18.0

Tutorial 25
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 Try to select the distortion using the drawing tool in the editor.
 Once you've selected the distortion, click on "Play". The algorithm becomes
active immediately: The selected area is filtered out and replaced with
frequency material from the surrounding "acoustic environment".
 Can you hear an improvement? If not, change the selection. The selection
should be as small as possible. Localize the audio disturbance by trial and
error.
 Once you are satisfied with the result, click on "Calculate". Up until now, you
merely experimented, but now the settings will be applied.
Tip: Spectral cleaning can be applies separately to either channel, for example
when crackles can only be hears on one side of the stereo image.
For information on the individual buttons in the editor, please read the entire
documentation (available as PDF manual or program Help file). You can also
access a tutorial video that explains the workflow directly from within the
Spectral Cleaning Editor.
The Spectral Cleaning Editor might seem a bit complicated, but it's a very
effective tool that previously was reserved for pros. Therefore, it's worth
investing some time to familiarize yourself with this tool.
Cut out undesired passages
Now let's take a look at some special kinds of audio disturbances. A typical
example would be the noise of a microphone knocked against something by
mistake or even any kind of crackling, crashing, rustling, which can't be
removed satisfactorily with Spectral Cleaning, because it's too irregular.
These kinds of noises as well as longer undesired passages can be cut out
using the scissors tool in the left-hand corner of the track window.