Gentoo – Getting Sound With Alsa
In order to get sound working in Gentoo you need to set up ALSA. If you have not set up your kernel with ALSA support you will need to do so, see here for more information. Recompile your kernel with ALSA support and your sound card built in. Then do the following:
- Set all of the levels and unmute the necessary channels.
Reboot your pc and you should now be able to play a .mp3 file by using the following command: if you hear the song playing alsa is working properly.