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Q: smart phone and lamp is open video will appear in the same environment noise

Source:problem   Published time:2016-04-16

A: This is due to the intelligent monitoring lights the microphone to the phone's speaker replay sound repeated pick up form the positive feedback,This kind of same frequency sound signal leads feedback amplification circuit, produce the noise, it is a normal phenomenon of electroacoustic.Because this product actual usage scenarios for remote viewing, and phoneESUNIntelligent Monitoring lamp is not in the same environment, it won't appear this kind of noise.If in the same environment can be avoided by using proposed to mobile phone mute or to reduce the volume the noise.


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