phase reverse

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From Rane Professional Audio Reference Home:

phase shift The fraction of a complete cycle elapsed as measured from a specified reference point and expressed as an angle. See the RaneNote Exposing Equalizer Mythology. Also see discussion of phase shift vs. inversion at polarity.

See also polarity, and this thread: http://www.controlbooth.com/forums/sound/2001-stereo-thoughts.html.

In an audio signal, swapping the signal on pins two and three. This can be achieved with an adapter / cable or with a mixer if it is equipped with such a function on each channel.

Note that this practice should be termed POLARITY reverse, not PHASE reverse.