modulation

Do you have an example of how to downcovert an audio output signal from a modem and then it demodulate in real-time?  Should I connect the audio output of the modem in the port of audio input of the sound card on the computer, right?  And how can I say Labview to read from the audio input port?

In addition, I don't know how to enter some settings in the Toolbox digital demodulation. I also need to apply a Nyquist filter.  Could you please provide me with an example?

Here is an example of the modem specification:
1200 baud
Central frequency to 1400hz, the pulse width is 1200hz

How would this information enter the modulation toolkit?  I'm using version 3.0 with labview 8.6 developer edition.

Thank you


Tags: NI Software

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