Linux sound card driver problem

Recently turn Gentoo, everything is ready to install, but want to use youtube to watch a video, when actually there is no sound, it is estimated they have to toss a little longer.

(Advanced Linux Sound Architecture, ALSA) is provided in the Linux kernel component of the sound device driver, to replace the original sound open system (Open Sound System, OSSv3).

• System Environment: Linux hcj.com 4.1.15-gentoo-r1
• Components: alsa
• Prerequisite: kernel is configured to support

Hardware display

1	lspci | grep -i audio

installation

1 2 3

euse -E alsa emerge --ask --changed-use --deep @world emerge --ask alsa-utils

Start voice service

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1 2	Start /etc/init.d/alsasound rc-### Update the Add alsasound boot boot-level voice service settings

Lists the device name

1	cat /sys/class/sound/card*/id

Configuring the default device

1	vi ~/.asoundrc

Finally, do not forget to restart it.

Reference Link 1

Reference Link 2