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[Nature Recordists] Re: beginner needs help with recording

Subject: [Nature Recordists] Re: beginner needs help with recording
From: DIANE <>
Thanks for responding David, I will try audacity.
Do you think the batteries in the mic are contributing to the hiss?

--- In  "Avocet" <> wrote:
> > I realize that all of you have been doing this at a high level for
> > some time
> Diane,
> Yes, but we may not all admit to it. :-)
> I have a routine for de-hissing using the free Audacity 2.0. You
> select a sample of the quietest bit of the recording. I then put this
> through a bass roll-off filter which gives a rounded slope of 6 dB per
> octave (on my web site):
> HPF800-2-4-6nr
> I can post a graphic of the curve if this doesn't make sense.
> What this does is to make artifacts disappear into the backgroud noise
> without producing tinkling.
> In Audacity 2.0*,
> put this sample into "Effects - Noise Removal", restore the original
> (CTRL-Z), select all and run "Noise Removal" with:
> -0dB
> 500 Hz
> Try various attack times if you can hear the difference.
> If you have an extreme example, take a new sample and do it again
> rather than go more than -9dB. It will sound artificial but helps with
> species recognition in dodgy recordings.
> David
> David Brinicombe
> North Devon, UK
> Cogito cogito ergo cogito sum - Ambrose Bierce

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