(SOLVED) Audio engine dropouts only when looping a selection

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aspenleaf
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2016/05/29 10:38:11 (permalink)

(SOLVED) Audio engine dropouts only when looping a selection

I'm having an odd problem with audio engine dropouts, but only when looping a selection.  I'm mixing a simple project with only 13 tracks and minimal FX.  I'm using the latest version of Sonar Platinum (2016.05) with a Focusrite 18i20 with Mix Control 19.1b10 and 3.2.2 drivers.  My cpu usage is very low, and the file plays fine without dropouts until I try looping a section.  Then every time it rewinds to the beginning of the loop, I get an audio engine dropout.  I tried all of the buffer settings in the Focusrite driver, even up to 2048 and it still drops out.  I can play the file at 64 all the way through without looping a selection. 
 
I'm not trying to create a loop, I'm just playing a certain selection over and over to adjust EQ.  Can anyone suggest a solution?
 
Thanks.
post edited by aspenleaf - 2016/05/29 13:34:29
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    Klaus
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    Re: Audio engine dropouts only when looping a selection 2016/05/29 12:30:52 (permalink)
    Try increasing the I/O buffer size to 256 KB or 512 KB in
    Preferences > Sync and Caching > File System.
     
     

    SONAR Platinum ∞
    RME HDSPe AIO - Windows 10 64bit - Intel i7 2600K - 16 GB RAM
     
     
     
     
    #2
    brundlefly
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    Re: Audio engine dropouts only when looping a selection 2016/05/29 12:59:29 (permalink)
    +1  I would agree this is probably related to a disk-streaming bottleneck rather than CPU load. I would also recommend checking for problems with disk performance or interference from virus-scanning. I had a similar issue a while back when background scanning by Microsoft Security Essentials somehow got enabled.

    SONAR Platinum x64, 2x MOTU 2408/PCIe-424  (24-bit, 48kHz)
    Win10, I7-6700K @ 4.0GHz, 24GB DDR4, 2TB HDD, 32GB SSD Cache, GeForce GTX 750Ti, 2x 24" 16:10 IPS Monitors
    #3
    aspenleaf
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    Re: Audio engine dropouts only when looping a selection 2016/05/29 13:16:54 (permalink)
    Thanks guys!  Increasing the I/O buffer to 512 fixed it!
    #4
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