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Question: I have installed DAQmx on my machine, but can no longer communicate with my NI digital I/O card (NI6503)

Answer: SoundCheck supports National Instruments DAQmx drivers for analog audio measurements, but not yet for digital I/O instruments. In order to use NI digital I/O boards with SoundCheck, they must be compatible with Traditional DAQ (legacy) drivers. One...

Question: When I am using two NI-DAQmx devices, one for output, the other for input, I see a noticeable decrease in performance versus performing the same play & record Acquisition on a single DAQmx device.

Answer: The reason is linked to the way NI-DAQmx performs their synchronization between devices on the bus. This has been addressed in DAQmx version 8.0, and we...

Question: When I include a sequence that uses an RS232 device as a subsequence, the RS232 device no longer responds.

Answer: When loading the Hardware information for a sequence, SoundCheck only initializes the Hardware devices (RS232, IEEE-488, DC Connect, Digital I/O) from the master sequence. That means, if you are using an RS232 device in a subsequence, the device...