How to fix crackling distorted sound from speakers in Linux Mint 20 XFCE

The computer speakers crackle and give distorted sound at high volumes in Linux Mint 20 XFCE. To overcome this, open a terminal window and enter the following commands:

$ alsamixer <enter>
Use the right arrow key to locate the option for Auto-Mute. It will show enabled. Change it to disabled by pressing the down arrow key and Esc to exit alsamixer.

Secondly, enter the following command:
$ sudo apt-get install libasound2-plugins-extra <enter>

Lastly, if above do not work, enter following command:
$ pulseaudio -k <enter>

The crackling or distortion is almost gone.

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