>i have the delta audiophile, and i get 1.3 to 1.4 ms latency, minimum midi
not at 48kHz, i think. you mean 1.3msec periods, with 2 periods. i don't think there are any audio interfaces that allow you to drop below 64 frames per interrupt. unless you want to use the RTC as an interrupt source and run from that, 2.6msec is pretty much the hard limit for modern h/w. --p
