X4

178 Audio editing
http://pro.magix.com
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.
Reducer: 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
3-6 dB rather than as much as is possible, so as to keep the sound "natural".
In case of buzzing, it’s best to apply complete removal.
Dehisser
The Dehisser eliminates regular "white" noise typically produced by analog tape
recordings, microphone pre-amplifiers, A/D converters, or transformers.
Noise reduction can be regulated in decibels with the fader. It is often better to
reduce interference signals by 3-6 dB rather than as much as possible in order
to keep the sound "natural".
Noise level: You can choose between different noise levels. The level of the
noise reduction function should be set as precisely as possible. Low settings
result in incomplete deletion of the hissing. Incomplete deleting of hissing
produces artifacts and should be avoided, since high settings will produce dull
results and some useful signals (i.e. woodwinds) which are similar to hissing
are also filtered away.
Equalizer
The 10-track equalizer divides the frequency spectrum into 10 areas (tracks)
and supplies them with separate volume controls to allow you to achieve many
impressive effects, from the simple rising of the bass to total sound
transformation. If you raise the low frequencies too much throughout the whole
level, it might cause distortions.