Campus Intelligent Broadcast System Integrated Solutions
Customer requirements:
Our school is a new high school, into the main teaching area, office, dormitory, playground, library, cafeteria, a radio system is proposed, specific requirements are as follows:
1. A total of 80 classroom teaching to achieve the six sets of programs broadcast simultaneously to ensure the six grades at the same time to listen to their broadcast content.
2. Broadcast Room can broadcast to any one classroom.
3. Any English teacher can teach the same lesson for himself hearing a few classes at the same time training or examination.
4. No matter how the change in the classroom can be achieved for each partition the broadcast year, to achieve hearing exams, PTA meetings, etc..
5. Office, dormitory, playground, library, canteen needs to have broadcast, and can be a separate broadcast
Office building 3-tier corridor 80 meters long,
5 layers 2 quarters, the corridor length 100 m
Playground playground for the standard 200 * 100 square meters,
Library Building 3rd floor, 500 square meters / level
Canteen of a 800 square meters
6. Radio room and request an emergency such as fire, major accidents, power failures, etc., can be an emergency broadcast.
7. In the President's Office need to pay for construction of a control system so that when an emergency, important or principal of the school speech cases, the principals in the office can realize the control of the broadcasting system.
Please design a program and list the equipment list.
Requirements Analysis:
1. According to the teaching area required 6 sets of programs simultaneously broadcast needs, classroom design with FM broadcast, the system can also play more than 60 sets of programs, when schools want to expand the same time playing to the program, without re-wiring, simply purchase front-end equipment can be, so a FM radio system, front-end program source easy to expand to meet increasing school demand for voice instruction. At the same time in the classroom side would also have to receive 60 sets of programs, the classes can be chosen to listen to different programs. The system needs six sets of program source, we designed 3 sets of 3 sets of digital audio and analog audio.
2. Broadcasting room can be broadcast to any one classroom, asked radio system with addressable features, using gold step video company GMTD-FM FM broadcasting addressable system, its multi-channel playback, addressable Play, Auto Play all channels receiver, full-function remote control and other functions, in the teaching area of 80 classes each classroom to install a GMTD-FM FM addressable speaker, while also achieving a free packet radio.
3. In addition to teaching outside of the office, dormitory, playground, library, canteen needs to have broadcast, and can be a separate radio, intelligent design with gold step video broadcasting system partition constant pressure, the specific area are as follows:
Area: Office Area 2 District: Three quarters of areas: playground four areas: library five areas: cafeteria
4. Radio program speaker design:
(1) within the classroom: GMTD-FM FM addressable speakers, one for each classroom, a total of 80.
(2) a district office area: within the corridor wall with passive speakers, in the corridor length 1 / 3 and 2 / 3 to install a 3-10W speakers, be linked to two on each floor, a total of three 6 , office area for the total power: 60W.
(3) quarters of the second district are: within the corridor wall with passive speakers, in the corridor length 1 / 3 and 2 / 3 to install a 3-10W speakers, be linked to two on each floor, a total of two 5-story 20. Chief quarters power: 200W.
(4) Standard playground: 200 * 100 square meters, 60 meters along both sides of every outdoor installation of a Sound Column 60W, distributed way: a long side of the hanging three, two short sides each one. Playground area power: 300W.
(5) Library: The ceiling ceiling speakers, ceiling speakers 3W installed on each nine, three were 27, the total power 81W.
(6) a 800 square meters dining, 6W ceiling speaker installation 12, the total power of 72W.
5. Broadcast emergency room requests can be broadcast, broadcasting control room host can always manually switch to broadcast emergency and temporary radio broadcasting, FM radio part of the classrooms equipped with audio-side insert, and when the emergency, through the insertion device to an emergency plug into the radio signal strength for all channels, while Vice President in the main control room control system can also be the case of unattended at any time to switch to an emergency broadcast, the radio room and the principal's office each equipped with a UPS power supply, delayed for half an hour ensure that emergency power for emergency situations can be broadcast.
6. Principal Deputy control system is designed to use the LCD touch screen control of a principal speech and emergency broadcast system, equipped with a preamplifier, a conference microphone, an LCD touch screen controller, a UPS power supply design is simple, easy to operate.
7. Master multi-channel digital broadcasting system control computer, the system also can output 3-way digital audio broadcasting, at the same time teaching area on request (using the FM broadcast), other areas (with constant pressure broadcast) for computer control .
The main function of the system can be realized:
Multi-regional player stereo receiver's power management all channels Vice President tone control
Fixed-point multi-channel digital playback authorization management full-function remote control Play hearing test emergency broadcast
Multi-channel playback of regular FM broadcast transmission cable lock key ring PLL frequency stabilization background music LCD touch screen control
Walkthrough Play table unattended playback control LED display of multilingual teaching audio frequency of spots
System Equipment List
Project
Specification
Quantity
Main Control System
GMTD radio playback control unit, communication control card, auto player,
Sub-control software.
1
Division Controller
GMTD-8DV (8 Road area, manual / automatic)
1
Insert the audio device
NES2000-A16
1
Constant pressure amplifier
PA2025II (250W) (office, library, cafeteria share a platform with a single dormitory)
2
Constant pressure amplifier
PA2035II (350W) (with playground)
1
Audio Modulator
American PBI-3000FM
6
Mixer
American PBI-4016C
1
Audio Distributor
Quarter of the 16
2
Broadcast Cabinets
1.8 m, 19 "steel
1
Microphone
EC-200 (3 δΈͺ amplifiers each with one of the vice president charged with a)
4
UPS Power Supply
3000VA can be delayed for 30 minutes
1
UPS Power Supply
500VA to 30 minutes delay
1
Preamplifier
PA-2181P (President, Vice-controlled distribution)
1
LCD touch screen
GMTD-GBS LCD touch screen controller (control with Vice President)
1
Audio program source
Deck, CD machine, DVD machine, AM / FM tuner, users choose according to actual needs
3
Addressable FM Speaker
GMTD-FM (all channel receiver, remote control)
80
Passive Speaker
WL-356 (3W, 6W, 10W choice, Molded Wall)
26
Passive Speaker
WA-111 (3W/6W, ceiling ceiling speaker)
39
Outdoor Column Speaker
WS-484 (30W/60W)
5
Cable Wire
Network cable, audio cable, connector, etc.
System topology
Beijing Jin Mai Video Technology Development Co., Ltd. to provide more solutions, please visit www.gmsx.com.cn
010-62960164,62960174,62960184 turn 808
Email: gmtd@gmsx.com.cn