Audio dropouts

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Geoffrey
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2017/07/29 21:14:31 (permalink)

Audio dropouts

I'm now getting tons of scratching (hesitating) and audio dropouts on the same setup (PC, interface, etc.) that used to be fine.  The only thing that I can think of is that I have added more stuff so that there are more background processes (there are a lot on the resource monitor).  I killed the antivirus and as many processes as I felt I safely could, still same problem.  Any hints?  Any way of figuring out which processes are creating the problem?  Thanks!

Win7 64 bit, I&-3770, two hard drives, 16 gigs ram, MOTO 24i with PCI 424 card. 
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    jan.ynske
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    Re: Audio dropouts 2017/07/30 07:49:42 (permalink)
    Check whether this also happens with other audio/video programs like You Tube, Windows Media player...I wouldn't be surprised if this is a general problem as I have it myself. It is probably DPC Latency (Deferred  Procedure Call)
    If so then it is not related to Sonar but has to do with drivers like ndis.sys, tcpip.sys and scsiport.sys. Disabling WIFI or Ethernet card (i.e. Realtek PCIe GBE Family Controller) will often help.
    If you have a multi boot system make sure that in The BIOS only the relevant boot disks are enabled and not your data drives.
    Make sure that you do not have set any power saving mode, set the PC to high performance.
    Check the power management of USB Hubs, it must not be allowed to turn off the device.
    Do the same for your network card.
    Search the internet for DPC Latency to find all kinds of solutions. You will see that especially gamers have big problems with it.
    On the internet tools are available Like Latency Mon (
    http://www.softpedia.com/get/Others/Miscellaneous/LatencyMon.shtml
    ) and DPC Latency Checker (
    http://www.thesycon.de/eng/latency_check.shtml
    )
    https://www.sweetwater.com/sweetcare/articles/solving-dpc-latency-issues/
    https://www.sweetwater.com/sweetcare/articles/pc-optimization-guide-for-windows-10/
    https://www.sysnative.com/forums/windows-7-windows-vista-tutorials/5721-how-diagnose-fix-high-dpc-latency-issues-wpa-windows-vista-7-8-a.html
     
    Regards
    Jan
    post edited by jan.ynske - 2017/07/31 07:12:24

    DAW: Sonar X2 Producer (x64) and Platinum, 44,100kHz-24bit;
    Platform: Windows, W7U / W10P; multiboot;
    PC HW: P55-GD65 motherboard; processor i7 860 2.7GHz; 16GB RAM;
    Notebook: BTO 15CL19H; processor i7-7700HQ 2.8 -3.8GHz; 32GB RAM;
    Data Storage: terabites on several HDD and NAS backup
    Audio Interfaces: Sonar-V-Studio 100, Soundcraft Signature 12MTK, Roland Duo-Capture Ex, Roland Rubix22
    #2
    Anderton
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    Re: Audio dropouts 2017/07/30 15:46:13 (permalink)
    In addition to Jan's excellent general advice for Windows, in SONAR check under Preferences  > Audio > Sync and Caching and experiment with the buffer sizes. Also when the dropout Toast notification pops up, click on help and go through each of the steps to test for possible causes. 

    The first 3 books in "The Musician's Guide to Home Recording" series are available from Hal Leonard and http://www.reverb.com. Listen to my music on http://www.YouTube.com/thecraiganderton, and visit http://www.craiganderton.com. Thanks!
    #3
    bobernaut
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    Re: Audio dropouts 2017/07/31 08:14:23 (permalink)
    Can you add anymore ram? I just did 2 days ago and it solved the very same problems that you mention-nice. Good luck!
    #4
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