On Fri, 2011-04-08 at 17:57 +0200, Alexey Fisher wrote: > Hi > Am Freitag, den 08.04.2011, 11:42 -0400 schrieb Olivier Crête: > > > dtx=1 > > > # do not send any packets on silence > > > # see Bug https://bugzilla.gnome.org/show_bug.cgi?id=646474 > > > > This gives you the impression that the bitrate is lower because you > > don't send why not speaking. But it doesn't change the maximum bitrate > > (when speaking) which is all that really matters for quality.. > > > > It will also break if WMM is enabled, in that case, the wireless router > > only sends out frames when it receives one, so you have to send > > continuously to keep on receiving. > > My fault in description. It send about 2 packets/sec to keep connection.
That's not enough.. You won't get incoming packets unless you send outgoing packets.. so if you send 2 packets per second, it means you only get incoming packets twice per second, which will destroy your audio. Unless someone tells me there is a reliable way to temporarily disable WMM from an application, DTX is not usable with WiFi networks. > > > nframes=4 > > > # allow better compression and bigger packet size. It reduce network > > > # traffic to 13 packets/sec. (with default options ~50 packets/sec). > > > # the value bigger than 4 will introduce stuttering. > > > > This will increase latency, but should definitely improve compression. > > But it gives less leeway to the jitterbuffer to do its thing. Maybe we > > can increase to 2 which is already 40ms.. 4 is 80ms which is way too > > much (the default jb is 100ms in Empathy). > > I'll try it. > > Are there any way to change the settings for empathy? I tryed to add > speexenc in element-properties file, but it looks like without any > effect. That should be all. -- Olivier Crête olivier.cr...@collabora.co.uk Collabora Ltd
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