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Problem when up sampling to 8xDSD (DSD512)

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JimH:
Please run the benchmark tool in MC's Help menu and paste the results here.

satbox:
=== Running Benchmarks (please do not interrupt) ===

Running 'Math' benchmark...
    Single-threaded integer math... 4,478 seconds
    Single-threaded floating point math... 3,092 seconds
    Multi-threaded integer math... 1,153 seconds
    Multi-threaded mixed math... 0,824 seconds
Score: 1990

Running 'Image' benchmark...
    Image creation / destruction... 0,378 seconds
    Flood filling... 0,395 seconds
    Direct copying... 0,606 seconds
    Small renders... 1,113 seconds
    Bilinear rendering... 0,916 seconds
    Bicubic rendering... 0,491 seconds
Score: 5642

Running 'Database' benchmark...
    Create database... 0,192 seconds
    Populate database... 1,008 seconds
    Save database... 0,203 seconds
    Reload database... 0,061 seconds
    Search database... 0,822 seconds
    Sort database... 0,932 seconds
    Group database... 0,667 seconds
Score: 5535

JRMark (version 20.0.131): 4389

JimH:
A good machine.  It's possible that it's at its limit though.

You're working in an area where not many users go, but the fact that it works for 4x but not 8x suggests that something (possibly including the DAC) has found its limit.

Maybe someone else will have other ideas.

satbox:
OK, thank you for your help.
I think it's more a buffer issue but 500ms is the max., so... Many users use this DAC to upsample to 8xDSD and it works fine.

luisik:
I am having exactly the same problem.

My DAC is a ifi iDSD and I also have a quite powerful computer, where I get my files directly from.

I think it is a problem with JRiver software, because when I upsample to 8xDSD using this DAC with HQPlayer everything sounds smooth and cristal clear, problems free.

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