on 03/09/2007 03:58 PM, Rich E wrote: ... > > I can only find one firmware updater on the RME website, which says that it > will update the firmware to 15.2, the newest version. Is there an older > firmware updater for the purpose of downgrading? > I don't know. But I think there were mails about downgrading the firmware. Perhaps you can find sth in the alsa-user or alsa-devel mail archives. > > I can imagine several possible reasons for your xruns but I'm not an >> alsa expert so maybe some/all of my ideas are wrong: > > > Can you think of any that would explain why I don't get the xruns at 32k, > 88.2k, and 96k? > xruns sounds like sth related to timing and timing changes with the sample rates. just an idea > 4) Most important: Disable the 'precise pointer' option of the hdsp >> driver if it is enabled: > > > I disabled this at your suggestion. Would you mind explaining what > 'precise > pointer' does (wrong)? > > I just found my own error description when 'precise pointer' was active: "Signal played back is/sounds correct, but recorded signal is distorted: Every 4096 samples 32 samples are wrong, audible as clicks every approx. 1/12 second." It seems there are problems when recoding, not when playing back only. Therefore, possibly no improvement now. But when you start recording, this might be important. I also found an interesting link: http://pd.klingt.org/files/hdsp-howto.html There's a section about xruns that might help. --fe ------------------------------------------------------------------------- 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