1. Project Overview:

Beijing Chen Jinglun Middle School is a national public school. It was founded in 1921. After donation and reconstruction by Hong Kong entrepreneur Mr. Chen Jinglun in 1991, it was named Beijing Chen Jinglun Middle School by the municipal government. In 2002, it became the first batch of "model ordinary high schools" in Beijing. Jiaming Branch is located in Jiaming Tongcheng Community, 500 meters north of Xiaoying, North Fourth Ring Road. It covers an area of ​​more than 30 acres and has a construction area of ​​12,525 square meters. The construction scale is 36 teaching classes, which can accommodate from the first grade of primary school to the ninth grade of junior high school The students of all ages in the nine-year compulsory education stage are a modern urban school with beautiful campus environment, advanced education and teaching facilities, excellent teaching staff and first-class teaching quality. Physics, chemistry, biology, geography, history, art, calligraphy laboratory and dance room, library, science and technology activity classroom, teacher reading room, music room and other professional classrooms are available. In addition, two outdoor standard basketball courts , An indoor standard basketball court, standard volleyball court, outdoor shaped plastic rain playground and other facilities to provide all students with adequate sports venues.

2. Project requirements:

1. There are a total of 50 classrooms and offices in the school. Multiple sets of program sources should be played at the same time to ensure that each grade can listen to their own broadcast content at the same time, which can meet the function of simultaneous examinations in different grades.

2. When the classrooms of each grade are adjusted, it is still possible to group broadcast a grade or several classes in any combination to achieve listening tests, hold parent meetings, etc., without readjusting the wiring.

3. It is required that the broadcasting system can automatically play the bells for classes, radio gymnastics, eye exercises, etc. regularly according to the school schedule.

4. Any English teacher can conduct listening training or exams for several classes taught in the same class.

5. Set up a remote broadcast control system between the playground and the broadcast room, so that the host teacher can freely control the broadcast of the broadcast during class operation.

3. System function:

1. Timed music ringing (ringing after class and music playing)

The system can automatically turn on and off the power of the equipment according to the settings, and multiple sets of work time are programmed 24 hours a day (accurate to seconds). Humanized music ringtones, inter-class exercises and automatic broadcast of radio programs. Different ring tones and rest times can be set every day to play campus songs and flag raising, inter-class exercises, eye-safety exercises, etc., enriching campus life. The schedule of work and rest can be automatically adjusted according to spring and autumn, and provides special configuration options for sunny and rainy days and holidays.

2. Multi-source playback

During school English exams, the corresponding English exam themes can be played for different classrooms. Normal music can also be played in the outdoor area, and the internal and external partitions can be played. The background music of the whole school can be played in partitions or in all areas. You can flexibly set the area to be played.

3. Scheduled playlist

According to the teaching and management needs of the school, the system can pre-arrange the day and week playlists. The daily playlists can be set arbitrarily and are not limited by the time period and length of time. It will automatically judge the day of the week, and then automatically play according to the arranged playlist, which can store, modify and edit the playlist.

4. Play temporary radio

If the school has temporary broadcast content to be broadcast, such as finding people, lost and found, and school leaders' announcements, etc. You can end the auto play state at any time and enter the manual play state to play.

5. Unattended

The broadcast control host (computer) can automatically switch on and off, automatically identify the day of the week after turning on each day, and then call the playlist of the day to automatically play, realizing unattended operation.

6. Personalized editing of music tracks

The multi-channel digital broadcast broadcast control system has built-in music editing software, which can record broadcast content according to school management needs, such as personalized music ringtones recorded by students.

7. Play different content in different areas at the same time

When different power amplifiers are configured in different areas, different contents can be played in different areas at the same time, such as: different laboratories playing different experimental steps, operating rules and precautions at the same time.

8. Simple operation

Easy to operate, intuitive display, real-time display of current working status, good man-machine dialogue interface, beginners can easily master without professional training, easy to understand, easy to learn and easy to operate.

9. System expansion and upgrade

There is no need to re-lay lines and add equipment from the control room, as long as the terminal server is added down on the original line.

4. List of system equipment:

Item specification quantity remarks

Host computer popular configuration 1 local purchase

Main control software GMTD-BCS main control software, multi-channel broadcast automatic broadcast software, 6-channel professional sound card, ringtone music library, communication control card, etc. 1

Microphone BK-240, gooseneck conference microphone 2

Wireless microphone GM-9100U1

Wireless on-demand equipment GMTD-YK1

Preamplifier GM-8601A

Pure power amplifier GM-8660P (660W) 2

Addressable controller Jinmai Video GMTD-XZQ, remote full-function addressing control 50

Indoor wall speaker GM-356, 3W / 6W50

Outdoor sound column GM-418, 40W / 60W16

Broadcast cabinet 1.6m 1 local purchase

Cables, twisted pairs, audio cables, and power cables are calculated based on actual conditions

Construction commissioning fee

V. System topology diagram:

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