> What rate are you playing audio back at? Might JACK be sending audio at > a different rate than your other audio apps?
Nope, ive tried different rates, all do it (im trying to use 48khz). Any other ideas? Thanks again. > Mark Williams (MWP) wrote: > >>Hi Mark, > >> > >>Have you tried the card in a different machine? I've played with a > >>couple of these cards and haven't seen this problem at all. It sound > >>like an interference problem if anything. > >> > >>Try a different power supply, or move the audio card as far away from > >>the rest of your addon cards. Make sure no cables are near or touching > >>the card; I've seen interference from an addon USB cable near the card. > > > > > > I have thought about the possibility of interferance. > > > > The fact there is no problem while using JACK to output audio leads me to > think > > it has to be an ALSA issue. > > > > I know what power supply / EMI induced noise sounds like, and this isnt > it. > > The noise (well its actually a tone) is constant and doesnt change with PC > load > > or HDD use. > > I have made sure that the card is in the bottom PCI slot and is away from > noise > > creating hardware. > > > > Thanks > > > > > >>>Anyone?? > >>> > >>>I need to get this problem fixed. > >>> > >>>Is there any othr info i can provide that will help work out the problem? > >>> > >>>Thanks. > >>> > >>> > >>> > >>>>Hi all, > >>>> > >>>>Ive come across quite an odd problem. > >>>> > >>>>When playing audio via my Revo7.1 card using ALSA, i get a high pitched > >> > >>tone (est > >> > >>>>~14khz) mixed with the audio im playing. > >>>> > >>>>The tone is constant and is not effected by the volume controls. > >>>>The tone is only present while an app (for example aplay) is using the > >> > >>card. > >> > >>>>Some apps cause the tone to be louder thea others (but the tone is of > the > >> > >>same > >> > >>>>constant freq). > >>>> > >>>>What makes the problem strange is that if i use JACK to play audio > through > >> > >>the > >> > >>>>card, the tone isnt present at all. > >>>> > >>>>Has anyone else come across this problem? > >>>> > >>>>BTW, im using the latest kernel (2.6.5) with the ALSA drivers that came > >> > >>with it. > >> > >>>>Thanks, > >>>>Mark. > >>>> > >>>> > >>>>------------------------------------------------------- > >>>>This SF.Net email is sponsored by: Oracle 10g > >>>>Get certified on the hottest thing ever to hit the market... Oracle 10g. > > >>>>Take an Oracle 10g class now, and we'll give you the exam FREE. > >>>>http://ads.osdn.com/?ad_id=3149&alloc_id=8166&op=click > >>>>_______________________________________________ > >>>>Alsa-user mailing list > >>>>[EMAIL PROTECTED] > >>>>https://lists.sourceforge.net/lists/listinfo/alsa-user ------------------------------------------------------- This SF.Net email is sponsored by Sleepycat Software Learn developer strategies Cisco, Motorola, Ericsson & Lucent use to deliver higher performing products faster, at low TCO. http://www.sleepycat.com/telcomwpreg.php?From=osdnemail3 _______________________________________________ Alsa-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-user
