Reply to Re: audio to video

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Posted by Bill Fright on 08/27/07 16:21

Rick Merrill wrote:
> I am feeding from a audio board/console only designed for a *line*
> output not a mic output.
>
> The video camera is only designed for an external *mic* input with AGC
> on (and does not have a line input nor AGC off).
>
> The wire from the audio board to the camera external audio input is
> about 24 feet long and is unshielded.
>
> We experience noise on the camera that 'breaths'.
>
> What approach would you suggest?



The breathing you're hearing is the AGC. It raises the gain (and noise
floor) during low levels and lowers gain (reduces noise floor) in high
levels.

You can buy this box

http://www.broadcaststore.com/store/model_detail.cfm?id=16659

or something similar.


I'd do anything possible to disable the AGC as well.

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