Audio output device layout in conference room.School audio sales

　　The echo reflection noise in the video conference room is more harmful to the conference, so it is proposed to control the noise within 50db spl. How to control the noise reasonably? Use an omnidirectional microphone or a fixed microphone. The omnidirectional microphone should have the functions of gain control and control, omnidirectional sound collection, etc.; the fixed microphone is generally one per person. The complete system software should meet the requirements of the meeting room as a standard, and minimize the negative impact caused by the application of too many microphones. In addition, the conference room must be soundproofed.

　　Interior decoration of meeting room

　　The wall by the window can use curtain cloth (cloth) with the actual effect of sound insulation to block the noise in front of the window. Among them, velvet cloth pleated curtain cloth or cloth curtain has the best actual effect. The indoor wall of the video conference uses a soft-packed background wall. It is best to lay carpets on the wooden floor to prevent excessive noise caused by staff walking; at the same time, it is not necessary to use natural marble walls as much as possible, because natural marble is very easy to reflect noise and endanger the actual effect of sound.

　　Switching power supply operation in conference room

　　Video surveillance equipment such as surveillance cameras and TVs should preferably use in-phase switching power supplies. MCUs, codecs, and surveillance cameras in key venues should use UPS power supplies. Appropriate internet jacks and corresponding 220v power plugs should be installed around the conference table.

　　The natural environment layout of the meeting room

　　The standard natural environment for video conferences, the temperature is 18-25 ℃. To maintain smooth convection heat transfer, it is not suitable for excessive heat transfer. The room should be equipped with special fire extinguishers for communication equipment as much as possible. Pre-buried no less than 2 Internet plug-in port numbers. Minimize indoor and outdoor noise as much as possible.

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