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Testing Sound – Enable Surrounding Sound In Slackware Linux With Realtek Audio Card

The first idea was occured by windows driver, because in my laptop supported dolby sound. So i found the interesting article to enable surrounding sound.
Before you changed the sound, first test your sound with command:

  • For 4.0 surround (two speakers in front and back)

speaker-test -Dplug:surround40 -c4 -l1 -twav

  • For 5.1:

speaker-test -Dplug:surround40 -c6 -l1 -twav

  • For 7.1:

speaker-test -Dplug:surround40 -c8 -l1 -twav

Make sure, your application audio player or video player stopped. Because the speaker-test won’t work.

if working, now change the file in /etc/pulse/daemon.conf with your favorite editor like vim, jed or nano.

Then find the line like:

default-sample-channels = 2

Because the default is 2, so change to you want. In here i change to channel 8, save then reboot your machine.

Hopefully work!!! Thanks

source: https://help.ubuntu.com/community/SurroundSound

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