case "$1" in

    start)
        # Get the current audio profile.
        defaultprofile="$(batocera-audio get-profile)"
        # Get the current audio device.
        defaultaudio="$(batocera-audio get)"
        # Set the audio device to HDMI-2.
        batocera-audio set HDMI-2
        # Set the default "auto" audio profile.
        batocera-audio set-profile auto
        
        # Unmute the audio device.
        batocera-audio setSystemVolume unmute
        # Set audio level to 69.
        batocera-audio setSystemVolume 69
        # Test the audio device with Mallet.wav
        batocera-audio test
    ;;
    stop)
        # Toggle the audio mute.
        batocera-audio setSystemVolume mute-toggle