User manual

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distortion will be completely removed. The "Reduction" controller
affects all possible existing disturbances. This is a sensible step,
since tonal disturbances are much more annoying than other noise –
a small amount of "extra" noise in the recording may be allowed in
order to avoid a greater loss of highs throughout the desired signal.
This option can be found in "Hum" mode under the "Noise level"
controller in place of the "Adaptive" parameter (not available in "Hum"
mode).
Processing section
Quality: The quality of the calculation can be set in two stages. You
can set the values in the standard quality setting precisely without
influencing the playback in any way and select high quality for burning
once the material is ready.
Noise level: The threshold of the noise reduction function should be
set as precisely as possible. Values that are too low will exhibit too
low a distortion dampening level and result in artifacts like noise or
"twittering" (see below). High settings produce dull results – useful
signals that sound similar to hissing noises are also filtered away.
Take your time to find the best setting for the individual case. If the
"Adaptive" option is activated, the setting is relative, i.e. in addition to
automation.
Reduction: This sets the balance between the original signal and the
signal with the applied noise reduction. It's often better to reduce
interference signals by 3 to 6 dB rather than as much as is possible
to keep the sound "natural". For buzzing, it’s best to apply complete
removal.
Adaptive: The value for the "Noise level" parameter is set
automatically by setting the level of the hiss present in the signal. The
advantage of this is that if a distortion is not constant, the noise level
always adapts to the current distortion. If the noise sample is not
calculated from the signal that is to be edited, but rather uses a
preset to do so, the difference between the strength of the distortion
in the audio material and in the noise sample will be equalized
automatically. If the noise sample has been calculated from the signal
being edited and the distortion is constant, then the "Adaptive"
setting should not be used.
Removed noise: The part of music that was filtered out by the
DeNoiser can be previewed for testing purposes.