I have just found out Prodigy192 uses 49MHz crystal instead of the 24.5MHz one used by other Envy24HT cards. This is the cause of the problem. I have already filed a bug report https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2938 ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user