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Cleaning 79
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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.
DeRumble: Here you can activate a special filter for deep-frequency rumbling
noises. Examples of such distortions are mechanical noises from old record
players, wind, and subsonic noises in microphone recordings.
Preset: All the DeNoiser's settings, i.e. the noise sample applied and the
settings of the processing section can be saved as a preset for later use.