text file generating module, text turn audio-frequency module, sending module, put down
Platform communication module, audio conversion character module send data and instruction to terminal, receive the data and instruction that terminal is sent, and carry out
Teletext self-test；
The transmission network is radio computer network, wired communication network, 2G network, 3G network, 4G network, 5G network, adjusts
Frequency transmission network, medium wave transmission network, shortwave transmission network, cable digital TV transmission network, terrestrial DTV transmission network, satellite transmission
One of net, platform send data and instruction to terminal by transmission network；
The terminal, at least one, including terminal control module, receiving module, interface module, playing module, audio collection mould
Block, terminal communication module, the data and instruction that receiving platform is sent send data and instruction to platform；
The passback net is radio computer network, wired communication network, 2G network, 3G network, 4G network, 5G network
One of them, terminal uploads data and instruction to platform by passback net；
The platform control module, it is logical that connecting test text file generation module, text turn audio-frequency module, sending module, platform
Believe module, audio conversion character module；
The test text file generating module provides test text file to platform control module；
The test text file is programming automatic generation or pre-stored one section of text or a text file, for text
This broadcast self-test uses；
The text turns audio-frequency module, and test text file is converted to testing audio file；
The sending module is the communication interface with transmission Network Communication；
The platform communication module, is the communication interface with passback Network Communication, and communication mode is radio computer network communication, has
One of computer on line network communication, 2G network communication, 3G network communication, 4G network communication, 5G network communication；
The audio conversion character module will be listened to audio file and be converted to and listens to text file；
The terminal control module connects receiving module, interface module, audio collection module, terminal communication module；
The receiving module, the data and instruction that receiving platform is transmitted by transmission network, is transmitted to terminal control module；
Testing audio file is switched to test audio signal under terminal control module control by the interface module, to broadcasting mould
Block transmission；
The playing module plays test audio signal for broadcasting speech；
The audio collection module, including it is directed toward sound pick-up, audio defeat component, audio isolator, playing module is acquired in real time
The broadcasting speech of broadcasting listens to audio file by terminal control module generation；
The direction sound pick-up, against playing module direction, to acquire the sound in playing module direction, the sound in other directions is not
The volume of acquisition or acquisition is smaller；
The audio defeat component filters site environment background noise；
The audio isolator removes noise altogether；
The terminal communication module, is the communication interface with passback Network Communication, and communication mode is radio computer network communication, has
One of computer on line network communication, 2G network communication, 3G network communication, 4G network communication, 5G network communication；
The method of the teletext self-test is:
Platform control module obtains test text file from test text file generating module；
Test text file is transmitted to text and turns audio-frequency module by platform control module；
Text turns audio-frequency module and test text file is converted to testing audio file, returns to platform control module；
Testing audio file is transmitted to sending module by platform control module；
Testing audio file is sent to receiving module by transmission network by sending module；
Receiving module receives testing audio file from transmission network, is transmitted to terminal control module；
Testing audio file is transmitted to interface module by terminal control module；
Testing audio file is switched to test audio signal by interface module, is transmitted to playing module；
Playing module plays test audio signal for broadcasting speech；
Audio collection module acquires the broadcasting speech of playing module broadcasting in real time, listens to audio text by terminal control module generation
Part；
Terminal control module will listen to audio file and be transmitted to terminal communication module；
Terminal communication module will listen to audio file and be sent to platform communication module by returning net；
Platform communication module will listen to audio file and be transmitted to platform control module；
Platform control module will listen to audio file and be transmitted to audio conversion character module；
Audio conversion character module will be listened to audio file and be converted to and listen to text file, returns to platform control module；
Platform control module compares test text file and listens to text file, and teletext self-test is normal if consistent, if not
Consistent then teletext fail self-test.
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| CN201811404949.2A CN109347585B (en) | 2018-11-24 | 2018-11-24 | Emergency broadcasting system for realizing text broadcasting self-checking function |
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| CN201811404949.2A CN109347585B (en) | 2018-11-24 | 2018-11-24 | Emergency broadcasting system for realizing text broadcasting self-checking function |
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| CN109347585B CN109347585B (en) | 2020-11-10 |
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Cited By (1)
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| CN112073888A (en) * | 2020-08-06 | 2020-12-11 | 深圳市天视通技术有限公司 | Audio testing method, system, electronic equipment and storage medium |
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