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More => Old Versions => JRiver Media Center 24 for Windows => Topic started by: frankiechun on January 24, 2019, 04:10:41 am

Title: Ask for DSD512
Post by: frankiechun on January 24, 2019, 04:10:41 am

Hello, i want to ask a question.
When i connect my computer to my new Estoeric K03xs, When i choose 8XDSD in native format, there is time lapped during the song, even i choose 3000ms at buffering.
What's wrong with it?

Thanks all

Title: Re: Ask for DSD512
Post by: Awesome Donkey on January 24, 2019, 04:19:09 am

What kind of computer are you running MC on? My guess would be your computer is too slow at handling PCM to DSD conversions on-the-fly.

You can try running the benchmark (Help menu > Benchmark...) and post the results here.

Title: Re: Ask for DSD512
Post by: frankiechun on January 24, 2019, 04:36:34 am

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

Running 'Math' benchmark...
    Single-threaded integer math... 4.525 seconds
    Single-threaded floating point math... 3.097 seconds
    Multi-threaded integer math... 1.280 seconds
    Multi-threaded mixed math... 0.930 seconds
Score: 1932

Running 'Image' benchmark...
    Image creation / destruction... 0.754 seconds
    Flood filling... 0.447 seconds
    Direct copying... 0.722 seconds
    Small renders... 1.135 seconds
    Bilinear rendering... 0.811 seconds
    Bicubic rendering... 0.472 seconds
Score: 5069

Running 'Database' benchmark...
    Create database... 0.175 seconds
    Populate database... 1.042 seconds
    Save database... 0.199 seconds
    Reload database... 0.139 seconds
    Search database... 1.017 seconds
    Sort database... 0.829 seconds
    Group database... 0.701 seconds
Score: 5241

JRMark (version 24.0.72): 4081

Title: Re: Ask for DSD512
Post by: dtc on January 24, 2019, 08:02:40 am

That device handles native 8xDSD without conversion to PCM.

Can you confirm whether Audio Path is reporting that 22.5 MHz DSD is being sent to the USB port?

Title: Re: Ask for DSD512
Post by: Awesome Donkey on January 24, 2019, 11:12:01 am

Native 8xDSD without any conversions shouldn't be an issue when bitstreaming, sure. The way it was worded above suggested to me DSP Studio > Output Format > Output Encoding is set to 8xDSD in native format which also suggests to me everything is being converted to 8xDSD, which is causing a bottleneck issue of sorts due to on-the-fly DSD conversions being one of if not the most resource intensive task MC can do.

Title: Re: Ask for DSD512
Post by: Manfred on January 24, 2019, 12:03:59 pm

I have i3-6100 JRMark ~ 4000. My DAC is only capable to do DSD 64 through DOP. Converting all audio formats on the fly to DSD 64 works - CPU Utilization ~10% (Load full file into memory).

Title: Re: Ask for DSD512
Post by: dtc on January 24, 2019, 05:05:56 pm

Agreed, the CPU could be an issue if converting PCM to DSD.  Playing DSD files, it should not be an issue.

Title: Re: Ask for DSD512
Post by: frankiechun on January 24, 2019, 05:55:17 pm

Thanks all nice guys.

Title: Re: Ask for DSD512
Post by: Awesome Donkey on January 25, 2019, 04:01:54 am

Quote from: Manfred on January 24, 2019, 12:03:59 pm

I have i3-6100 JRMark ~ 4000. My DAC is only capable to do DSD 64 through DOP. Converting all audio formats on the fly to DSD 64 works - CPU Utilization ~10% (Load full file into memory).

I can see on-the-fly conversions to DSD64 doable on most systems. Doing on-the-fly conversions to 8xDSD (or DSD512) on the other hand which is 8 times DSD64, especially multichannel, I can see being too intensive for most PCs/CPUs to handle, except maybe high end CPUs with higher clock speeds.