Note OFF

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Pascal Sauvageau posted Feb 5, 19:32:

Hi!
Just hook up my Samplerbox with MIDI and I've loaded the SAW wave, on Note ON it plays but never cut out when I release the key (Note OFF) is there a thing I'm missing out?

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joseph posted Feb 5, 22:04:

Hi Pascal!
Have you tried with another keyboard? Example: a USB keyboard instead of a MIDI keyboard.
Some MIDI keyboards have exotic MIDI messages for NoteOff, may I ask which model it is?

You can also plug the keyboard to a PC and use the freeware MIDI-OX to see exactly what kind of MIDI message is sent when NoteOff. Feel free to post additional info about this so that we can see the reason.

See you

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Pascal Sauvageau posted Feb 6, 02:53:

I’m trying with a M-Audio Oxygen keyboard with the MIDI output (cable 5 pin) if I try to use the same keyboard with the USB connector I will have to find drivers for that? If so, this keyboard is so old I won’t find anything.... I’m trying to do a sudo apt-get update and after I’ll check with the freeware but I can’t connect it to my laptop it’s too old drivers wise my Mac laptop running High Sierra doesn’t recognize it.

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Pascal Sauvageau posted Feb 6, 14:55:

Okay now I understand what is going on, if I press a key quickly it get stuck, if I hold the key (let say 1 sec) and depressed it the Note OFF message is recognized and the sampler stop playing it.

Anybody got the same problem?

Any turnaround?

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Pascal Sauvageau posted Feb 6, 14:57:

I’ve got a Raspberry Pi 2 B, if I overclock it will it react faster to incoming MIDI message?

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HansEhv posted Feb 6, 16:59:

One of my box's still is 2B. Can be played fast without issues.
Even running pi1 has no MIDI issues, but sound problems. The audio module is the bottleneck of SB.

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Pascal Sauvageau posted Feb 6, 22:22:

Another issue, there is no polyphony.... only mono.... I think I need another controller to make some test.

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Pascal Sauvageau posted Feb 6, 22:38:

OK, change controller, works flawlessly with my Alesis Micron, everything works, Note OFF, Polyphony this is just great!!!!

I'm gonna make myself a PCB to go along the Raspberry and this go into my pedalboard!

Great project, thanks again for your help guys!

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