6.1.2.1 Attack < 000-127 >
Important for the understanding of the bass drum attack section is the following: Pulse
and noise are mixed together and the mix signal is controlled by attack intensity. If
attack is cranked down, you won't notice any change on pulse or noise.
So you can program bass drums without any attack, or only pulse or only noise, or just
with the mix of both.
6.1.2.2 Pulse < 000- 127 >
Change of the pure pulse part of the attack (see also attack parameter). Pulse is a
clicking pulse-shaped waveform at the start of the kick drum which goes to the VCA.
The sound of the pulse is strongly affected by the gate time (see also Gate Time) which
determines the “energy” of the pulse and therefore the frequency spectrum of the first
attack.
6.1.2.3 Noise < 000-127 >
Change of the pure noise part of the attack (see also attack parameter). Noise makes a
more clap-like (or wet) sound in the attack. Please note that either the gate width
(duration of the noise part) and the EQ parameter also affect this sound. With high EQ
values you will hardly hear or not hear the noise part of the kick drum, because the
high frequencies of the noise are filtered by the EQ. On the Alpha Base, the sound of
the noise signal is significantly affected by parameter MetNze because the noise can be
assembled by metallic high pitch tones.
6.1.2.4 EQ < 000- 127 >
Smooths the output of the kick drum sound production with a flat slope filter. With a
value of <000>, the filter is opened at maximum; at <127> closed at maximum. The
filter is optimized to achieve soft sounding 808ish sinusoid soft clicking kick drums (high
EQ) vs heavy punchy hard drums (low EQ).
Note: changes of the noise parameter can only be heard with an opened filter (low EQ).
30 ALPHA BASE Operating Manual
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