On Wed, Jul 14, 2010 at 2:10 PM, Michael Rans <mcarans at yahoo.co.uk> wrote: > I have a theory that the $CARD doesn't work for me and may not for others > because of the way in which the %f in a52:%f is generated. > > Would I be right in saying that %f is incremented for each source or sink > ie. you cannot have both iec958:0 and a52:0? You seem to have an odd hardware configuration. Can you provide the output of aplay -l?