Legato issue with ABU 4.01

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On ABU v4.01, I’m experiencing strange behavior on a few notes in the upper register. Legato notes seem to be cut off (almost like dead notes), or their level is extremely low.

For example, when playing string 1 / fret 12 (G3) legato into fret 13 (G♯3), the G♯3 is almost inaudible. There are a few other notes here and there that behave the same way.

I’ve already downloaded and reinstalled the library, but the issue persists.

Could you check this behavior on your side, please? And do you have any idea what could be causing it or how it could be fixed?

Thanks so much for looking into it.
C.

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cldmrqs wrote: Tue Feb 03, 2026 2:58 pm On ABU v4.01, I’m experiencing strange behavior on a few notes in the upper register. Legato notes seem to be cut off (almost like dead notes), or their level is extremely low.

For example, when playing string 1 / fret 12 (G3) legato into fret 13 (G♯3), the G♯3 is almost inaudible. There are a few other notes here and there that behave the same way.

I’ve already downloaded and reinstalled the library, but the issue persists.

Could you check this behavior on your side, please? And do you have any idea what could be causing it or how it could be fixed?

Thanks so much for looking into it.
C.
I couldn't reproduce your problem, could you record a video and send it to us?

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Hello,

I created a simple MIDI file that you can try on your DAW. First are non legato notes and every thing looks normal. Following are the same notes played legato. Hopefully you can hear that some notes are quite lower than others when played legato. The very last note is actually inaudible here.

Please, see the image for the mode I use.

Thanks.
C.
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Hi again Liang. Is the MIDI file I attached previously is good to check on your side?

Please, let me know.
C

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cldmrqs wrote: Fri Feb 13, 2026 8:10 pm Hi again Liang. Is the MIDI file I attached previously is good to check on your side?

Please, let me know.
C
Sorry I am just back from vacation.

The midi doesn't contain string assignment keyswitches, could you post a Riff here?

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Hi Liang.
It's really not a big deal really, but if there was a way to adjust hammer on force, that would be awesome. So in order to explain what I experience, I recreated a midi file with all the necessary KS at the start of the sequence, so it should play basically play like I have it here. Notes should play from string 4 up to 1 on the upper side of the neck. See the picture for the actual settings. There are separated notes (non legato) followed by legato notes so you can hear the difference. I guess it is the way the contrabass was played/recorded and it might be a bit difficult to have the same force on hammer-on notes compared to struck note. I understand that. But I find some hammer-ons are quite low sometimes, not always. I wish there was a way to adjust hammer-on gain like other notes in the sample editor but I could not find a way to do that.

Thanks.
C
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cldmrqs wrote: Thu Feb 26, 2026 4:37 pm Hi Liang.
It's really not a big deal really, but if there was a way to adjust hammer on force, that would be awesome. So in order to explain what I experience, I recreated a midi file with all the necessary KS at the start of the sequence, so it should play basically play like I have it here. Notes should play from string 4 up to 1 on the upper side of the neck. See the picture for the actual settings. There are separated notes (non legato) followed by legato notes so you can hear the difference. I guess it is the way the contrabass was played/recorded and it might be a bit difficult to have the same force on hammer-on notes compared to struck note. I understand that. But I find some hammer-ons are quite low sometimes, not always. I wish there was a way to adjust hammer-on gain like other notes in the sample editor but I could not find a way to do that.

Thanks.
C

Thank you, I will discuss this issue with my colleagues.

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