Midi tracks: Panning FX data only copies into steps with instrument defined

Bug Description

If you have a pattern where a midi track has FX-only panning steps, those steps are ignored when pasting onto another midi track. The steps are copied properly if pasted onto tracks1-8.

Reproduction Steps

  1. Add some panning only steps to midi track 9 on FX slot 1 or 2
  2. Select those steps with panning FX.
  3. Go to another pattern or track.
  4. Paste.

Nothing is pasted. Only if the step contains a note, the panning is pasted too.

Occurrence

Not sure, but it always happens on the project I’m working on. Will upload it if necessary.

Found in

  • Version: 2.0.0
  • Build: 934

Attachments

Hi @Sineway , good catch. I guess that steps without defined instrument are being ignored because of prevention of copying anything except Sx or Mx instruments into Midi tracks. Since these don’t have defined instrument they get ignored. Copying of these steps into tracks 1-8 works for me. Anyway, my question is: what’s the use case of having FX only steps? They will not do anything and are useless unless you define an instrument also. What are you trying to achieve? Currently as workaround I suggest to define instrument always. Let me know what you think! Thanks for your support and pointing this issue to us. Cheers

Hmm, are they really useless without a specified instrument? The use case is to play a long note and use evolving or glitchy panning. It definitely seems to be working as expected on the originally programmed midi track, and there’s a noticeably less smooth panning sweep on the copied track that can only pan on the note hit.

Clarification: the first step in the sequence has a note, but subsequent steps only modify the panning. That seems to work for the soft synths - as in, I can hear how the panning of the synth sound moves according to the steps in the pattern - but the FX-only sequencer steps can’t be copied.

For example, copying these steps from track 9…

C5 S2 P 40 ----
-- -- P 20 ----
-- -- P 00 ----
-- -- P-20 ----
D5 S2 P-40 ----

… and pasting them onto track 10 yields the following results:

C5 S2 P 40 ----
-- -- ---- ----
-- -- ---- ----
-- -- ---- ----
D5 S2 P-40 ----

The resulting audio on track 10 is noticeably less smooth in its panning movement from right to left.

I see, thanks for clarifying. I will log it as an issue. Please use the workaround in the meantime and always define instrument you’re trying to control on the step. In this case, copying should work also. Thanks for your patience and detailed report.

My bad. I really thought it won’t work. Meaning, there has to be an instrument defined so that FX knows where it should go :slight_smile:

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