In today's era of extremely rich material products and extremely active cultural life, many enterprises and institutions have many entertainment or group activities. In the media and entertainment circle, there are TV program production, large-scale singing and dancing performances, concerts, major events and other activities. In these activities, I believe that wireless microphones are always indispensable. Wireless microphones have gradually replaced due to their superiority and convenience. Wired microphone.
The wireless microphone is transformed from sound to electrical signal, and then transformed into high-frequency radio waves, and then received back to demodulate, amplify, and restore to sound. The whole process has many and many links, one link did not notice, may It can still work, but its stability and working range will be reduced a little. If it is not noticed in another link, it will be reduced a bit, and the scope of use will be reduced. So accumulated, there are loopholes in multiple links at the same time, and the wireless microphone is not Interference is "running frequency", and it cannot be used normally even at a close distance. On the contrary, every link has noticed that the anti-interference ability of the wireless microphone will be greatly strengthened and the stability will be greatly improved. Even if the use distance is very far, even beyond the use range specified by the manufacturer, it can be used normally.
The following are some issues that should be noted in the selection, operation and use of wireless microphones.
1. Selection of wireless microphone
If the requirements for sound quality are not high, the budget is limited, the distance of use is not more than 30m, the movement range is not large, and the number of microphones is not much. Generally, wireless microphones of quartz oscillation type and single reception can be selected. Polar body and other types.
In small theaters, theaters, multi-functional conference halls, etc., due to the large movement range, complex reception conditions, and high requirements, it is recommended to use PLL frequency synthesis type wireless microphone. The microphone head can be selected from the capacitive or dynamic coil type. For special requirements, other types of microphones can be selected.
In large theaters, stadiums, studios and other places with high requirements, it is recommended to choose a diversity wireless system with PLL frequency synthesis receiving technology. Due to the large number of microphones in these occasions, the complicated receiving environment, and the wide range of use, auxiliary equipment such as antenna amplifiers, distributors, and antennas should also be configured to improve the use effect and obtain better wireless signals.
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