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　　Wireless Microphone, also called wireless microphone, can restore and amplify the sound. Compared with wired microphone, it is more convenient and more and more popular with consumers. It is widely used in KTV, audio-visual room and conference room. Perhaps so many people still think so: as long as the equipment, you can talk on it. In actual fact, if you do not understand its working principle and the use of precautions, it would not be able to really use the Wireless Microphone. Below, Wo sound engineering to share with you this knowledge.
　　How Wireless Microphone works:
　　Wireless Microphone is mainly composed of transmitting part and receiving part. The transmitter part is powered by a battery. The microphone converts the sound into an audio signal. After being processed by an internal circuit, a radio wave containing audio information is transmitted to the surrounding space. The receiving part is generally powered by the mains. The receiving antenna receives the radio waves emitted by the transmitting part and is processed by the internal circuit to extract the audio signal and send it to the sound reinforcement system through the output signal line, so as to complete the wireless transmission of the audio signal .

　　BY-WM5 Wireless Microphone
　　BOYA BY-WM5 wireless microphone is for use with DSLR cameras, camcorders. The 2.4 GHz GFSK system result in strong anti-interference, good security and stability.


　　After knowing its working principle, let us look at the wireless microphone to use matters needing attention.
　　 working distance and near effect

　　Normally, the working distance between Wireless Microphone and mouth is 750px - 1000px. If the distance is too long, the echo will increase and the noise will increase relatively. Working distance is too close, because of the signal is too strong and distorted, low frequency sound too loud and affect the clarity of the language. This is because there is a "proximity effect" on directional microphones, which means that low-frequency sound can be significantly improved when broadcasting in close range. However, sometimes singers intend to use "near talk" to make the singing more wonderful and pleasant.

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