Hi Le dimanche 12 novembre 2006 à 16:25 +0000, Mario Rossi a écrit : > Hi > > I've finally installed ekiga 2.0.3 (compiled from sources) and I've > done some testing using the dmix plugin.
http://wiki.ekiga.org/index.php/Getting_several_applications_using_the_sound_card_at_the_same_time_%3F as a start. Regards, Yannick > > During the tests I've used no webcam (so to avoid any overload of the > system) and tried the echo server of ekiga. > > Using the direct alsa output, jitter buffer goes at 20 and the quality > is very good. In my tests sometimes it increases to 40, most of the > times stays at 20. > > Using the "default" (i.e. dmix) the quality is bad while the jitter > buffer increases. > In the worst cases it keeps increasing till 500 (very fast), other > times it slowly increases, sometimes it stabilises at around 300. > Usually (but not always) the quality improves when the jitter stops. > > If there is an other application playing sond, the growth of the > jitter to 500 is usually faster. > > Sorry about my ignorance, but what is the jitter buffer? How does it > interact with dmix and alsa? > > I've found that using the sound event settings I can have the "ring" > with dmix and then before answering I have to stop other applications > playing sound, so in my case the limitation of dmix is not really that > big, but anyway... > > Thanks > > >> > >> If I use the hardware directly the quality improves but I still have > >> some problems when I set the full screen. > >> > >> Is there any setting that could affect audio quality? > >> > > >If it happens when you set to fullscreen, you are probably using too > >much CPU ressources. > > >Be careful also that you are perhaps wasting your bandwidth with too > >large video transmission or too high settings. > > >Just check the value of your jitter, it will help a lot to determine if > >there is a problem related to CPU/Bandwidth (if it goes over 500ms, then > >the problem is at this side, if not, then the problem is on the ALSA > >side). > _______________________________________________ > ekiga-list mailing list > [email protected] > http://mail.gnome.org/mailman/listinfo/ekiga-list > -- Me joindre en téléphonie IP / vidéoconférence ? sip:[EMAIL PROTECTED] _______________________________________________ ekiga-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/ekiga-list
