I was looking to buy a MIDI drum trigger, and they are priced between $170 and $700, or more (!)
So I thought “I’ll bet there’s an app for that….”
Sure enough. This free 32-bit VST, KTDrumTrigger by Smart Electronix is the answer.
Available for Windows or Mac, still in beta, but works well. You can control a drum synth, bass synth, or any synth with it.
You’ll need to wear headphones while using this, to avoid feedback. It could probably be used live with a very directional mic or a contact mic, and a software gate.
This VST runs well in 64-bit Reaper, here are the settings I used to control another free VST, the 909 emulator drum synth, DR-910:
(Not sure what it will be in other VSTs, I came up with this solution in a few minutes of experimentation.)
I tried different settings and came up with these settings to trigger different drums (different MIDI note numbers) with different sides of the pad I used (a piano bench):
(Your settings may vary with that, depending on your mic and what VST synth you’re sending it to).
It has a bit of latency, so you’ll need to do some quantizing, and I recommend on beats of 110 BPM or less.
All in all, a great solution to a problem that usually costs many dollars to solve.