When Skype sound gives the repeated sound breakup the console gives me the following:
RtApiAla: unerrun detected RtApiAla: unerrun detected RtApiAla: unerrun detected I tried opening another port 60002 sometimes this occurs as the test call is happening. I have tried re-booting and re-logging in. More detailed info on my Sound Card Mandriva Hardware Settings: (Mandriva Linux Control Center 2009.1 (Official) [on localhost]) Sound Configuration Dialogue box shows the following: Here you can select an alternative driver (either OSS or ALSA) for your sound card (C-Media Electronics Inc|CM8738). Your card is currently use the ALSA "snd_cmipci" (default driver for your card is "snd_cmipci") Driver: C-Media CM18x38 PCI (snd_cmipci [ALSA]) Ticked are the following: Enable PulseAudio Automatic routing from ALSA to PulseAudio Enable 5.1 sound with Pulse Audio Enable user switching for audio applications Use Glitch-Free mode I have also tried cmpci [OSS] I am sure that Geofrey Mendelson is right it's a Skype bug causing it. One lead I saw was replace Alsa with esound. I don't know how to do that to be honest. I saw this on www.linuxquestions.org Moshe -----Original Message----- From: geoffrey mendelson <[email protected]> To: [email protected] Cc: [email protected] Sent: Fri, Sep 4, 2009 12:30 am Subject: Re: Alsa Underrun problems with Skype On20Sep 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. --geoffrey mendelson N3OWJ/4X1GM Jerusalem Israel [email protected]
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