Ubuntu audio parameter settings

Audio related tools under Ubuntu##

• pacmd: Used to view audio device parameters. The specific command is as follows: pacmd list-sinks
• pulseaudio: Turn off or start the sound card.

pacmd command##

pacmd list-sinks

Find the sample spec keyword in the output information

pulseaudio command##

Turn off the sound card###

pulseaudio -k

Start the sound card###

pulseaudio --start

Modify sound card parameters##

• Open /etc/pulse/daemon.conf
• Find related parameter options
• Modify audio parameters
• save