CN205647809U - Security protection audio alert network broadcasting system - Google Patents
Security protection audio alert network broadcasting system Download PDFInfo
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- CN205647809U CN205647809U CN201620395215.2U CN201620395215U CN205647809U CN 205647809 U CN205647809 U CN 205647809U CN 201620395215 U CN201620395215 U CN 201620395215U CN 205647809 U CN205647809 U CN 205647809U
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Abstract
The utility model discloses a security protection audio alert network broadcasting system, including control center and control point and long -range point in call, control center includes CD player, tuner, preamplifier, system service ware, IP network twine main control computer, ethernet switch, IP network twine paging microphone, IP network twine monitor, first optical transmitter and receiver, long -range point in call includes policeman local net, IP network twine paging microphone, the control point includes first control point, and first control point includes second optical transmitter and receiver, switch, internet protocol camera, IP network twine voice frequency terminal, speaker, the panel of talkbacking. The utility model has the advantages of broadcast tone quality is good, anti -interference by force, transmission distance is far away.
Description
Technical field
This utility model relates to speech communication technology, more specifically, it relates to a kind of security protection audio alert net broadcast system.
Background technology
Network security protection voice persuasion system is to aim at city safety-protection system sound intermediate frequency broadcast and design, and can be used for the public places such as station, airport, community, traffic intersection, and its importance is apparent.But, the voice system that current above-mentioned public place is built, it is limited to system architecture problem, causes sound to damage relatively big, result of broadcast is bad.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of security protection audio alert net broadcast system, has the advantages such as broadcasting tonequality strong, long transmission distance good, anti-interference.
For achieving the above object, this utility model provides following technical scheme:
A kind of security protection audio alert net broadcast system, including control centre and control point and remote call-in point；
Described control centre includes CD Player, tuner, preamplifier, system server, IP network main control computer, Ethernet switch, IP network paging microphone, IP network audiomonitor, the first optical transmitter and receiver；Wherein, described CD Player, the output port of tuner are connected to the input port of preamplifier；The output port of preamplifier is connected to system server and the input port of IP network main control computer；Described system server, IP network main control computer, IP network paging microphone, IP network audiomonitor, the first optical transmitter and receiver all communicate to connect with Ethernet switch；
Described remote call-in point includes public security LAN, IP network paging microphone；Wherein, Ethernet switch, IP network paging microphone are linked into public security LAN；
Described control point includes that the first control point, described first control point include the second optical transmitter and receiver, switch, web camera, IP network voice frequency terminal, speaker, intercommunication panel；Wherein, switch is communicated to connect by the second optical transmitter and receiver and the first optical transmitter and receiver；Described web camera, IP network voice frequency terminal are all connected with switch communication；Described speaker and intercommunication panel electrically connect with IP network voice frequency terminal.
Further, control centre also includes DVR, the 3rd optical transmitter and receiver；Described DVR and the communication connection of the 3rd optical transmitter and receiver；
Described control point also includes that the second control point, described second control point include the 4th optical transmitter and receiver, analog video camera, IP network voice frequency terminal, speaker, intercommunication panel；Speaker, intercommunication panel all electrically connect with IP network voice frequency terminal；Analog video camera, IP network voice frequency terminal all communicate to connect with the 4th optical transmitter and receiver；4th optical transmitter and receiver and the communication connection of the 3rd optical transmitter and receiver.
Further, described intercommunication panel is integrated with voice de-noising circuit, and described voice de-noising module includes dsp processor, and jtag interface, voice collecting and playback module, CPLD module, FLASH module, the supply module electrically connected with dsp processor.
Further, dsp processor uses TMS320VC5509 chip.
Further, voice collecting uses TLV320AIC23 phonetic codec chip with playback module.
Further, CPLD module model be XC95114.
Further, supply module uses TPS73HD301, provides 1.6 V core voltage needed for dsp chip and the I/O voltage of 3.3 V respectively.
Further, the model of FLASH module is AM29LV800B.
Compared with prior art, the utility model has the advantages that: make the more perfect adaptation of voice broadcast service and video monitoring, manage easily for safety precaution management offer science.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present utility model；
Fig. 2 is the module principle figure of voice de-noising circuit in this utility model.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited only to this.
With reference to Fig. 1, a kind of security protection audio alert net broadcast system, including control centre and control point and remote call-in point；
Control centre includes CD Player, tuner, preamplifier, system server, IP network main control computer, Ethernet switch, IP network paging microphone, IP network audiomonitor, the first optical transmitter and receiver, DVR, the 3rd optical transmitter and receiver；Wherein, CD Player, the output port of tuner are connected to the input port of preamplifier；The output port of preamplifier is connected to system server and the input port of IP network main control computer；System server, IP network main control computer, IP network paging microphone, IP network audiomonitor, the first optical transmitter and receiver all communicate to connect with Ethernet switch；DVR and the communication connection of the 3rd optical transmitter and receiver.
Remote call-in point includes public security LAN, IP network paging microphone；Wherein, Ethernet switch, IP network paging microphone are linked into public security LAN.
Control point includes the first control point and the second control point, and the first control point includes the second optical transmitter and receiver, switch, web camera, IP network voice frequency terminal, speaker, intercommunication panel；Wherein, switch is communicated to connect by the second optical transmitter and receiver and the first optical transmitter and receiver；Web camera, IP network voice frequency terminal are all connected with switch communication；Speaker and intercommunication panel electrically connect with IP network voice frequency terminal.
Second control point includes the 4th optical transmitter and receiver, analog video camera, IP network voice frequency terminal, speaker, intercommunication panel；Speaker, intercommunication panel all electrically connect with IP network voice frequency terminal；Analog video camera, IP network voice frequency terminal all communicate to connect with the 4th optical transmitter and receiver；4th optical transmitter and receiver and the communication connection of the 3rd optical transmitter and receiver.
First control point and the second control point apply web camera and analog video camera respectively, are adapted to different places.
This utility model uses above technical scheme, by common computer network, optical fiber (containing telecommunications broadband networks) real-time delivery of voice data, has the advantages such as broadcasting tonequality strong, long transmission distance good, anti-interference.Make the more perfect adaptation of voice broadcast service and video monitoring, manage easily for safety precaution management offer science.Usually smelting peace regulations of rules and the notice of some policys, the broadcasting of optional whole/locally/single-point can be play.Background music easily is play as required time idle.Real any multiplex broadcasting---each terminal can play different content, and volume independently controls；When finding monitor video has suspect object and urgent smelting peace situation, total Surveillance center (office) or a point Surveillance center (local police station) all can realize the emergency speech signal intrusion to control point, carry out the crowd that dredges or commander's in-situ processing work, suspect object is also had voice fright effect；Meeting emergency case, the masses can use the intercommunication panel calling key being arranged on control point nearby, it is achieved seeks help and reports to the police.Support the full-duplex voice hand-free call of Surveillance center and control point；By the intercommunication panel (built-in miaow head) of control point, or external pick up, on-the-spot sound can be monitored；Server and IP network main control computer (embedded platform) constitute dual fail-safe, and such as side's fault, the opposing party takes over all terminals.It it is the Web broadcast of currently the only offer back mechanism.Major project first-selection master control system, it is ensured that stablize carefree.It is connected with IP network voice frequency terminal by optical transmitter and receiver (having Ethernet interface), then synthesizes omnibearing safety-protection system with the system server of Surveillance center, be the ideal chose of supporting video monitoring system.
Additionally, another improvement of the present embodiment is: intercommunication panel is integrated with voice de-noising circuit, voice de-noising module includes dsp processor, and jtag interface, voice collecting and playback module, CPLD module, FLASH module, the supply module electrically connected with dsp processor.Wherein, dsp processor uses TMS320VC5509 chip；Voice collecting uses TLV320AIC23 phonetic codec chip with playback module；, CPLD module model be XC95114；Supply module uses TPS73HD301, provides 1.6 V core voltage needed for dsp chip and the I/O voltage of 3.3 V respectively；The model of FLASH module is AM29LV800B.
The present embodiment uses above scheme, and voice signal carries out analog digital conversion by TLV320AIC23 phonetic codec chip to voice.TLV320AIC23 is a high performance codec, this module has analog-digital converter, digital to analog converter, employ efficient Multibit sigma-delta and over-sampling digital interpolation filtering technique, support the collection from the audio signal of 8 kHz ~ 96 kHz sample frequencys of 16,20,24 and 32 bit formats and playback, and there is higher signal to noise ratio (snr) and relatively low energy consumption.Multichannel buffered serial port McBSP (multiply channel buffer interferce) is utilized to communicate with DSP.Carrying out noise reduction process sending DSP by the data after TLV320AIC23 analog digital conversion to by McBSP1, the data after process are sent to loudspeaker output after digital-to-analogue converts.
Claims (8)
1. a security protection audio alert net broadcast system, is characterized in that, including control centre and control point and remote call-in point；
Described control centre includes CD Player, tuner, preamplifier, system server, IP network main control computer, Ethernet switch, IP network paging microphone, IP network audiomonitor, the first optical transmitter and receiver；Wherein, described CD Player, the output port of tuner are connected to the input port of preamplifier；The output port of preamplifier is connected to system server and the input port of IP network main control computer；Described system server, IP network main control computer, IP network paging microphone, IP network audiomonitor, the first optical transmitter and receiver all communicate to connect with Ethernet switch；
Described remote call-in point includes public security LAN, IP network paging microphone；Wherein, Ethernet switch, IP network paging microphone are linked into public security LAN；
Described control point includes that the first control point, described first control point include the second optical transmitter and receiver, switch, web camera, IP network voice frequency terminal, speaker, intercommunication panel；Wherein, switch is communicated to connect by the second optical transmitter and receiver and the first optical transmitter and receiver；Described web camera, IP network voice frequency terminal are all connected with switch communication；Described speaker and intercommunication panel electrically connect with IP network voice frequency terminal.
Security protection audio alert net broadcast system the most according to claim 1, is characterized in that, control centre also includes DVR, the 3rd optical transmitter and receiver；Described DVR and the communication connection of the 3rd optical transmitter and receiver；
Described control point also includes that the second control point, described second control point include the 4th optical transmitter and receiver, analog video camera, IP network voice frequency terminal, speaker, intercommunication panel；Speaker, intercommunication panel all electrically connect with IP network voice frequency terminal；Analog video camera, IP network voice frequency terminal all communicate to connect with the 4th optical transmitter and receiver；4th optical transmitter and receiver and the communication connection of the 3rd optical transmitter and receiver.
Security protection audio alert net broadcast system the most according to claim 1, it is characterized in that, described intercommunication panel is integrated with voice de-noising circuit, described voice de-noising module includes dsp processor, and jtag interface, voice collecting and playback module, CPLD module, FLASH module, the supply module electrically connected with dsp processor.
Security protection audio alert net broadcast system the most according to claim 3, is characterized in that, dsp processor uses TMS320VC5509 chip.
Security protection audio alert net broadcast system the most according to claim 3, is characterized in that, voice collecting uses TLV320AIC23 phonetic codec chip with playback module.
Security protection audio alert net broadcast system the most according to claim 3, is characterized in that, CPLD module model be XC95114.
Security protection audio alert net broadcast system the most according to claim 3, is characterized in that, supply module uses TPS73HD301, provides 1.6 V core voltage needed for dsp chip and the I/O voltage of 3.3 V respectively.
Security protection audio alert net broadcast system the most according to claim 3, is characterized in that, the model of FLASH module is AM29LV800B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395215.2U CN205647809U (en) | 2016-05-04 | 2016-05-04 | Security protection audio alert network broadcasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395215.2U CN205647809U (en) | 2016-05-04 | 2016-05-04 | Security protection audio alert network broadcasting system |
Publications (1)
| Publication Number | Publication Date |
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| CN205647809U true CN205647809U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620395215.2U Expired - Fee Related CN205647809U (en) | 2016-05-04 | 2016-05-04 | Security protection audio alert network broadcasting system |
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| CN (1) | CN205647809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213528A (en) * | 2018-11-29 | 2019-09-06 | 常州市佐安电器有限公司 | Sound Monitoring System based on video |
-
2016
- 2016-05-04 CN CN201620395215.2U patent/CN205647809U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213528A (en) * | 2018-11-29 | 2019-09-06 | 常州市佐安电器有限公司 | Sound Monitoring System based on video |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |