The working principle of the wireless microphone
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by: Shure Microphones
The sound of the acoustic waves with a microphone to convert audio signals to FM's way into a high frequency signal modulation, and launch out to space through the antenna. Receiver, the use of an FM receiver, with antennas to receive the carrier signal and after high up, demodulating, in place, the proportion of frequency discrimination, pre-level, amplification, and finally output an audio signal.
Wireless microphone from the structure can be divided into two categories: First, lapel. Wireless microphones in use, the microphone clipped the very first in the collar with the collar or pinned in the jaw parts of clothing, suitable for use in the arts arena. Such as opera, drama, opera performances, the main actors often wear this microphone; second handheld microphone close to speak for the host and the popular pop singers use. Two wireless microphone receivers are the same.
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