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Has anyone written octave & FFT signal analysis for the NI4474 4-channel Daq?

Has anyone written octave & FFT signal analysis for the NI4474 4-channel Daq? I'm looking for something that alows real-time aquisition of streaming data across at least 2 of the channels. Also is there a Percentile function Vi avalilable for a sound pressure level?
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terry bradley wrote:

> Has anyone written octave & FFT signal analysis for the NI4474
> 4-channel Daq? I'm looking for something that alows real-time
> aquisition of streaming data across at least 2 of the channels. Also
> is there a Percentile function Vi avalilable for a sound pressure
> level?

Is this LabVIEW? Or are you register level programming? If it is the
first you should have posted this question in comp.lang.LabVIEW and look
into the Sound & Vibration Toolkit. It has all of what you ask and a lot
more.

If it is the second, I'm afraid you are trying to take on a project you
will not be able to finish in reasonable time.

Rolf Kalbermatter
Rolf Kalbermatter
My Blog
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