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What is a Lavalier Microphone?
Lavalier microphones are small microphones that can be clipped onto
a person's shirt to record their voice. They usually have their own
power source in the form of a small battery pack with one AA
battery. The small size of lavalier microphones make them ideal for
sit-down interviews as they provide a close perspective sound and
block out a lot of ambient sound such as traffic and wind. Many
lavalier microphones are omni-directional, which means that the
direction it is pointing is not significant. However, this also
means that it can pick up other voices or sounds from nearby, which
can distort the speaker's voice.
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Lavalier microphones are used for a wide
variety of productions, ranging from stage plays to film
sets, and are relatively inexpensive to purchase. They can
be wired or wireless, depending on production needs, and are
good for scenes that don't involve a great deal of movement.
If the person wearing the microphone is going to be moving
significantly, their clothing is likely to rub against the
microphone and cause static. It's a good idea for someone to
test the setup before use. An assistant can wear headphones
linked to the microphone to ensure that it doesn't begin
rubbing against fabric.
Also, the person wearing the microphone
is relatively limited as to how they can turn their head, so
as to avoid any distortions in sound. If used for film, it's
a good idea to use lavaliers in conjunction with a boom
microphone, to make sure that all relevant sounds are
recorded properly. The unwanted sounds can then be edited
during post production to achieve the desired result. |
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If you plan on using a lavalier microphone for a prolonged period of
time, it is a good idea to have a few extra batteries on hand, and
some good old-fashioned duct tape to keep it anchored in the right
position.
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