Hi, In the USB-Audio.conf file, the Xonar U7 requires the following definition inthe following section USB-Audio.pcm.iec958_device { "Xonar U7" 1 for the spdif to function correctly Thanks Steve Banks _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel