Quote:
Originally Posted by James May
I'm surprised no one has wondered about the need for a dual mic setup. Let's see now, some possible reasons could be:
- redundancy
- better left-to-right head tilt coverage
- stereophonic capture in cases where speaker is talking out both sides of the mouth at the same time
- what else?
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One mic is a media feed, the other goes to the public address system. They can also be used for redundancy if one goes bad with a splitter, but in general, we are just hearing one of them.
Donald Trump used just one mic (with a splitter for media and PA) with a longer gooseneck for more proximity effect.
Biden is back to the traditional dual mic (separate media and PA) system.