Re: [LAU] AMD Ryzen Processors for Linux audio

Interesting!
On my Motu it's 2*128, but I did not really check 3.
Also 2*64 can work but that depends on load.

Best
Moshe

On Thu, Apr 16, 2020 at 10:11 PM Len Ovens <len@email-addr-hidden> wrote:

> On Thu, 16 Apr 2020, David W. Jones wrote:
>
> >
> >
> > I've always used 3 buffers for my Behringer UCA202. That was the advice
> for using any USB audio device. Something due to USB, not a specific device.
>
> With a USB device, there is not only a buffer size to SR relationship but
> also the system USB transfer rate which is 1ms. 48000 at 16/3 is exactly
> 1ms (assuming system clock and media clock line up... which they don't)
> so the theory goes that using 3 buffers makes things come a lot closer to
> lining up with the rate the USB device is actually transfering your audio
> data or at least make it a close multiple. By the time the buffer size is
> 64 it should no longer matter and two should be fine. experimentation will
> show what works best for your system/device.
>
> --
> Len Ovens
> www.ovenwerks.net
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> Linux-audio-user@email-addr-hidden
> https://lists.linuxaudio.org/listinfo/linux-audio-user
>

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Received on Fri Apr 17 04:15:03 2020