Hi, I would like to use LabVIEW 8.6 for acoustic measurements using MLS (Maximum Length Sequence) with a NI 4461 For this I have to send the sequence to the speaker and record simultaneously the response of the system with an IEPE microphone I manage to do this separately, but not at the same time Which program structure do I have to use to perform the analog output and analog input tasks simultaneously? Would this be easier with a NI 4431? Regards Marc

LabVIEW

Im also very interested in this example if someone could share it?

Ive got 4 outs and 12 ins spread over an array of 4 NI-4461/4462 cards.

Any help much appreciated!

Greets

A:.

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