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Help me turn bipolar recorded waves into unipolar
MUFF WIGGLER Forum Index -> Music Software  
Author Help me turn bipolar recorded waves into unipolar
lionelfischer
I have a 5 channel WAV file recording of my analog style laser show.

Channels 3, 4, and 5 are the RGB modulation signals. They are supposed to be 0-5V unipolar signals, but they often dip a bit into the negative (as seen in the attached picture).

Is there any process, preferably on a Mac, that will allow me to simply chop out all information below zero volts? I was hoping it would be a simple function in Audacity or something but I can't figure it out.

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poppinger
lionelfischer wrote:
Is there any process, preferably on a Mac, that will allow me to simply chop out all information below zero volts? I was hoping it would be a simple function in Audacity or something but I can't figure it out.


There's this Nyquist plugin for half wave rectification that should do the job.

There are some pretty interesting Nyquist plugs for Audactiy, but I'm too stuck in my ways to switch.
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