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Table Of Contents
Cleaning 75
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Decrackler
The Decrackler has been especially designed to smoothly eliminate the
"cracklecarpet" on old LPs. Stronger, isolated clicking sounds are better be
eliminated using the Declicker.
If you think that "crackling" and "clicking" sounds are all the same, listen to the
examples included in the Cleaning Wizard (view page 70).
Remo
ved: With this Button the playback is switched into a mode, where you
can hear the removed clicks and crackles. So you can test, if the
Declicker/Decrackler removes only unwanted noise or parts of the original
audio are removed yet
Declipper
Should the input level of an audio recording be too high, overmodulation may
result at the louder parts (the signal peaks). This digital distortion can also be
called "clipping": At the overmodulated area, the values that are too high are
simply cut off and the typical, quite unpleasant sounding crackling and
distortions are heard.
MAGIX Audio Cleaning Lab MX includes a special function for the elimination
of these digital clippings and analogue distortion.
The clippings are detected and eliminated, based on the material of the
selected object. Lastly, the entire volume of the material can be reduced so
that the interpolated parts can be played back without overmodulation.
The declipping-algorithm is especially useful in material, where the excessive
recording level has caused distorted piano or chorus voices. Affected
drumbeats however will normally not improve after the use of this function.
CLIP LEVEL: Here you can tell the algorithm from which level on the algorithm
has to consider the sample as blasted and therefore corrects it. This is an
important point, as the different sound cards have different clipping
characteristics.
Choosing -6dB, for example, will cause that all samples that exceed half of the
maximum value will be considered blasted and therefore will be calculated
again.