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We are having a strange problem with our set of Audio Technica 1800 series wireless lavs.

It seems as though the amplitude of the sound is jittering up and down by a few db. It throws the dynamic of the vocal and makes it difficult to listen to. It sounds like some awful auto-gain.

Incidentally, sometimes there is white noise that comes in and out with the vocal - kind of like room tone when you have an expander on too hard.

The buildings we are in do tend to have a lot of wireless devices transmitting and receiving but we've tried changing frequencies a few times to no avail.


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migrated from Jan 24 '14 at 12:01

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I have seen this sort of thing happen on devices that don't have enough built in protection from interference. I ended up having to ditch my old kit as it just didn't cope any more.

You could have a look at folks like Skytronic - disclaimer: I didn't end up buying this one, although it did appear to meet my interference requirements. I ended up just staying wired for now.

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