From Fedora Project Wiki
Basic Audio Functionality
Built-in Microphone and Speakers
- Record a sound through the Built-in Microphone
- Play it back on the Built-in Speakers
Microphone and Headphone Jacks
- Record a sound through a microphone plugged into the jack
- Play it back on headphones plugged into the jack
PulseAudio Functionality
Longevity
There have been reports of PulseAudio ceasing to work after a little longer than an hour
- Play more than an hour of sound through PulseAudio