MPE stands for MIDI Polyphonic Expression.
MPE is a standard that lets you play fancier hardware keyboards and input devices like the Linnstrument or Osmose with software synths like Sine Machine.
A normal MIDI keyboard just sends Sine Machine very simple note on/off messages and velocity.
MPE keyboards continuously send pitch, pressure and aftertouch per-note played (that’s what polyphonic refers to, notes are completely independent).
It basically lets your fingers be manual modulators of a synth’s pitch and timbre, which is pretty cool because that’s how “real” instruments work.
A note on MPE Pitch Bend Range
Sine Machine’s MPE Pitch Bend Range is +/- 48 semitones.
That might sound like a lot — but it’s not the same thing as MIDI Pitch Bend (aka the pitch wheel).
Instead, you can think of it as the maximum pitch range a single note will bend.
It’s set to 48 semitones because that’s what common controllers the Osmose and the Seaboard default to out of the box.
I’s important that Sine Machine’s setting matches the hardware being used.
Using the Osmose with Sine Machine
TODO
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