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>From: "Dave Bradley" <daveb@...>
>A tom or kick has 2 elements - crack and body. A snare adds a third element,
>Crack: VCO sine out to VCA in. EG to both VCA and VCO FM1. Set FM1 amount
>very large, so that the EG sweeps the pitch several octaves. EG attack at
>zero, sustain zero, decay and release very close to zero. Play with decay
>time, FM1 amount, and VCO pitch until you get a knocking or cracking sound.
>Basically you want to sweep the pitch across several octaves so fast that
>you can't hear it as pitch anymore. Patch kbd CV to FM2, but turn it down so
>that the pitch doesn't change a lot as you play up and down the kbd. This
>piece of the patch takes 1 VCO, 1 EG, 1 VCA. If you have a spare EG, using
>separate EGs for pitch and VCA allows better fine tuning. It takes fast
>envelopes to be able to sweep a VCO fast enough to be able to "crack" -
>fortunately for us, the MOTM-800s work fine.
>Body: Same patch as Crack. Set decay and sustain to about .75 - 1 sec. Turn
>FM1 amount down a lot, so that the tone falls off in pitch only about a
>semitone or so. Adjust FM2 higher than for crack, so you can play up and
>down the kbd to get kick and toms.
>Rattles: White noise to VCA, EG to VCA, zero attack and sustain, decay and
>release around .75 sec. If you have a filter you can use, tune the noise
>with some resonance for more realism.
>Mix these 3 elements to taste. I can set my MIDI/CV converter to fire the
>gate for rattles only above a certain note, so I can get kick, toms, and
>snare at the same time. I only have 2 VCAs, so I patch a ring modulator as a
>third VCA, although I get some signal bleedthrough.