20 Jun
2008
20 Jun
'08
11:03 p.m.
On Fri, Jun 20, 2008 at 6:40 PM, Norval Watson <norv2001(a)yahoo.com.au>
wrote:
Are you running a real-time kernel (rt)?
Yes, I am. It's the default kernel in Ubuntu Studio. I get almost no Xruns
in JACK too, so as far as I know, its a separate problem. I have noticed
though that one of the few times I'll get one or two Xruns is when I switch
instruments within ZynAddSubFX. Not sure if that matters.
In case its helpful, here's some of my JACK settings:
Realtime: checked
Monitor: checked
H/W Monitor: checked
H/W Meter: checked (I'm not sure why I have these last two boxes checked,
does it matter?)
Frames/Period: 64 (I've tried 128 too, and that didn't seem to change
anything with ZynAdd)
MIDI Driver: seq
Sample Rate: 48000
Periods/Buffer: 2
Port Maximum: 256
Timeout: 500
As for ZynAddSubFX settings, here's some of the relevant ones:
Sample Rate: 48000
Buffer Size: 256
OscilSize: 512
PADsynth Interpolation: Linear (fast)
Append: checked
XML compression level: 3
Any ideas?