Re: Audio soundtrack on MiniDV tape corrupted by EMF noise, how do I wipe the noise off to get the underlying soundtrack?

On Thu, 27 Sep 2007 08:53:18 -0400, Harry Syme wrote
(in article <EoWdncs6oe3MNWbbRVnyvgA@xxxxxx>):


"Cymbal Man Freq." <Don't Bother@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
message news:46f9f2b4$0$18993$4c368faf@xxxxxxxxxxxxxxxxx
I recorded a concert of sorts yesterday using external mics plugged into a
mixer
which had a mic level output and that plugged into the mic input on the
camcorder. I have done this before without any problem like this. The
concert
was in a hotel ballroom with flourescent lights everywhere about 20 feet
up.
There was no headphone jack, so I couldn't monitor during recording; but
my VU
meters on the mics and in the LED VU display on the camcorder seemed to be
OK
during recording. So today I play back the tapes and there is this
annoying
noise at the highest possible audio level across the entire audio
spectrum. I
used a graphic EQ in the stereo system to cut out as much annoying noise
as I
could (8K, 16K, 31, 60 and 125 hz too) so we could check on the concert
music.
What's left is still riddled with this noise that is constant (not
breathing or
pumping as would be the case with Automatic Gain Control turned on if it
existed
in the camcorder). My only thought is the flourescent lights overloaded
the
audio track within the camcorder itself during recording, the video looks
fine.

So my question is how do I get this onto the computer (via firewire) so
that I
can sample this EMF noise and wipe it from the audio track, and leave the
audio
concert material intact.




Is it mains hum you are suffering?

You should always plug your sound recording equipment into the same
electricity connection that the main mixer is going into otherwise you will
indeed record mains hum!

I've had some situations in which even gear plugged into the same outlet
caused hum. ::We were mystified by that one::

Also, if the joint was wired with a star ground system, you may well be able
to plug into different outlets and not get a buzz or a hum.

Regards,

Ty Ford




--Audio Equipment Reviews Audio Production Services
Acting and Voiceover Demos http://www.tyford.com
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