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638 EFFECTS MENU
Notes:
If you have drawn very detailed filter curves, it is imperative that you save the curve
parameters. When switching modes or parameters, the curves will appear to be closely
matched but will not maintain the same details.
Make sure that when previewing in realtime at a high rate that the value of the program
buffer in the ("Extended Buffer Settings" (view page 500)) is at least just as high, or even
better, a bit higher than the set rate. Otherwise real time monitoring is not possible. Rates
higher than 8192 are hardly useful when previewing in real time, since the internal real-time
buffer size of the algorithm corresponds to the set rate. In this case, editing while
previewing in real time will be "awkward".
Save/Load: Here you can save or load all parameters and curves. The default file
extension is *.fff.
Important: To apply the filter to other samples, the "Draw" mode parameter has to be
set to "Filter". Only in this case will the red curve be saved. This also applies if the filter is
indirectly applied by editing the blue curve in "Direct draw" mode.
However, if you save when "Direct" is selected, the saved frequency range may be
applied to other samples. In this case the saved blue curve is transformed into the red
one when loading.
FFT Filter - Problems and solutions
Modulation effects when using extreme filter settings for low frequency ranges
Set th
e "Precision" setting in the "Expert" dialog from "Low" to "Normal" or "High".
Problems with the realtime preview when using higher rates:
Make sure that
when previewing in realtime at a high rate that the value of the program
buffer in the ("Extended Buffer Settings" (view page 500)) is at least just as high, or even
better, a bit higher than the set rate.
It is not possible to completely hide certain areas of the spectrum.
Select "Filter" in draw mode and reduce the
"Min. range" value in the "Expert" dialog to
approx. -100 / -120 dB.
You have corrected the frequency response of a sample and then analyze the
result on
ce again. The result does not match the corrected frequency response
(the blue line before performing filtering).
If you use the "Analyze all" function and set the filter parameter to "Precision: High" in the
"Expert" dialog when analyzing before and after filtering, an approximate match will be set.
Also resonance-like sounds arise in wid
eband band passes.
Reduce the slew rate of the band passes by not creating any vertical lines while drawing.