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Have any of you had any experience with recording in frosty weather?

I made a recording with my zoom h2 the other day, and i've got these very weird sounds, that almost sounds like the internal mics are reacting to the cold. Is this normal, and what can one do to prevent it, other than stay inside

I made another recording with a couple of shure wl183 mics, but haven't heard it yet. I hope they can manage to record outside, at least better than the zoom.

Could be condensation, was it a crackling or occasional popping?

It almost sounded like a knock on a tinplate.

It's like some material in the mics are bending, due to temperature change.

Intriguing, can you upload it?

Yes, here http://www.freesound.org/people/Kyster/sounds/171754/

Contraction of something probably, casing possibly?

Benboncan wrote:
Contraction of something probably, casing possibly?

I would guess so too.

I will have to listen to the sample when I get home (at work now) but it is either condensation, which can do funny things with condencer microphones, or something moving from the cold and settling in. Best thing to do if you want to record in cold weather would be to aclimate the microphones/recorder first, so there arn't any sudden temperature changes (watch our for condencation!). I have made recordings in 13F temperatures with no problems, but the mics and al the gear had been there for weeks (unheated garage that is no longer sealed well and there is a large gap where one of the wheels is missing from the door. It's where my band practices, thankfully I can wear gloves and drum, feel bad for the bass and guitar players though).