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Voice/Linux Sound Settings - Second Life Wiki
http://wiki.secondlife.com/wiki/Voice/Linux_Sound_Settings
Pulseaudio ( IMPORTANT:I had to get Pavu (Pulse audio volume control) from the repositories; In Pavu's GUI,which will be conveniently located in the sound&video menu i had to choose "show all streams",you should then see "ALSA-plugin [SL Voice]" listed as a stream.
Second Life (on Linux!:)
https://secondlifelinux.blogspot.com/
This is because Second Life Viewer uses ALSA by default to play sound. If you use pulseaudio then, you probably have something like alsa-plugins-pulseaudio installed. This works like this: SL Viewer 'thinks' it uses ALSA, but alsa sends all the audio to pulse.
PulseAudio - Official Kodi Wiki
https://kodi.wiki/view/PulseAudio
PulseAudio is used when Kodi is installed in a desktop-environment rather than a dedicated/direct boot setup. PulseAudio allows normal video & audio playback in XBMC while at the same time allowing the user to get audio in their browser or other applications. It also allows Kodi playback of video or audio to be paused in order to run a game ...
PROBLEM WITH AUDIO (MUSIC ... - Second Life Community
https://community.secondlife.com/forums/topic/41817-problem-with-audio-music-streaming-in-linux-ubuntu/
If you still have the problem, close SL and look in the startscript where it says: #export LL_BAD_OPENAL_DRIVER=x. Delete the # in front of it. Restart SL. Then it should work. If you don't have PulseAudio nor ESD, i would install esd (esound-common and esound or similar name), start it by esd in the xterm and make the changes above.
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