CN205754361U - A kind of network audio broadcast system - Google Patents
A kind of network audio broadcast system Download PDFInfo
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- CN205754361U CN205754361U CN201620640558.0U CN201620640558U CN205754361U CN 205754361 U CN205754361 U CN 205754361U CN 201620640558 U CN201620640558 U CN 201620640558U CN 205754361 U CN205754361 U CN 205754361U
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Abstract
nullThe utility model discloses a kind of network audio broadcast system，Including network audio server、The network switch、Network power amplifier、Network audio amplifier，The described network switch respectively with described network audio server、Described network power amplifier、Described network audio amplifier network connects，Described network audio amplifier is connected with described network power amplifier by audio amplifier line，Described network power amplifier and described network audio amplifier have built-in SD card，Described network audio broadcast system accesses wide area network or by described network switch access to LAN by netting twine，Work as network failure,Automatically back-up system is cut,Synchronized to play by the built-in SD card of described network audio amplifier，Playback level is: Network Priority，Arrive the built-in SD card of network audio amplifier again,If above broadcasting all goes wrong,System cuts traditional broadcast system automatically，Synchronized to play by the built-in SD card of network power amplifier,Dual guarantee broadcast is not interrupted.
Description
Technical field
This utility model relates to broadcast technology field, is specifically related to a kind of network audio broadcast system.
Background technology
There is the listening broadcast system of two big types in the market:
1, the conventional broadcast system of the wire transmission of analogue type, the transmission of this series products uses the high pressure of 70v-100v to pass
Defeated, but apart from restricted, single line must not exceed 1000-2000 rice, wiring complexity, it is impossible to accomplish point-to-point, point-to-multipoint, cost
Higher, use monophonic output, audio visual effect is unbalanced, and sectorization broadcast listening has certain impact.
2, network audio broadcast system, occurs it solving apart from restricted problem in recent years, have employed digital signal and passes
Defeated, such as: optical fiber, netting twine etc., solve transmission and point-to-point, the problem such as point-to-multipoint, it is achieved that Digital Campus, all kinds of intelligence
Docking can be communicated between the platform of intelligent campus.
But, existing network listening broadcast system there is also some defects.The such as machine room sound when student examination
Frequently, after server fail or when the network switch breaks down, examination cannot ensure and carry out, and does not has the backup of slitless connection
System.
Utility model content
In view of this, it is necessary to for the problems referred to above, a kind of network audio broadcast system having back-up system is proposed.
This utility model solves the problems referred to above by techniques below means:
A kind of network audio broadcast system, including network audio server, the network switch, network power amplifier, network audio amplifier,
The described network switch is connected with described network audio server, described network power amplifier, described network audio amplifier network respectively, described
Network audio amplifier is connected with described network power amplifier by audio amplifier line, and described network power amplifier and described network audio amplifier have built-in SD card, institute
State network audio broadcast system and access wide area network or by described network switch access to LAN by netting twine, when network occurs
Fault, cuts back-up system automatically, the built-in SD card of described network audio amplifier synchronize to play, and playback level is: Network Priority, then
To the built-in SD card of network audio amplifier, if above broadcasting all goes wrong, system cuts traditional broadcast system automatically, by network
The built-in SD card of power amplifier synchronizes to play, and dual guarantee broadcast is not interrupted.
Further, described network audio server there are interfaces for external devices, mike to input 2 tunnels, circuit input 2
Road, circuit export 2 tunnels, network input port 2 tunnel, USB interface 2.
Further, the panel of the described network switch has 24 network interfaces, 24 road level indicating lamps.
Further, described network power amplifier has 3 road microphone inputs, 2 road AUX inputs, 2 tunnels promptly input, 2 tunnels assist defeated
Enter.
Further, described network audio amplifier supported protocol: ARP, UDP, TCP/IP, ICMP, IGMP, bass unit is 4 "
Speaker, voice unit is 1 " Speaker.
Network audio broadcast system of the present utility model has the standby system of slitless connection, when network failure,
It is effective to ensure that being normally carried out of listening.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is network audio broadcast system structure block diagram of the present utility model.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with accompanying drawing and
The technical solution of the utility model is described in detail by specific embodiment.Only it is pointed out that described embodiment
It is only a part of embodiment of this utility model rather than whole embodiments, based on the embodiment in this utility model, this area
The every other embodiment that those of ordinary skill is obtained under not making creative work premise, broadly falls into this utility model
The scope of protection.
As it is shown in figure 1, a kind of network audio broadcast system, including network audio server, the network switch, network merit
Put, network audio amplifier, the described network switch respectively with described network audio server, described network power amplifier, described network audio amplifier
Network connects, and described network audio amplifier is connected with described network power amplifier by audio amplifier line, described network power amplifier and described network audio amplifier
Having built-in SD card, described network audio broadcast system accesses wide area network by netting twine or accesses local by the described network switch
Net, works as network failure, automatically cuts back-up system, the built-in SD card of described network audio amplifier synchronize to play, playback level
For: Network Priority, the more built-in SD card to network audio amplifier, if above broadcasting all goes wrong, system is cut traditional automatically
Broadcast system, is synchronized to play by the built-in SD card of network power amplifier, and dual guarantee broadcast is not interrupted.
Network audio server
Network audio server is the core of system, have employed industrial design, master control chassis design, uses more than 10mm thickness
Alloy sheets heat radiation and strong-force exhaust system all done optimize design, the built-in design of human nature display interface, the work of 9.7 cun
Industry display screen, advanced touching technique, server audio software, support single-point multidrop network playback of media files, radio talk,
Automatic music is rung a bell: can arrange personalized music tone ringer, and long-range sub-control is talked, it is not necessary to broadcasting center, by with service
Any one the computer that device connects, just can realize the long-range control of broadcast, thus realize leader by computer remote to the whole district,
Subregion, packet speech, audio frequency is adopted in real time and is broadcast, it is possible to by private station, video recorder deck, CD player, MP3 player, Mike
The programs such as wind adopt in real time and broadcast Real Time Compression and become high tone quality data stream to store server, and can relay the most simultaneously specify
Broadcast terminal, is used for playing external equipment broadcast and broadcast notice etc., the free program request of subregion, web radio relay, paging intercommunication
Sound-recording function, calling talkback and recording, service house dog, when monitored system service is the most out of service, house dog will
Automatically restarting the function of this service, broadcast listening, alarm linkage, sports ground Wireless remote control, telephony access controls, program source
Unrestricted with data: system uses collection, website unlimited, supports that multicast function is adopted on 2 tunnels, can be extended to 4 road audio frequency No. 4 mikes
Adopt multicast function, have abundant interfaces for external devices, mike inputs 2 tunnels, circuit inputs 2 tunnels, circuit exports 2 tunnels, network input
Mouth 2 tunnels, USB interface 2；There is following function: terminal management, user's management, rights management, network node administration, file management, report
Police-spy's test tube reason, management map, the remote control management, service tray, recording storage, equipment routing inspection management, real-time condition display,
Including terminal operating status, corresponding gate inhibition's state, intercommunication state, listening state, the event of terminal information volume, terminal fault, system
Barrier initiative information prompting, designated terminal is initiated intercommunication, is controlled to attend a banquet microphone to selecting multiple terminals to initiate by the microphone that controls to attend a banquet
Paging, controls microphone of attending a banquet and monitors terminal, play prefabricated broadcast, select designated terminal is play pre-set conventional wide
Broadcasting content, access control carries out opening the door, door-closing operation, controls terminal plays volume, can lead to mobile phone system controls service packages control
System, controls volume program request specified partition with wifi or 3G, 4G network, needs to arrange button swift to operate according to user, can be certainly
Being controlled interface location size by adjusting, software can be used alone mouse or keyboard is controlled, and urgent music and microphone are also
Row output is to network, and the Internet telecommunication, communication session has recording.
The network switch
24 mouthfuls of network switch panels have 24 network interfaces, 24 road level indicating lamps, port type: 1000M；Port
Number: >=24；Gbps: >=240G；Packet Forwarding Rate: >=72M；Routing function: support three layers of static routing；Stackable, support
VLAN, support procotol, support STP/RSTP/MSTP, support Smart Link, network management function: CLI, SNMP, Telnet,
SSH etc..
Network power amplifier
Performance characteristics: carry energy-conservation detection module, controls power amplifier state automatically by signal input；When there being signal to input
Power amplifier is in running order；No signal 1 minute, power amplifier is in holding state, and under holding state, power consumption is only 6W, and unit realizes this
Function is without additional miscellaneous equipment；3 road microphone inputs, 2 road AUX inputs, 2 tunnels promptly input, 2 tunnel auxiliary inputs；1 road network is defeated
Incoming interface, a configuration port, the output of 100V, 70V level pressure or 4-16 Europe fixed-resistance output, 5 unit LEDs decibel meters, use advanced person
Highly efficient power amplifying circuit, each input channel independence volume controls；High and low tone control, output short-circuit, excessively stream, overload protection
Alarm；
Technical parameter:
1. auxiliary output: 600 Ω 1V (0dB)
2. input: MIC1.2.3:600 Ω 2.0mv, AUX1,2:15Kmv are uneven；
3. frequency response: 100HZ-20KHZ；
4. total harmonic distortion: less than 0.1%at1KHz, 1/3rated power；
5. noise ratio: microphone 1,2and 3:66dB.AUX1and2:70dB；
6. volume adjusting: bass: ± 10dB at 100Hz high pitch: ± 10dB at 15KHz；
7. protection: direct current output overloading；
8. sound function: the MIC1 that writes from memory input covers other inputs；
9. the type of cooling: air blast cooling from front to back, starts built-in fans during radiator temperature 45 degree
10. power supply: AC 220V/50-60Hz；
11. overall dimensions: 482*448*88mm；
12. net weight: 17Kg.
Network audio amplifier
High-fidelity solid sound, professional audio；Network transmits；Can play by right place；Wooden acoustic box, exquisite attractive in appearance, work
Skill is investigated, and modern sense is pure；Built-in system reset function, uses fixing static IP address, the address when network changes
Will not lose, working stability；Terminal suspension is restarted recovery time: less than 1S, terminal standby power: less than 0.3W, sample rate: 8K
～48KHz, audio format: MP3, total harmonic distortion :≤1%, transfer rate: 10Mbps, supported protocol: ARP, UDP, TCP/
IP, ICMP, IGMP (multicast), network delay :≤50ms, internal power amplifier power: 20W*2,8 Ω, network play by file
Time delay: less than 50ms, configuration mode: R232 serial ports and network interface, network delay :≤50ms, audio input interface: 10M
Rj45port, audio rate: 8kbps-320kbps self adaptation, bass unit: 4 " Speaker, voice unit: 1 " Speaker,
Built-in high-speed high capacity SD card, a road microphone input interface, a route road input interface, a microphone volume control knob, one
Individual total volume control knob, a road pair audio amplifier output interface, a road 100V input interface.
Network audio broadcast system of the present utility model has the standby system of slitless connection, when network failure,
It is effective to ensure that being normally carried out of listening.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, common for this area
For technical staff, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (5)
1. a network audio broadcast system, it is characterised in that include network audio server, the network switch, network power amplifier,
Network audio amplifier, the described network switch respectively with described network audio server, described network power amplifier, described network audio amplifier network
Connecting, described network audio amplifier is connected with described network power amplifier by audio amplifier line, in described network power amplifier and described network audio amplifier have
Putting SD card, described network audio broadcast system accesses wide area network or by described network switch access to LAN by netting twine,
Working as network failure, automatically cut back-up system, the built-in SD card of described network audio amplifier synchronize to play, playback level is:
Network Priority, the more built-in SD card to network audio amplifier, if above broadcasting all goes wrong, system cuts traditional broadcast automatically
System, is synchronized to play by the built-in SD card of network power amplifier, and dual guarantee broadcast is not interrupted.
Network audio broadcast system the most according to claim 1, it is characterised in that outside having on described network audio server
Connect equipment interface, mike inputs 2 tunnels, circuit inputs 2 tunnels, circuit exports 2 tunnels, network input port 2 tunnel, USB interface 2.
Network audio broadcast system the most according to claim 1, it is characterised in that the panel of the described network switch has 24
Individual network interface, 24 road level indicating lamps.
Network audio broadcast system the most according to claim 1, it is characterised in that described network power amplifier has 3 road microphones
Input, 2 road AUX input, 2 tunnels promptly input, 2 tunnels auxiliary inputs.
Network audio broadcast system the most according to claim 1, it is characterised in that described network audio amplifier supported protocol:
ARP, UDP, TCP/IP, ICMP, IGMP, bass unit is 4, and " Speaker, voice unit is 1 " Speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620640558.0U CN205754361U (en) | 2016-06-23 | 2016-06-23 | A kind of network audio broadcast system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620640558.0U CN205754361U (en) | 2016-06-23 | 2016-06-23 | A kind of network audio broadcast system |
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| Publication Number | Publication Date |
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| CN205754361U true CN205754361U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620640558.0U Expired - Fee Related CN205754361U (en) | 2016-06-23 | 2016-06-23 | A kind of network audio broadcast system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810141A (en) * | 2021-09-16 | 2021-12-17 | 深圳市芯中芯科技有限公司 | Multifunctional network radio based on CAT1 communication module and use method thereof |
-
2016
- 2016-06-23 CN CN201620640558.0U patent/CN205754361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810141A (en) * | 2021-09-16 | 2021-12-17 | 深圳市芯中芯科技有限公司 | Multifunctional network radio based on CAT1 communication module and use method thereof |
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| 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: 20161130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |