Hartmut Noack wrote: They are not hostile, but rather ignorant. They promised to help out, but every time I ask them about it they put me on hold. It's better than nothing of course, but in this case it won't help a lot. Presonus implemented some non-standard way of setting the samplerate, and without their help it's cumbersome to figure out. So I'd rather have them helping out. In any case, the vendors that did provide the stuff we need have priority, and as long as their devices aren't well supported I don't think about less cooperative vendors' devices. Greets, Pieter