xfce4-mixer: xfce4-mixer (Sound mixer applet for Xfce) xfce4-mixer: xfce4-mixer: The xfce4-mixer package contains a volume control application based xfce4-mixer: on GStreamer written to conceptually fit into the Xfce desktop xfce4-mixer: environment. It also contains a plugin for the Xfce panel which is xfce4-mixer: especially designed for use with the mouse wheel. xfce4-mixer: xfce4-mixer: xfce4-mixer: xfce4-mixer: xfce4-mixer: