The basic noise reduction features in Adobe Audition let you remove
aspecific noise from audio.
To remove specific noise from audio:
1. Highlight a small piece of the file with an isolated piece of the
unwanted noise.
2. Choose Effects > Noise Reduction > Noise Reduction, and click Get Profil=
e
from Selection. After Adobe Audition finishes scanning the selection, click
Close.
3. Choose Edit > Select Entire Wave to select the entire wave form in the
original file.
4. Choose Effects > Noise Reduction > Noise Reduction or click OK. The Nois=
e
Reduction Module retains the settings for the unwanted noise. Adobe Auditio=
n
tries to eliminate--or at least reduce--that noise throughout the entire
file.
Note: Noise reduction can introduce unwanted artifacts with increasing
intensity as you try to remove more noise, or if you start with a very weak
foreground signal. Try to select as long a sample as you can (a half second
or more) with no foreground audio to create the noise profile with Set Nois=
e
Level. Also, if the artifacts are too prominent, try lowering the Noise
Reduction Level.
Martyn Stewart
Bird and Animal Sounds Digitally Recorded at:
http://www.naturesound.org
N47.65543 W121.98428
Redmond. Washington. USA
Make every Garden a wildlife Habitat!
When the animals come to us,
Asking for our help,
Will we know what they are saying?
When the plants speak to us
In their delicate, beautiful language,
Will we be able to answer them?
When the planet herself
Sings to us in our dreams,
Will we be able to wake ourselves, and act?
-Gary Lawless
-----Original Message-----
From: Scott Connop
Sent: Monday, June 21, 2004 10:20 PM
To:
Subject: [Nature Recordists] Filtering Techniques
I am going to try this one more time. I went through all 13000+ messages
in the archives and could not find anything on basic filtering. I have
seen comments where one contributor stated that every recording he does
goes through an FFT filter. I know that not everyone here uses CoolEdit
but I am sure that the principles are the same. When one makes
recordings that catch background car noises, wind buffeting, operational
machinery, or water, what is the approach that you would use in
filtering the recording? Are there settings that one would consider
standard in editing any outdoor recording? If there is a good reference
somewhere on this, I would really appreciate knowing it. I don't have a
manual for my version of Pro 2.1 and I don't have an acoustic background.
"Microphones are not ears,
Loudspeakers are not birds,
A listening room is not nature."
Klas Strandberg
Yahoo! Groups Links
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