MIDI data being randomly dropped during playback when using MOTU MIDI Express XT

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btormond
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2017/01/10 08:45:16 (permalink)

MIDI data being randomly dropped during playback when using MOTU MIDI Express XT

I recently added a MOTU MIDI Express XT to my system (replacing a Delta 1010). When I playback Midi tracks on my SONAR X3 Platinum software random notes will drop out e.g. I use three Midi tracks for drums on for Kick & Snare, one for cymbals, and one for tom fills as it makes editing easier for me. Some examples of what's happening; Let's say I start the song from the beginning and at measure 14 the ride cymbal stop playing but at measure 15 it jumps back in. If I stop, then start from measure 13 it will play all data but I may have another drop out at measure 21. Another phenomena is, if I have a ride cymbal doing straight eighth notes sometimes it will skip a few or just play quarter notes. Again if I stop and start a few measures before the drop out happened it will play fine. There have also been occurrences of all three drum tracks dropping out and suddenly coming back all at once. I have tried, so far, altering the buffer size in Preferences MIDI record/playback but it really doesn't seem to help. Any suggestions on where else to look for a solution? Thanks!!
 
Some of my gear:
ASUS Z87-A LGA mother board
Intel Core i5 3.4 GHz
32 Gb RAM
1TB SSD
2TB Seagate HD
3TB Seagate HD
SONAR X3 Platinum
Presonus 24.4.2 Firewire mixer
MOTU MIDI Express XT
Roland FA-06
Roland Integra 7
Roland JV-880
Korg X50
Boss DR-880
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    Beagle
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    Re: MIDI data being randomly dropped during playback when using MOTU MIDI Express XT 2017/01/10 08:50:29 (permalink)
    what is the output of the MIDI triggering from Sonar?

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    btormond
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    Re: MIDI data being randomly dropped during playback when using MOTU MIDI Express XT 2017/01/10 10:07:15 (permalink)
    Thanks for getting back to me!
    The output of the MIDI track in SONAR is set to 3-Port 3 on MXPXT MOTU. My DR-880 drum machine is connected to that output.
    The input is set to MIDI CH 10 in SONAR
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    DeeringAmps
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    Re: MIDI data being randomly dropped during playback when using MOTU MIDI Express XT 2017/01/10 11:16:00 (permalink)
    I think if you increase Playback buffers here:

    That should get it sorted. If default is 250 try 500. "lather, rinse, repeat"
    Its a little bit "cut and try" IIRC.
    HTH,
    T

    Tom Deering
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    btormond
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    Re: MIDI data being randomly dropped during playback when using MOTU MIDI Express XT 2017/01/10 15:54:15 (permalink)
    Thank you for replying Tom!
    That is the menu I have been adjusting values in. I went as high as 500 and as low as 150. Maybe I should go to higher values, as I see in your screen shot you are at 750.
    Thanks again very much!
    Brian
    #5
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