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EFFECTS MENU 633
3. Press the "Analyze all" button.
4. Press the button "Analysis -> Filter". The filter curve now corresponds to the
frequency response of the sample/object. Individual peaks indicate that the frequency
response of individual tones has an influence on the result – in this case you should
use a greater range for the analysis or smooth out the peaks with the freehand draw
function.
5. Save the result as a preset.
6. Close the dialog by clicking on "Cancel".
You have now completed the learning process. It is now necessary that you compare the
acquired reference filter curve with the frequency response of the sample/object in order to
be able to calculate a filter function, which allows you to align the frequency response of
the sample/object with the reference filter curve.
1. Highlight the desired range of a sample/object to which you would like to apply the
frequency response. The selected range of the track should have the highest
"musical density" here as well, i.e. all involved instruments should be played. Drums
or percussion should be available. The range length should not be under 30 seconds.
2. Open the FFT Analysis Filter again.
3. Press the "Analyze all" button.
4. Open the saved reference frequency range by loading the corresponding preset.
5. Press the "Match filter" button.
6. If necessary, smoothen steep peaks or drops in the red filter curve by drawing along
the red curve with the mouse.
FFT filter – graphical view
Overview of the curves
Th
ere are nine curves to select from in total. The yellow curve represents the original
frequency response, the red one represents the filter curve, and the blue one represents
the corrected frequency band. The blue curve therefore represents the frequency response
of the spectrum after filtering.
In the "Filter" drawing mode, the red curve is edited, while in "Direct" drawing mode, the
blue one is edited.
In the lower dialog of the "Expert" area, you'll have the chance to display all three curves,
i.e. current frequency response, original frequency response and filter frequency response.
To do this, select "3" in "Display -> Curve numbers" in the dialog area.
The first three-curve group is used in the "Static" filter mode, the second is the start setting
"Fade start" for dynamic filtering, and the third in the end setting, i.e. "Fade end".
Faders and zoom buttons
Use the le
ft fader to change the display range of the level of the yellow or blue curve, i.e.
the original and the current frequency response. The level is shown in the left axis label of
the graphic in dB.
 Use the fader on the right to change the filter range (red curve). If the fader is moved up,
the value range increases in size. The frequency response can be increased to higher
values or reduced to lower ones. This only involved fine-tuning and making corrections.