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CCTV Microphone Application
CCTV microphone is a gadget for pickup the sound of the live surroundings and then transmitting it to the backend system like DVR or NVR. It is composed of a mic and an audio amplifier circuit. CCTV microphone is commonly divided into digital CCTV microphone and analog CCTV microphone. Sound monitoring is a sound sensing machine that converts analog audio indicators into digital alerts and performs corresponding digital signal processing through digital sign processing systems. The analog audio microphone genuinely makes use of a prevalent analog circuit to enlarge the sound accrued by means of the microphone. 

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