General Question

goose756's avatar

What kind of microphone setup is ideal for this situation?

Asked by goose756 (655points) October 16th, 2009

I work with a company that films educational courses for online curriculum. Basically we have filming studios where a teacher/professor will be filmed giving a lecture.

Right now we are using a clip on microphone, but this poses problems as its not always easy to attach, it gets bumped during lectures, and whenever the user looks down at notes they talk directly into it and it gets louder.

I’m looking for a microphone solution that will be stationary, but still functional. It can’t be in the shot so it either has to be on some sort of table stand, or hanging. I also want to take into account that the teachers sometimes move around, so maybe dual microphones on either side of the filmer to make sure the volume doesn’t change too much?

If you have a link of your suggested product that would be great!

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6 Answers

aprilsimnel's avatar

Elevated uni-directional boom mic on a stationary pole and extender?

Fred931's avatar

My church uses almost invisible microphones that the pastors and band members have in their ears. I have not worn one myself, but if it works for a church sermon, it’ll work for a lecture.

goose756's avatar

@Fred931 this is a good idea, however we have several filmers using the same two studios, and this wouldn’t be very sanitary.

Fred931's avatar

I think this is what they look like. Notice how they don’t actually don’t go in-ear.

DarkScribe's avatar

As most TV studios have successfully used clip on mikes for decades I would suggest that you are doing something wrong. A good setup has AGC/AVC and that should eliminate volume changes provided you have sufficient initial gain. How are you transmitting from the clip-on?

sndfreQ's avatar

You could go for boundary microphones:

They tend to pick up sound from a narrow angle and are generally very open sounding (they don’t suffer from proximity effect in most cases). One on the podium, and one in the same general vicinity off-axis; that way you have even coverage. The only rub is, if you have multiple mics, you’ll need a mixer and someone to monitor where the speaker is, otherwise you’ll run all the mics at the same level (which may increase the noise floor).

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