Industry Information  Industry Information
Large-scale lecture hall audio and video system sc
2021-11-20
Whenever we have a meeting in the conference room, do we have to turn on the computer, computer, speaker, large screen, etc. one by one, and if we watch video clips, we have to close the curtains and dim the lights...... In these cases, it is particularly important to have a set of central control equipment in the conference room that can centrally manage these audio and video devices and control the meeting agenda at the same time.
What can the central control equipment in the conference room help us control?
The central control system refers to the centralized control of the equipment used in various conference rooms such as sound, light, electricity, video and communication. It is commonly found in large lecture halls, multimedia conference rooms, command centers and smart homes.
Large-scale lecture hall application scheme.
GEFFEN Geffen large lecture hall application solution includes central control system, pickup system, singing system, sound reinforcement system and video system.
1. The following control functions can be realized through the central control equipment of the conference room:
(1) The on/off of projectors, large screens, and TVs, and the lifting and stopping of electric projection screens.
(2) Switching of various videos and computer signals, etc.
(3) On/off of audio equipment and lights.
(4) The recording switch of the high-definition recording and broadcasting host.
(5) Volume adjustment of sound reinforcement equipment.
2. The pickup system adopts a wireless conference system to meet the actual needs of the tables and chairs of the lecture hall that are not fixed.
3. The singing system adopts a true diversity high-fidelity performance wireless microphone, and the supporting antenna amplification system receives a more stable signal, and the receiving distance can reach 150 meters without frequency drop.
4. The sound reinforcement system is composed of mixer, power amplifier, digital audio processor, line array speaker and other equipment;
5. The video system is composed of remote video terminals, TVs, large screens, projections, recording and broadcasting systems, high-definition video matrices and other equipment.
6. The overall scheme is mainly used for reception, news release, large-scale conferences, academic reports, and has the function of holding theatrical performances.



Product recommendations
GF-NCC full network programmable central control host

1. The whole network is programmable, and the control interface can be customized according to the needs.

2. Provide 2 LED dimming ports, adjustable LED light on, off, bright and dark.

3. Provide 20 independent optional RS-232/485 programming control ports, which support 4 channels of two-way data transmission.

4. It has 1 weak current relay port, which can control the opening/closing of external equipment.

5. It has 2 channels of 12V power supply and 1 channel of 5V power supply, which can supply power to other equipment.

6. With 2 Ethernet ports, support wired/wireless touch screen to control the host.


GF-SPMS8 Programmable Distributed Power Management Host

1. Support sequential switch function or single-channel independent switch function through panel buttons;

2. It has timing on/off and single-channel independent on/off indicator, and the switching status of 8 channels is clear at a glance;

3. The device ID can be set through the software, and multiple devices can be cascaded through the RS-485 cascade port to realize the simultaneous start and shutdown of multiple devices with one click.



A set of professional and stable conference room central control equipment can bring high work efficiency and controllable meeting environment to the conference room. If you also want to configure the central control equipment in the conference room, please visit the official website of GEFFEN Technology.


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GEFFEN is specialized in processinghigh definition video signals for years. wehave developed and produced a series ofpro video devices, including signalconverter, multi-viewer, optical fiberconverter, signal distribution amplifiersignal generator and matrix switcher, etc.
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