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Old 19th September 2019
  #4
Gear Maniac
 
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Quote:
Originally Posted by CJ Mastering View Post
A device which inverts the polarity of a signal will simply swap positive voltage to negative voltage and vice versa.

Phase is how far along the cycle of an audio waveform is.
CJ's explanation is excellent and easy to understand - no small accomplishment! I'd only add one aside.

If a signal is 180 degrees out of phase, the result is the same as a polarity reversal. But only if it is exactly 180 out of phase.