As a starting point I'd suggest capturing the analogue output, and then comparing with audio diff maker to establish that there is a measurable difference.
See elsewhere on this forum for the use of audio diff maker. -- Grahame ------------------------------------------------------------------------ Grahame's Profile: http://forums.slimdevices.com/member.php?userid=1200 View this thread: http://forums.slimdevices.com/showthread.php?t=77908 _______________________________________________ Touch mailing list Touch@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/touch