07. sound

add these USE flags in /etc/portage/make.conf

alsa alsa-plugin pulseaudio

do a

emerge --ask --changed-use --deep @world

install alsa

emerge --ask media-sound/alsa-utils

let alsa start automatically

rc-service alsasound start
rc-update add alsasound boot

you can configure als with

alsamixer

and test speakers with

speaker-test -t wav -c 2

references:

https://wiki.gentoo.org/wiki/ALSA

https://wiki.gentoo.org/wiki/PulseAudio