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Posted by nappy on 04/05/07 19:30
"Richard Crowley" <rcrowley@xp7rt.net> wrote in message
news:57l0o7F2dc14dU1@mid.individual.net...
> "P.C. Ford" wrote ...
>> So I'm doing a documentary; did an interview last night. I was
>> sidetracked dealing with the subject until several minutes into the
>> interview when I noticed that the camera operator did not have his
>> headphones on. At that point we discovered that we had a significant
>> buzz. The subject was antsy so we went ahead with the interview.
>>
>> All of the above was my fault but now I am left with the chore of
>> eliminating the buzz.
>> I have Sound Forge 6, but am not very skilled to say the least. I have
>> tried notch filters but it does not seem to have any effect at all.
>>
>> Here is a .wav example of the footage;
>> www.criterionweb.com/stevetalkrepair.wav
>> It is about 10 megs. If you would download it and comment I assure you
>> will qualify for sainthood.
>
> Dunno about SoundForge, but that is the kind of repetitive noise
> that can be removed in Adobe Audition (ex Cool Edit) by taking a
> representative "sample" between talking, and then using the
> pattern to remove the sound from the clip. I don't have Audition
> on this machine or I would try it right now. I'm sure that SF must
> have some equivalent function.
>
PC.
This was the other suggestion I was going to Make. Try this approach as
Richard has suggested. It can work if you have a clean half a second or so
of the offending noise alone without voice. I have used this very plugin in
the past and while it does work it can induce phase errors which sound like
flanging a little if you push it too far.
That said, a good notch filter ought to reduce it. If one notch is not
enough try multiple additions of the same notch. I don't know which NLE you
are using buut you may also want to NORMALIZE the audio prior to performing
an EQ pass on it. Then attenuate it back down to fit in the track. The noise
in your clip seems trivial.
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