22 Dec
2009
22 Dec
'09
3:29 a.m.
Ng Oon-Ee wrote:
On Tue, 2009-12-22 at 15:44 +1100, Patrick Shirkey
wrote:
I did some experimenting with period sizes on my USB card (Behringer
UCA-202 running at 48k) using jackdmp on my Debian Lenny non-RT ordinary
use laptop. It was a bit better about overruns, but not much better than
the 1024 (64msec latency) I usually run here on my non-RT kernel.
Let's try it on musicbox (also non RT, but running regular jack).
Command line reports that frames must be a power of 2: 64, 512, etc. I
tried a period of 100 (worked with jackdmp). I think it's jack 0.116 on
musicbox.
--
David
gnome(a)hawaii.rr.com
authenticity, honesty, community
Are you running the usb device at 44100 or 48000?
Ideally usb cards
should be run at 48000 with period sizes that divide perfectly into
48000. i.e 100, 200, 400, etc...
Could I know more about this, please? 48000 would be the 'generally'
used (besides 96k) for USB sound cards I understand, but what's this
about period sizes? I've always thought period sizes were of the series
8, 16, 32, 64, 128, 256...