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Oscilloscope NI ELVIS display frequency

Hello,

 

I am a Biology student doing my thesis, and I use Arbitrary Waveform Generator - NI ELVIS mx, to emit different sound frequencies. But I would also like to check the frequencies that I emit, with a hydrophone which is connected with myDAQ via Audio In, but the Oscillocope - NI ELVISmx doesn't give a value for frequency. It does give a faint line so the hydrophone is working, but I would like to get a frequency value. My supervisor doesn't know how to fix this problem and can't find the answer on Google. So, hoping the answer is very simple, does anybody know what I should do?

 

Thanks in advance.

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Message 1 of 3
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Hi Daphnia, you can use the Dynamic Signal Analyzer soft front panel to obtain the peak frequency component of an audio signal.

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Message 2 of 3
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Thanks, but that didn't give me a frequency value.

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