<quote who="Conrad Parker">

> > 8. Review of May meeting
> > 
> >  - speakers are using the lapel microphone bought for the video camera,
> >    but the long cable to the camera introduces quite a bit of noise to
> >    the microphone signal. We really need a box to boost the signal level
> >    so that the noise is not noticable, and drop it back to microphone
> >    levels when injecting into the camera.
> 
> The noise you're getting is only because the long cable is physically
> attached to the microphone. If you could separate these then movement of
> the cable against the floor wouldn't be audible -- eg. plug the mic into
> a mixer on the lectern, then run a normal audio cable from the mixer to
> the camera. Another advantage of this approach would be that the computer's
> audio output could also be plugged into a mixer channel. If you can't use
> the lectern's inbuilt facilities you may need to buy a cheap 2 channel
> mixer for this (prolly < $100).
> 

There is some element of that, although it's acceptable. The main noise
we're talking about seems to be constant interference, and I think it's due
to the long cable run across the floor carrying an unbalanced signal at 
microphone levels. Using the lectern system will help, as we'll be able to
send the signal at line levels instead. We'll still need something at the
camera end to mix in the 'audience' microphone, and set the output to an
appropriate level for the camera input.

J.
-- 
Jan Schmidt                                  [EMAIL PROTECTED]

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