How to Compare Wireless Lapel Microphones
Lapel microphones offer you freedom of movement, as they clip onto the lapel of your jacket or shirt and project your voice without the use of cables. Lapel microphones usually transmit on UHF or VHF frequencies. Because of this, some lapel microphones might not work as well as others.
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Directional Properties
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Microphones pick up voice vibrations differently. When comparing a lapel microphone, decide if you want an omnidirectional (picks up sound from all sides), unidirectional (picks up sound from one side) or bidirectional (picks up sound from two sides). Choosing the right directional microphone helps eliminate any outside interference or noise.
Frequency Range
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Knowing how you will use your microphone allows you to choose the best one. Lapel microphones are usually vocal microphones, which means they are optimized to pick up and project voices. This frequency is different than the frequency of a musical instrument. Higher frequencies mean that the sound feeding into the microphone will be exaggerated, while lower frequencies will sound more natural.
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Obstacles
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When setting up your lapel microphone, make sure you set the receiver in a place that is free of obstacles. Things such as metal chairs, podiums and other electrical devices can cause interference. Microphones work on either the UHF or VHF frequency. The UHF frequency is the same frequency used to broadcast public television signals. Since the conversion to digital TV, more channels are now available on the UHF frequency, which means less interference.
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References
- Photo Credit business suit lapel image by sparkia from Fotolia.com
