Latency Drift

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pretttyugly718
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2018/09/14 15:27:39 (permalink)

Latency Drift

Hey All, 
 
My latency tends to drift. At first, when I load a synth, the latency feels spot on. Meaning that there is no audible delay. I never had this problem with my last interface (MOTU 828x.....terrible product/customer support). Now, with my current interface (Tascam Celesonic 20x20), latency is introduced over time (or if i switch patches or add samples to the synth). When I notice this, I can turn the audio engine off and then back on again and only then does the problem (temporarily) go away. Anyone else dealing with this? I wonder if it's Interface Specific because none of my previous 3 interfaces on weaker PC's did this. Any thought? Thanks.
 
Lee

M.O.S.T. Music
HP Z800 Xeon HEX Core 3.47 GHz/48 Gigs RAM/2 x 256G SSD/4 x 1 TB HDD/Windows 7 SP1 (64bit)
Cakewalk Sonar Platinum/Cakewalk by Bandlab
Tascam Celesonic 20x20 (USB3)
Benchmark DAC1/BLA B173/BBE 482i/Lexicon MX200/DBX 266xs/ etc.
Presonus Monitor Station v2
Behringer X-Touch
Akai MPD32/Alesis Q88
Roland TD4k Drums
 
 
#1

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    JonD
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    Re: Latency Drift 2018/09/14 15:58:29 (permalink)
    Are you sure your USB3 ports are performing as USB3 to match your interface?  IIRC, Win 7 ended its development without native support for USB3 (though there is a workaround/fix). 
    post edited by JonD - 2018/09/14 16:28:39

    SonarPlat/CWbBL, Win 10 Pro, i7 2600K, Asus P8Z68 Deluxe, 16GB DDR3, Radeon HD5450, TC Electronic Impact Twin, Kawai MP11 Piano, Event ALP Monitors, Beyerdynamic DT770 Pro, Too Many Plugins, My lucky hat.
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    bvideo
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    Re: Latency Drift 2018/09/15 12:15:28 (permalink)
    Theoretically possible it's the interface driver. An early version of the driver for mine had the weird behavior of having a different latency every time it was stopped/started, seemingly random.

    W10 pro, Sonar Platinum, Alesis Multimix 16 FW, MOTU Express 128, Gigabyte Z370 HD3P, i7 8700K, 16 Gigs, ssd + 2 X 2T disks, D50-MEX, JV80, A90EX, M1REX
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    henkejs
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    Re: Latency Drift 2018/09/16 16:10:16 (permalink)
    If you're talking about MIDI latency, setting IgnoreMidiInTimeStamps=1 in the TTSSEQ.INI file might help your problem. It worked for a previous interface I owned.
     
    IgnoreMidiInTimeStamps= Boolean 0 (disable)
     
    This line determines whether or not SONAR ignores any
    MIDI time stamping that a MIDI driver does. If you’re
    experiencing increasing delays between the time you
    play a MIDI note on a controller and the time you hear
    SONAR echo it, setting this line to 1 may help. Also, if
    you find that SONAR is recording MIDI data at a different
    time from when the data was played, setting this line to 1
    may help. If the MIDI driver is using a different clock from
    SONAR, the time discrepancy increases the longer that
    the MIDI driver is open, so you need to tell SONAR to
    ignore the timestamp that the MIDI driver adds to the
    data (set the value to 1).

     
    Post edited for clarity.

    A few of my songs
     
    SONAR Platinum, Cakewalk by BandLab, Windows 10, Focusrite Scarlett 6i6.
    #4
    pretttyugly718
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    Re: Latency Drift 2018/09/17 22:14:00 (permalink)
    @JonD - Yea I have it rigged to work at USB3 speeds. I am, however,  interested in your workaround/fix. 
     
    @bvideo - I agree. It's Been over a year since Tascam's last software update for device I am leaning towards the driver as the main culprit
     
    @henejs -I've researched that and did it but did not notice a change. Thanks.
     
    Thanks Walkers,
     
    Lee

    M.O.S.T. Music
    HP Z800 Xeon HEX Core 3.47 GHz/48 Gigs RAM/2 x 256G SSD/4 x 1 TB HDD/Windows 7 SP1 (64bit)
    Cakewalk Sonar Platinum/Cakewalk by Bandlab
    Tascam Celesonic 20x20 (USB3)
    Benchmark DAC1/BLA B173/BBE 482i/Lexicon MX200/DBX 266xs/ etc.
    Presonus Monitor Station v2
    Behringer X-Touch
    Akai MPD32/Alesis Q88
    Roland TD4k Drums
     
     
    #5
    JonD
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    Re: Latency Drift 2018/09/20 04:22:17 (permalink)
    pretttyugly718
    @JonD - Yea I have it rigged to work at USB3 speeds. I am, however,  interested in your workaround/fix.



    It's not "my" fix, in that I've never had to deal with it personally - only read about it.  Basically, because Win 7 didn't natively support USB 3, you have to incorporate the USB 3 driver another way.  The best solution IMO is to upgrade to Win 8.1 which does install the driver (but, of course, many users may not want to go that far). 
     
    If you've already managed to install the USB 3 driver, then you don't have to worry about it.  I would still verify in Device Manager that you actually have the USB 3 host controller working.

    SonarPlat/CWbBL, Win 10 Pro, i7 2600K, Asus P8Z68 Deluxe, 16GB DDR3, Radeon HD5450, TC Electronic Impact Twin, Kawai MP11 Piano, Event ALP Monitors, Beyerdynamic DT770 Pro, Too Many Plugins, My lucky hat.
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