X3

162 Soundtrack
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Set the degree to which the noise should be reduced with the fader. It is
often better to reduce interference signals by 3-6 dB rather than as much as
is possible in order to keep the sound "natural".
A different option consists of creating a noise sample yourself. All that's
needed is a short section from the audio track in which the distortion can be
found. To get it, switch to the DeNoiser dialog by pressing "Advanced".
DeNoiser – Advanced settings
Step 1: Choose a noise sample
First of all, a sample of the distortion you wish to remove must be selected,
i.e. a so-called "noise sample".
You have two options to choose from:
Pick out typical background noise: You can select and use a number of
typical background noises from the flip menu. Select one and listen to it by
pressing the "Play" button. If it is similar to the background noise in your
sound track, go ahead and use it (see "Step 2: Removing background
noise").
Extract a new noise sample from an audio track: You can also pick out a short
passage (from the existing sound track) in which you can hear the
background noise.
Automatic search: Searches especially quiet passages in which background
noise is most noticeable.
Previous / Play / Next: These buttons allow you to play all of the passages
found for easy comparison.
Save as: Once found, you can save noise samples to the hard drive. They
then appear as entries in the "Typical background noises" flip menu to be
used in other projects.
If you only wish to use the noise sample in the current project, you don't
have to save. Instead just go to the "Remove noise" category.
Step 2: Removing background noise
Noise level: The level of the noise reduction function should be set as
precisely as possible. Values that are too low are expressed at a low
distortion dampening level and in artifacts, like noises or "twittering" (see
below). High settings produce dull results – useful signals that sound similar
to hissing noises are also filtered away. Try to find the best setting for the
project at hand.