ASIO Latency help

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  1.    2 Weeks Ago #1

    ASIO Latency help


    Hey guys, I was wondering if there is any way I can check to see what the best Latency my Pc can handle with my Scarlett 2i2 2nd Gen interface, see I play Guitar using Amplitube 4 and Reaper for recording, but could never get my Latency down, I have a pretty powerful Pc so the hardware side of things isn't really an issue.

    Thanks guys.
      My ComputerSystem Spec

  2.    2 Weeks Ago #2

    If you're experiencing stutter or glitches, you can run a check with Resplendence's LatencyMon (free).

    However it can be hard to identify the root cause (driver-related).

    Example: 1 user found his PC fine on 1709, but upgrading to 1809 introduced a driver difference. By painstakingly identifying the driver, he was able to use the driver used with 1709 to replace that in 1809.

    There are several threads demonstrating the use of LatencyMon and Windows Performance Recorder. Simply search the forum for
    Latencymon
    stutter

    for example
      My ComputersSystem Spec

  3.    2 Weeks Ago #3

    Thank you bud I'll check it out now.
      My ComputerSystem Spec

  4.    2 Weeks Ago #4

    If your sound device has true ASIO driver, you can use program AsioConfig to set base latency. Then check overall latency in your DAW software.
    http://www.djdecks.be/asioconfig.exe

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    Otherwise, you need to experiment with ASIO4ALL program.
    ASIO4ALL - Universal ASIO Driver For WDM Audio
      My ComputerSystem Spec

  5.    2 Weeks Ago #5

    And in the case Reaper does not show overall latency, try Cakewalk by BandLab - it is free after registration:

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    It is not possible to have pure zero latency; however if your instrument is not MIDI connected, you can monitor its sound at analog input line (before DSP) and set recording time compensation in DAW program.
    Last edited by muchomurka; 2 Weeks Ago at 19:43.
      My ComputerSystem Spec

  6.    2 Weeks Ago #6

    Lads, You're all amazing, in Reaper, with 48000hz and 128samples it's giving me around 6ms response.
      My ComputerSystem Spec

  7.    2 Weeks Ago #7

    I have the choice using ASIO to adjust the samples from 16 to 512, what is this samples? And how do I know what's best for me?
      My ComputerSystem Spec


  8. Posts : 46
    Windows 10 Pro 64 bit ver. 1809
       2 Weeks Ago #8

    dalchina said: View Post
    If you're experiencing stutter or glitches, you can run a check with Resplendence's LatencyMon (free).

    However it can be hard to identify the root cause (driver-related).

    Example: 1 user found his PC fine on 1709, but upgrading to 1809 introduced a driver difference. By painstakingly identifying the driver, he was able to use the driver used with 1709 to replace that in 1809.

    There are several threads demonstrating the use of LatencyMon and Windows Performance Recorder. Simply search the forum for
    Latencymon
    stutter

    for example
    Sorry for hijacking this thread! I installed LatencyMon and the program (latest version 6.70) froze totally! The only way to stop this program was to reboot. Also I noticed when uninstalling it leaves a driver i Windows-system32 folder. I had to manually clean leftovers i the registry to get rid of it. This bad behavior is sadly very common for programs that also installs drivers (.sys files).

    The driver file is either rspLLL32.sys or rspLLL64.sys depending on your os version.
      My ComputersSystem Spec

  9.    2 Weeks Ago #9

    Hmm, sounds unfortunate. Not heard of any such issue with previous versions. Have you reported this on Resplendence's site?
      My ComputersSystem Spec

  10.    2 Weeks Ago #10

    anthrax2471: Although it is greatly subjective, values about 5 millisecond supposedly *should* be acceptable for most players and instruments... (Grand piano playing is different story.)

    Relation between sample rate, number of samples in buffer and latency:
    "To calculate milliseconds from samples, simply divide the number of samples by the sample rate. For example, 512 samples/44.1 kHz = 11.7 ms."
    You can find more info at websites related to any DAW, for example:
    Digital Audio Latency Explained | PreSonus
    How to reduce latency Ableton
    Sample Rate, Bit Depth Focusrite Audio Engineering
    and many more.

    What is best for you - in general, combination of the lowest latency and the highest sample rate (and highest bit depth of course) which does not produce sound distortion/artifacts. It depends on your sound equipment; you need to experiment a bit.
    Last edited by muchomurka; 2 Weeks Ago at 05:43.
      My ComputerSystem Spec


 
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