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Mini Jack Lavelier Picking Up Radio Station

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Norm Kaiser
Mini Jack Lavelier Picking Up Radio Station
on Mar 20, 2014 at 12:51:44 am

Hello, all. I have a lavelier that I plug directly into my camcorder. I have a problem in some locations, though, of it picking up radio stations. Is there something I can do? Some filter I can install?

Thank you!


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Eric Toline
Re: Mini Jack Lavelier Picking Up Radio Station
on Mar 20, 2014 at 5:23:07 pm

No not really. You have a location problem. If you were using a wireless system you could scan for a clear frequency but you don't have that choice with a hard wired lav into the camera.

Eric

"I push the RECORD button and hope for the best"


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Ty Ford
Re: Mini Jack Lavelier Picking Up Radio Station
on Mar 21, 2014 at 4:25:12 pm

Hello Norm and welome to the Cow Audio Forum.

I assume your lav is unbalanced. For you and other readers that may stumble on this thread, this is precisely why balanced audio connections are preferred. They are much better at rejecting rf than unbalanced connections.

You might try some of those clamp on rf supressors on the mic cable, but no guarantees there.

http://www.rfsafe.com/product/rf-safe-headset-radiation-wireguard-clamp-fer...

If you do, please come back and let us know if or how well they work.

Regards,

Ty Ford
Cow Audio Forum Leader

Want better production audio?: Ty Ford's Audio Bootcamp Field Guide
Ty Ford Blog: Ty Ford's Blog


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Barney Fitzpatrick
Re: Mini Jack Lavelier Picking Up Radio Station
on Apr 14, 2014 at 11:17:55 am

Hi, You could try looping the audio cable through a ferrite ring to reduce the effects of RF pickup.


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