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Does anyone know how to make a rise/fall time on a white noise burst using Uniform White Noise vi?

I'm using LV 7, and am trying to create a loud stimulus using the uniform white noise vi. I have this working fine, but for another stimulus I would like to have a rise/fall time. Does anyone know how to do this? I am quite new to Labview...
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> for another stimulus I would like to have a rise/fall time.

Do you mean the noise starts out "quiet", gradually gets louder until it peaks, then gradually gets quieter again?
Just multiply your noise source by your modulation "volume" control.

Les
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