Set audio device to PortAudio in Jitsi
Using PulseAudio in audio communication is a debatable issue, because someone gets a good experience, but some others do not. On Jitsi official document, the PortAudio is recommended.
The problem is when you use Jitsi to chat, or even turn on the notification sound, both the speaker and microphone volume level will become to the highest level automatically. The worst part is that, you cannot adjust the volume back to normal level manually. The Jitsi will constantly push them to the highest level.
This is what the hell just happened on the following screen capture:
Firstly, you have to install PortAudio into your computer. We use Fedora 20 as an example, you should type following command to your terminal emulator:
su -c 'yum -y install portaudio portaudio-devel'
You may not need the portaudio-devel package if you do not want to compile Jitsi from source code.
Secondly, you just need to follow the the picture below to adjust your Jitsi option.
After doing the two steps above, you will be all set!
Have fun, be free.
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