The same-frequency interference means that the frequency of the interference signal is the same as the carrier frequency of the FM signal of the wireless microphone, causing interference to the FM receiver receiving the wireless microphone signal, resulting in the demodulation of the handheld wireless microphone actor in the beautiful audio signal on the scene. Squeaky noise, severe sounds or even other people's voice signals. If such a serious mistake occurs at an important large-scale performance site, it is a regrettable life. Therefore, we must go all out and do a good job of prevention.
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