"/usr/bin/amixer -q -D pulse sset Master 2%+ && ~/bin/notifyvolume"
    XF86AudioRaiseVolume
"/usr/bin/amixer -q -D pulse sset Master 2%- && ~/bin/notifyvolume"
    XF86AudioLowerVolume
"/usr/bin/amixer -q -D pulse sset Master 0% && ~/bin/notifyvolume"
    XF86AudioMute