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IDProjectCategoryView StatusLast Update
0009917ardourbugspublic2025-04-18 13:34
ReporterJimi Utamaro Assigned To 
PriorityhighSeveritymajorReproducibilityalways
Status closedResolutionfixed 
Platformi7 13700 64bit and i5 6600 64bitOSubuntu studioOS Version24.04
Summary0009917: midi tracks with ACE Fluid Synth sound a whole tone higher
DescriptionMidi tracks with ACE Fluid Synth sound a whole tone higher.
When I launch Ardour, the tracks sound in correct pitch, but soon ,or after several minutes, it change the pitch to almost a whole note higher pitch.
This does't happen to midi tracks with MDA ePiano.

i tried change sound font to several sf2s but it end up with the same result.


Thank you for all the work for improving Ardour.



Steps To Reproduce1. make a midi track choosing ACE Fluid Synth.
2. in ACE fluid synth , choose sf2 ,and play by midi keyboard.
Additional Informationsound fonts I tried

Nice-Keys-Giga-JNv1.6.sf2
[GD] Steinway Model D274.sf2 for 48kHz

etc
Tags"pitch" "tuning" "midi track" "ACE Fluid Synth"

Activities

Jimi Utamaro

2025-04-18 05:31

reporter  

Jimi Utamaro

2025-04-18 12:24

reporter   ~0029250

the audio interface : EDIROL UA25EX 48kHz 24bit

Jimi Utamaro

2025-04-18 13:09

reporter   ~0029251

I've found that this problem is not a bug in Ardour.
it also happen when i play Qsynth without Ardour.

Issue History

Date Modified Username Field Change
2025-04-18 05:31 Jimi Utamaro New Issue
2025-04-18 05:31 Jimi Utamaro Tag Attached: "pitch" "tuning" "midi track" "ACE Fluid Synth"
2025-04-18 05:31 Jimi Utamaro File Added: bugreport_20250418_121111.png
2025-04-18 12:24 Jimi Utamaro Note Added: 0029250
2025-04-18 13:09 Jimi Utamaro Note Added: 0029251
2025-04-18 13:34 Jimi Utamaro Status new => closed
2025-04-18 13:34 Jimi Utamaro Resolution open => fixed