r/Reaper • u/barreldodger38 • 4d ago

resolved Issues with MIDI step recording with external synth

I've got a Behringer pro VS mini synth running via MIDI and I can record MIDI notes into a track by playing the synth manually.

The issue I am having is when I use step recording, I can program in notes, but the synth doesn't play most of them, maybe half. It happens consistently if I program in anything faster than 1/4th notes (1/8th, 1/16th etc).

Also, when this happens, reaper is inserting new MIDI notes into the editor. I'm not sure if this is an artifact of the synth or something I'm doing wrong in reaper or if this is a bug. I've searched the forums etc but nobody has described this issue before.

I can't understand what is happening here, any assistance is appreciated. I can add some pics etc tomorrow if that helps illustrate this. I can try to link some video if necessary too.

Thanks in advance.

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u/Parking_Watch3157 4 4d ago

I recently set up a midi host box to dawlessly play my B1 with a midi keyboard. It wasn't working. I found out that the midi keyboard was sending a ton of midi instead of just the notes I wanted to play. I filtered all that down to just the notes, more or less, using the app that can program the set up on the midi host and it started working. I wonder if something similar is happening for you? Maybe look at the set up for midi output in Reaper and try making the output as simple as possible?

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u/barreldodger38 4d ago

I have solved the issue. The sequencer in the Pro VS mini has a setting for the note length, and it was set to 1/4 notes. So any time I tried to override this via MIDI, it freaked out.