Hi Geoff,
Perhaps you know what is going wrong with Ununtu jaunty Skype - recently
I upgraded from ububtu 8.10 to 9.04 and although sound work well with
all non-skype applications the Skype complains that it have problem with
audio playback and capture device.
Strace shows the problem is :
ALSA lib pcm.c:2205:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
And I saw in ubuntu forums that smbody just installed skype build with
static oss bound,
but I woul dlike to stay with alsa model.
geoffrey mendelson wrote:
On Sep 3, 2009, at 11:44 PM, [email protected] wrote:
Sound on Skype is very unpredictable. Sometimes it works well and
sometimes it doesn't. I often get brake up (pauses) with speech. Or I
find that the Skype Sound settings in Options have changed. Or before
it worked now it won't.
I get the same problems (breakup) and other random problems under both
MacOS and Windows on several different computers. I think it is a
SKYPE problem, not a Linux one.
You can turn on a display of packet information and see how many
dropped or out of sequence packets you get. You can improve it if you
open a UDP port on your router for SKYPE. The port is a user setting
so you can do it for more than one computer if you share a router.
BTW, SKYPE is very careful to keep the exact details of their protocol
hidden, though some people have packet sniffed it. Because it is
hidden, one of the things I can't do is to give it priority (QOS) over
other things on my router. Therefore SKYPE is often a less than
desirable way for me to communicate. I use SKYPE, and yes they do get
some of my money, but most of my money goes to SIP providers who use
an open protocol. YMMV.
Geoff.
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