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Table Of Contents
532 EFFECTS MENU
Spectral cleaning is suited for removing all short, impulsive noises in the music like
crackling, coughing, or even short drop-outs. For long-lasting distortions like humming or
hissing, try using the de-hisser (view page 519) or de-noiser.
Spectral cleaning – operation
Select the object and set the play cursor roughly at the position of the distortion. Next,
open the spectral cleaning editor via the "Effects" menu, or via the object context menu
under "Effects (destructive)".
Select the drawing tool. The mouse pointer becomes a pencil icon. Select the disturbance
by dragging a rectangle around disturbance. You can also select and remove multiple
disturbances together in the editing window.
If you move a disturbance selection with the selection/draw tool, then you can lock out
vertical movement on the frequency axis by holding down "Alt". Holding down the "Shift"
key also locks out horizontal movement on the timeline.
"Ctrl + X", "Ctrl + C", "Ctrl + V" can be used for cutting out, copying, and inserting
selections, respectively.
To hear the result, set the cursor in front of the selected distortions and press the play
button. You can modify the frame around the distortion selection using handles to optimize
the signal.
Three buttons are added to the selection:
Delete (x symbol): Remove the selection by clicking this button.
Show distortion (lightning symbol): After marking the noise signal with the drawing tool,
the result of the noise removal will normally be displayed in the selection. The "Show
original" button displays the original signal for comparison purposes.
Bypass (B): Once you have drawn in the selection, you can already monitor the results of
noise removal during playback. If you press the "Bypass" button, you will continue to hear
the original signal.
Sometimes it's necessary to modify the effects parameters (see "Spectral cleaning -> Edit
selection"). If the result is satisfactory, then press the "Calculate" button.
Spectral cleaning – toolbar
Various tools can be assigned to the left and right mouse buttons by clicking the respective
tools. The tool for the left mouse button is displayed in blue and the right mouse button in
red.