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Fix ZynAddSubFX preset regression #7737

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JohannesLorenz
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Attempting to fix #7720 . I think this is wrong yet, because the VK in Zyn has different filter freq than the Piano in LMMS.

Please test or give feedback.

Credits to the idea of this fix go to LostRobot.

@JohannesLorenz
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JohannesLorenz commented Mar 1, 2025

I found out why the velocities are different:

The Zyn VK uses a velocity of 100 by default. However, the LMMS piano seems to use 0...63 by default. This seems to be an issue on master.

Can please anyone test this PR?

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JohannesLorenz commented Mar 1, 2025

Testing notes:

There are a variety of things to test in different combinations:

  • Loading an old XIZ (like in the issue description)
  • Loading a newly saved XIZ (you can save one using the "floppy" button in the Instrument Track Window)
  • Loading an old song
  • Loading a newly saved song

All these should be tested both without and with GUI open

So there is really a LOT to test 🤣

Also, this PR lets old preset load with old filter cutoff, after this
had been changed in 9c0fc8f .

Co-authored-by: Lost Robot <[email protected]>
@JohannesLorenz JohannesLorenz marked this pull request as ready for review March 1, 2025 16:42
@messmerd messmerd changed the title Attempt to fix #7720 Fix ZynAddSubFX preset regression Mar 2, 2025
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Zyn presets sound different when the Zyn GUI is opened
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