[Bug?]Polybrute 12 only records and plays back *some* MIDI data from my DAW

You need to disable each instance of PolyBrute Connect and then the PolyBrute will respond to MIDI CCs like any other synth.

Take a look here… Position #5

Unfortunately, this doesn’t actually work for me. Whether Polybrute Connect is enabled or not, played through or not, or even not loaded at all anywhere, the Polybrute does not respond to the CCs for the recorded ribbon or morphee output. It is easy enough to record them (as many people have noted), but I’ve found no combination where it will respond to those CCs. Note that it does respond to other CCs (like manually twiddling the master cutoff knob), just not the ribbon or morphee control.

Hi @Larsaf , sadly, my experience is similar to @JovianPath. Disconnecting Polybrute Connect does help a little, in that it allows the correct playback of more “generic” midi data, such as pitchbend and aftertouch. However, it doesn’t allow the DAW (Logic, in my case) to actually record and playback many of Polybrute’s key expression interfaces - ribbon, Morphee, or most of the synth’s knobs and sliders.

Just to check - has everyone who is experiencing this problem reported the issue to Arturia? For a synth that sells itself on its expression options, it’s somewhat jaw-dropping that this data appears to not be MIDI recordable for most (or all?) users.

Hi @Vischebaste,

you are right… there is an issue.

I’m a Cubase 14 user and I did some testing today. Cubase records ALL MIDI CCs including Ribbon, Morphee, Expression Ctrl 1 & 2 (Foot) and Master Cutoff. But when playing back my Polybrute 12 does NOT react to Ribbon and Morphee. All other (incl. Master Cutoff) seem to work fine.

Arturia has to take a look at this issue.

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Hi all,

I’ve been discussing this issue with Andrés from tech support, who has been very responsive and helpful. However, the bad news is that the inability to send ribbon and Morphee data back to the Polybrute hardware is intended behaviour, rather than a bug.

According to Andrés (who has given me permission to quote this):

“At this time, there are no plans to make the Ribbon or Morphée respond to incoming MIDI CCs, and this is the intended behavior. That said, we’ve seen similar feedback from other users, and I’ve shared your comments with the team for consideration in future updates.”

For anyone that would like to see this implemented, i’d recommend raising this individually with Arturia, so that (hopefully) they will get the sense that this feature is desired.

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What motivates such a behaviour? I really don’t understand. One should at least be able to choose that behaviour in the settings

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Yeah… Saying it is intended behavior with no reason why, is very puzzling. Is it a technical issue? Is it because you are supposed to record and playback performances some other way? It clearly is at least optionally desirable behavior… For now my workaround is to modify patches to route other things it will respond to (like the mod wheel) via the mod matrix, and remap the CCs in my DAW, but that’s a poor substitute.

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Ok… So this prompted me to try harder. This is convoluted and pretty Reaper specific (my DAW), but there may be equivalent solutions in other DAWs, as long as you can map MIDI from a track to drive a plugin parameter…

So, here is the process that works for me… One time setup (Reaper specific):

  1. Ensure the Polybrute has “Enable CC on Knobs” enabled in MIDI settings
  2. Add Polybrute Connect as a VST on a track that will playback MIDI (I record on a different track than I playback, but I think this should work either way).
  3. Touch the ribbon controller in the Polybrute connect
  4. Map this to be controlled by CC 9 (in Reaper, click on “Param” and choose MIDI Link > CC > 9
  5. Repeat steps 3 & 4 for the other controls you want (Morphee X is 114, Y is 115, and Z is 89,)
  6. Save this as a track template so you don’t have to do all this again!

Recording and playback dance:

  1. Have Polybrute Connect as a VST on the track, but unlinked to the Polybrute.
  2. Record MIDI from the polybrute using the ribbon, morphee pad, whatever into Reaper
  3. Re-link the Polybrute to playback, using mapping set above