Audio loopback in linux kernel?

[Bob Olson]

> How stable is the manufacture of this card?  I'd heard that cards coming
> from boxes labeled "Ensoniq AudioPCI" might or might not work with the
> same Linux drivers, as though the hardware were being changed without
> renaming the card.

At some point Creative switched from the 1370 sound chip to the 1371 chip.
With that change came AC97 compliance and the change in mixer semantics.

--bob