IP network public broadcasting system
Update：2018/6/21 23:02:08
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- Model IP network public broadcasting system
Introduction
Overview of SunRing public broadcasting system
SunRing IP network public broadcasting system is a set of audio amplification system based on network transmission, which can be used in the same segment of LAN, the cross-gateway LAN or the Internet network.
The combination of network server and network adapter software and hardware ensures the stability and reliability of IP network public broadcast.
IP network broadcast system is the public broadcasting by the IP network management center (software or hardware host), network adapters, network audio terminal, constant voltage power amplifier, speakers, speakers, column, etc.
System adopts high speed 32-bit ARM processor and a 16-bit DSP professional audio processor, classic audio power amplifier, low latency (0.1 s) sound quality (20-16 KHZ), support various audio formats of data network transmission (MP3, MP2, AAC, WAV), perfect network adaptability, real-time support external audio coding at the same time, with: directly across the gateway and the core routing switch function, support Internet radio, fire linkage system upgrade can be realized at the same time, strong fire cutting, and other functions.
Traditional broadcasting, generally using audio or FM mode.
Audio broadcasting is affected by voltage, power, impedance and other factors. The transmission distance is short, the frequency is low, it is easy to be interfered and the system has poor expansibility.
FM radio introduces noise in modulation and demodulation, and the aging of equipment and frequency offset will also lead to signal distortion.
Controlled intelligent broadcast based on audio and FM transmission, restricted by transmission mode, can only be controlled by partition and grouping.
Lack of independent program source, so that broadcast function can not meet personalized application needs.
IP network broadcast solves the problems of short transmission distance, poor sound quality, complex maintenance management and poor interactive performance in the traditional broadcasting system.
IP network broadcast can be based on the existing computer network construction, installation, without the need for a separate wiring program based on IP network transmission, each broadcast point can have separate radio programs, provides feasibility for broadcasting is introduced into the daily broadcasting.
Different from traditional audio frequency modulation and controlled intelligent broadcast, it is a pure digital network broadcast in the real sense.
Applied to network construction, not only realize audio broadcast, video surveillance, computer network of the nets, the personalization and intelligent product design, make a long stay in concept of network and the real purpose of practical application.
In general, the local area network bandwidth is 100Mbps or 1000Mbps. According to the bandwidth of each set of programs, the network can transmit dozens or hundreds of programs at the same time.
In practice, may not need hundreds of sets of programs transmission at the same time, only by simple calculation, it can be seen that the current network environment there is a big margin, audio transmission on the network conditions are ripe.
No matter where you in broadcasting, build what kind of the structure of the network, as long as the basic protocol based on TCP/IP network, can realize Internet radio, widely used in: universities, primary and secondary schools, intelligent building, highway, railway stations, shopping malls, large and medium-sized factories in...
Digital IP network public broadcast has the following most prominent characteristics
harmonization
IP network broadcast USES a unique cd-quality data file format to convert sound sources into data files and transfer them to network adapters.
The whole process digital transmission avoids the signal attenuation and noise of traditional audio broadcasting and provides high fidelity sound.
Student loan terminal personalization
IP network broadcast is based on IP data network, each network broadcast adapter can have a separate IP address, can have a completely personalized program.
Harmonica front end network
IP network broadcast extends the front-end sound source to the entire network, and the regular broadcast of programs can be controlled remotely through the network, managed by the network, and different permissions can be set for different users.
Student radio broadcasting automation
IP network broadcast can realize automatic playback and specify the playback time for each program. The server will automatically play the program, and the content and object range can be specified at will.
Student loan humanization
IP broadcast provides humanized graphical menu interface, humanized operation, easy and convenient, exclusive and practical, and improves the efficiency of use.
Student loan application intelligence
IP broadcast has a lot of intelligent design, which can realize voice functions such as recording, variable speed, list loop playback, etc.
It can also realize timing setting and automatic broadcasting.
And can arrange, maintain and manage remotely.
Cef project simplicity
IP network broadcast engineering is simple, for now have a local area network (LAN) each IP broadcast point, you just need to increase radio network adapter installed, if there is no set up the network, the quantities of data network is relatively simple, you just need to laying cable, once the construction, radio system and computer network system can share, reduce network more redundant construction.
Student loan system zero maintenance
IP network broadcast is physically Shared with the network, so no additional maintenance work is added to the network maintenance.
In application, the system can set independent network segment and computer system separation, each network broadcast adapter embedded system program solidification, will not be infected by virus.
The system as a whole is stable and reliable with little maintenance work.
Function of SunRing IP network broadcast system
Partition radio
Broadcasting by computers to multiple terminals, districts and districts;
At the same time, the desktop microphone terminal can also broadcast to other terminals, partitions, whole area (excluding this terminal).
Scheduled broadcast
IP network broadcast every network adapter with independent IP address, can receive the server alone personalized time broadcast, timing of the operation, also can through the computer set upload programs on the Internet.
Leading online speech
IP network broadcast can realize online speech, leadership need to broadcast centre, by any one computer connected to the system server, you can via computer microphone to realize remote address, to the entire district, partitions, grouping.
Online radio transmission
IP network broadcast radio software through the network can be received the Internet radio is converted into IP network broadcast data format, the voip terminal real-time playback, such as the voa, BBC, CNN and other domestic specialized language radio, etc.
Real-time audio acquisition and broadcasting
IP broadcast live broadcast function, to be able to: use radio, tape recorder holder, CD player, MP3 player, a microphone programs such as real-time acquisition real-time compression into high quality data stream storage to the server, and can broadcast at the same time as required to the designated network adapter, used to spot an external program broadcast and broadcast announcement, etc.
Automatic music ring
IP multicast can personalize music ringtone, automatically according to the arrangement good schedule rings, schedule can be in accordance with the age season automatic adjustment, and provides the sunny or rainy days, holidays special configuration options.
Free on demand
The remote control can be used to control the network adapter distributed at each point to complete any multicast of the database in the audio server.
The operation is simple and convenient, only need to use the infrared remote control to select the corresponding program content, play can.
Audio trigger startup device
A network adapter for IP network broadcast that provides an audio trigger interface or a built-in trigger power.
When the voice of broadcast speech and music are connected to the network adapter, the power of the amplifier or active speaker can be switched automatically according to whether the voice signal is present or not, or other devices can be connected to broadcast normally.
Digital audio source library
The system resource server can store music programs or voice programs for thousands of hours or more.
Users can expand storage space or change servers, or improve system performance, depending on the circumstances.
Fire alarm broadcast
Combined with the fire intelligent interface to receive the fire short circuit signal, the alarm mode can be set in advance on the server software to carry out the fire linkage function.
Program playing mode and volume adjustment
Each playback function of the system has the function of program playing mode and volume adjustment.
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