Instrument I/O Assistant won't help you; it's for talking to
instruments connected through GPIB, Serial, and similar buses.
You need to use the Sound VIs. You can use the Example Finder to
search for "sound" and you should find several useful examples.
Brian
In previous support I was told to use port 0 to initialize the
microphone port which worked on the test exe I used to sample the
waveform. I did not have access to the block diagram and cannot
figure out how to record from port 0. I have played around in the
instrument IO dialogue but I only see