Hello,
When, for some reason, I don't activate pulseaudio an use only ALSA, and
have a call with any PSTN subscriber, the person I am speaking to notes
every each about 5 to 8 seconds, short holes in my speech.
This phenomenon is the same no matters which Linphone's version is in use
(3.5.2, 3.6.0 or 3.6.1) and which of my two soundcards ("ALSA: NVidia CK804"
or "ALSA: Ensoniq AudioPCI" or "ALSA: default device").
I did numerous outgoing and incoming streams captures with Wireshark and the
result is every time the same: while incoming data is sampled at 8000 Hz,
outgoing one is invariably sampled at 7969 or 7968 Hz. (Don't know if this
make sense but everybody notices the relative error is near from 1/256.)
These results are the same on several computers and several linux
distributions (Mageia 2, Mageia 3, Debian Jessie, Fedora 18, Archlinux) but
not on computers which have only one souncard and Mageia 2.
Perhaps somebody knows some setting I could put in the sound section of my
.linphonerc and/or in my .asoundrc file to improve this Linphone's behaviour
? Such a possibility is mentioned here:
https://www.linphone.org/eng/documentation/dev/tuning-linphone.html with
"alsadev=" setting but I need some help... TIA for your advices and suggestions.
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