Hi,2013/8/10 Ashworth Payne <email.ashworth@gmail.com>
> i have several different usb audio interfaces of remarkably low quality, and LS has had no problems using them.
> but i also have a high-end usb audio interface capable of 24-bit/96khz (hey its high-end to me) and ls is falling on its face when i try to use it.

The ALSA API can be quite tricky to setup... Do you have an example of what you are trying to achieve?