On Monday 15 Mar 2010 20:29:20 Mark Greenwood wrote: > On Sunday 14 Mar 2010 11:39:59 Colin Guthrie wrote: > > 'Twas brillig, and Mark Greenwood at 14/03/10 09:56 did gyre and gimble: > > > If I enable pulseaudio, skype automatically sets all the audio > > > options to be pulseaudio - there is no option in this version to use > > > ALSA if pulse is enabled, which is sensible enough I guess. > > > > Yeah this is definitely sensible. I'm hoping the Skype guys will remove > > the whole dropdown selectors when PA is detected to avoid people > > expecting that alsa and pulse can play nicely together in a system > > without one or other ultimately being locked out at some point. > > > > > > > But although I can make calls, and the other end can hear me and I > > > can hear them, the other end can also hear themselves - as loud as me > > > with a slight delay. They all say it's so offputting that they can't > > > hold a conversation. > > > > Interesting.... > > > > > If I turn my microphone down, the other end says the echo goes away - > > > but they can't hear me either. Moving the microphone away from the > > > speakers isn't an option as this is on a laptop. > > > > Hmm, it's strange that this is somehow different on PA vs. Non-PA.... > > the code for echo cancellation should be the same regardless. > > > > > Now, I wouldn't be here asking daft questions about closed source > > > software - except that it all works fine when pulseaudio is not > > > involved. It almost appears as if there's some echo cancellation > > > which is broken when pulseaudio is in the mix, or that possibly pulse > > > is feeding the incoming voice conversation back into skype somehow. > > > > > > Any ideas on how to go about making it work? > > > > There were some skype related fixes in the stable-queue branch recently. > > I believe all these fixes are in the PPA you mention for Ubuntu. I don't > > think these are related but there are lots of misc bugfixes between > > 0.9.19 and 0.9.21+stable-queue anyway, so it's always best to use that > > version. > > > > Let us know how you get one with that one. > > OK, with 0.9.21+stable-queue the situation is significantly better. Not > completely cured, but the other end now reports a slight, quiet, distorted > echo which is not distracting. So that's good. > > However I notice that CPU usage for pulseaudio during a skype call is 35% > (Core II duo, 2GHz) and there seems to be a significant 'lag' effect on other > network traffic. This last might just have been a random thing of course but > I've never experienced it before. This is not good. I'm going to switch back > to plain ALSA and see if the same lag effect happens again - we use Skype for > conference calls during online gaming. We all reported very significant > in-game lag this time when I was running PA and none of us have ever had this > before).
OK, even wierder, now that I've uninstalled pulseaudio, the other end says the echo has come back! (bangs head on table, considers just buying a Mac) Mark > > Cheers, > > Mark > > > > > Col > > > > > > > _______________________________________________ > pulseaudio-discuss mailing list > pulseaudio-discuss@mail.0pointer.de > https://tango.0pointer.de/mailman/listinfo/pulseaudio-discuss > _______________________________________________ pulseaudio-discuss mailing list pulseaudio-discuss@mail.0pointer.de https://tango.0pointer.de/mailman/listinfo/pulseaudio-discuss
