Drum Sounds
The DR-110's six drum voices were:
- bass drum
- snare drum
- open hi hat
- closed hi hat
- hand clap
- cymbal
As with most previous Roland drum machines, the bass and snare voices were generated by a "damped tuned resonance" oscillators. The cymbals and hi-hats were created by VCA-shaping and band-pass filtering a combination of white noise and four non-harmonically related square wave oscillators (generating a much more relatistic sound than white noise alone). The clap sound only used shaped white noise, but was triggered by a multiple pulse train, to create a reverberation effect.
No tonal variation of the voices was possible, however (as with several earlier Roland drum machines), the relative balance between the bass and snare drums versus the hi-hat and cymbal.
An accent (volume increase) could also be added on any pattern step. The amount of accent was globally variable with a knob.
Read more about this topic: Boss Doctor Rhythm DR-110
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