Re: [GnomeMeeting-list] Jitter Controls

[Aaron VanDevender <sig netdot net>]

I'm using Linux. I increased the minimum buffer to 100 ms, and the
jitter essentially went away. I wonder if I could do as well by
compiling with kernel preemption. Has anyone tried this?

On Wed, 2006-02-15 at 12:31 +1100, Craig Southeren wrote:
> On Tue, 14 Feb 2006 19:23:55 -0600
> Aaron VanDevender <sig netdot net> wrote:
> 
> > I'm using Ekiga 1.99 (Beta 2). Occasionally I hear some audio jitter in
> > the dialog. This is especially true when there is system load or system
> > interrupts happening, such as when I flip desktop pages, or drag windows
> > around, or do some heavy disk I/O. I notice that in the Audio Codecs
> > config there are values to set minimum and maximum jitter buffers. They
> > default to 50 and 200 ms respectively. There is no description, though,
> > of what these values mean, or what effect on the operation of the
> > program changing these values might have. So my question is, what do
> > these do? And what should I change them to if I'm getting some jitter in
> > my calls?
> 
> Are you using Windows or Linux?
> 
> I get the same issue on with nearly every VoIP client on Windows. If I
> start doing other stuff on the same machine, clicks and breaks starts
> occurring in the audio. 
> 
> I don't think this is a jitter problem, I think it has to do with the
> priorities of the processes reading and writing to the audio device. But
> I'm not sure.
> 
>    Craig
> 
> -----------------------------------------------------------------------
>  Craig Southeren      craigs postincrement com / craigs voxgratia org
> 
>  Phone:  +61 243654666      ICQ: #86852844
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> 
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