On Tue, Jan 22, 2013 at 5:56 PM, Len Ovens <len@xxxxxxxxxxxxx> wrote: > > On Tue, January 22, 2013 1:26 pm, Bob van der Poel wrote: >> Anyone with experience using the UCA202? I tried it the other day >> using audacity and found that it played and recorded just fine if it >> was only doing one or the other. But, if I had existing tracks in >> audacity and played those (only 1 stereo) and recorded a 2nd track ... >> the recorded track sounded like it was filtered though a motorboat >> engine (sputter, sputter ...). >> >> I did the recording again directing the output to an existing device >> and all worked fine. So the setup seems to be useable. I am thinking >> that audacity (alsa?) can't read+write to the device? >> >> I'm running Ubuntu 12.04. Didn't have jack running. > > I have found with USB audio, I have to find a USB plug that has it's own > IRQ. For example I have: > > 16: 12488044 0 IO-APIC-fasteoi ehci_hcd:usb1, > uhci_hcd:usb2, i915, ath9k > 17: 0 0 IO-APIC-fasteoi uhci_hcd:usb3 > > That USB2 is the left side plug on my machine, the usb3 is the right... I > only use the one on the right. I also have found I have to unload the > wireless kernel module as it's once a minute scan gives xruns... once > every five seconds if wireless is disabled. Oh, that's interesting. I had it plugged into one of the 2 ports on the front of the box. Had a look at /proc/interrupts and see that I picked a busy port. The 2nd port on the front seems less used. I'll give that one a try. -- **** Listen to my CD at http://www.mellowood.ca/music/cedars **** Bob van der Poel ** Wynndel, British Columbia, CANADA ** EMAIL: bob@xxxxxxxxxxxx WWW: http://www.mellowood.ca _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
