To use ALSA in a virtual machine, the host system must meet certain requirements.

The ALSA library version on the host system must be version 1.0.16 or later.

The sound card on the host system must support ALSA. The ALSA project Web site maintains a current listing of sound cards and chipsets that support ALSA.

The sound device on the host system must not be muted.

The current user must have the appropriate permissions to use the sound device.