On Tue, 2006-05-23 at 20:00 +0100, Taiyo Rawle wrote: > Hello all! > > I'm trying to set up an Alesis iO|2 USB interface, but > I've ran into a few problems. I think they may just be > configuration issues. > > Firstly, playback of stereo files through XMMS works, > but playing a mono file puts white noise through the > right hand output. >
What output device is XMMS using? It should use plughw:x where X is the number of the card. > Also, I seem to loose source mixing with this card > (only one app can use it at a time) whereas it worked > fine with my old PCI card (snd-emu10k1) which is still > fitted. > Yes. The emu10k1 does hardware mixing, the USB device does not. You would have to configure dmix or use a sound server like JACK for multiple apps to access the card. > I understand that the iO|2 only supports 24bit and all > non-24bit audio needs to be converted before being > sent to the card (could this cause the static with > mono playback?). This leads me to another question, > can I configure ALSA to do this automatically for all > programs so that games and the like work with it? > Yes, just configure your apps to use plughw:X. > Finally, I get weirdness when I unplug or re-plug the > iO|2 - XMMS won't play any more (I get the error box > telling me about misconfigured soundcards) and > restarting ALSA doesn't help. Other programs continue > to use the PCI card. > What kernel version? Bad things will happen if you disconnect a USB audio device during playback. > I'm using Mandriva 2006, the shipped kernel comes with > alsa 1.0.9b, I also have 2.6.16.16 with alsa 1.0.11 > It's best to use the newer version. > I'm rather new to ALSA configuration so any help would > be much appriciated! > > Cheers! > -Taiyo > > > > ___________________________________________________________ > Try the all-new Yahoo! Mail. "The New Version is radically easier to use" – > The Wall Street Journal > http://uk.docs.yahoo.com/nowyoucan.html > > > ------------------------------------------------------- > All the advantages of Linux Managed Hosting--Without the Cost and Risk! > Fully trained technicians. The highest number of Red Hat certifications in > the hosting industry. Fanatical Support. Click to learn more > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=107521&bid=248729&dat=121642 > _______________________________________________ > Alsa-user mailing list > Alsa-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/alsa-user > ------------------------------------------------------- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnk&kid=107521&bid=248729&dat=121642 _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
