On 03/01/2015 04:42 PM, Len Ovens wrote:
> ice1712 - 16/2
> ens1370 - 32/2
> fw - 32/2
> USB - 64/2
> Intel HDA - 64/3
>
> These seem to be based on the size of the HW buffer in the IF itself
> and/or the bus protocol in use. AES67 suggests 16/3 (1ms) and I suspect
> both FW and USB may bennefit from /3 as well after reading the AES67
> reasoning for 3 buffer use.
<pissing contest alert>Fwiw, I can go down to 8/3 with my USB interface
;)</pissing contest alert>
> Anyway, all of the things I do for a PCI audio IF, I would also do for
> the USB or FW host card. In a desktop machine, I would tend not to trust
> any onboard FW or USB hosting, choosing rather to buy a PCIe card and
> treat that card the same as I would a PCI(e) audio card. I have found
> with USB audio IFs that when setting up /etc/default/rtirq it is best to
> single out the USB port I am using for sound.
Forgot about that one, I have bought a separate PCIe USB card with a
recommended host controller specifically for my USB interface and I also
made sure its IRQ gets a high prio.
Jeremy
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/listinfo/linux-audio-user
This archive was generated by hypermail 2.1.8 : Sun Mar 01 2015 - 20:15:02 EET