DSP Functions
The DSP Functions
16-33
This function uses a two-pole lowpass Þlter to give you a sharper transition in bass response
than PARA BASS. Like PARA BASS, there are control-input pages for cutoff frequency and
amplitude, which are identical to those for PARA BASS. There is also a control-input page for
resonance (also known as ÒqÓ), which can boost or cut the amplitude of the partials near the
cutoff frequency.
EditProg:F2|RES(STEEP|BASS)<>Layer:1/1||
Adjust:0dB||||||||||Src1||:OFF||||||||||
||||||||||||||||||||Depth|:0.0dB||||||||
||||||||||||||||||||Src2||:OFF||||||||||
KeyTrk:|0.00dB/key||DptCtl:OFF||||||||||
VelTrk:|0.0dB|||||||MinDpt:0.0dB||||||||
||||||||||||||||||||MaxDpt:0.0dB||||||||
<more||F1|FRQ|F2|RES|F3|AMP|F4|AMP|more>
YouÕll get the best transition in bass response with a resonance setting of -6 dB. ThereÕs a small
frequency range above the cutoff frequency where the response reverses direction (if youÕre
cutting the amplitude, for example, youÕll get a slight boost just above the cutoff frequency). The
higher you set the resonance, the larger this reversal will be, resulting in unusualÑbut possibly
usefulÑresponse curves at high resonance values.
Parameter Range of Values
Adjust -12 to 24 dB
Key Tracking ± 2.00 dB per key
Velocity Tracking ± 30 dB
Source 1 Control Source list
Source 1 Depth ± 96 dB
Source 2 Control Source list
Source 2 Depth Control Control Source list
Minimum Depth, Source 2 ± 30 dB
Maximum Depth, Source 2 ± 30 dB
-30
-20
-10
0
10
20
30
10 100 1000 10000
Frequency in Hertz
Amplitude in dB
Cutoff frequency = C 3;
gain = 12 dB;
resonance from
-12 to 18 dB
18
12
6
-12
-6
-3
Steep Resonant Bass:
Resonance
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