### From Pulseaudio monitor source (Easy, default if supported)
First make sure you have installed pulseaudio dev files and that cava has been built with pulseaudio support (it should be automatically if the dev files are found).
Just make sure you have installed pulseaudio dev files and that cava has been built with pulseaudio support (it should be automatically if the dev files are found).
If you're lucky all you have to do is to uncomment this line in the config file under input:
method = pulse
If you're lucky all you have to do is to run cava.
If nothing happens you might have to use a different source than the default. The default might also be your microphone. Look at the config file for help.