PSPaudioware PSP stereoController2 v2.0.1

PSP stereoController2 can be used in various situations:
unbalanced stereo image due to level difference between channels, e.g. in dual microphone stereo recordings
slight time alignment shift between channels
a track's stereo image is too narrow or too wide for the mix
when the center instrument seems to be shifted to one side
virtually emulating an instrument's location in the soundfield via combined level and delay panning
one or both channels have reversed polarity, or the channels are swapped
decoding a Mid-Side (M-S) encoded track into L/R stereo
reducing the stereo width of low frequencies, or making them mono, for proper speaker or subwoofer replay or for reliably cutting vinyl
widening stereo width of high frequencies for more 'airy' harmonics and spaciousness
fine adjustment of stereo imaging during the mastering process
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https://www.pspaudioware.com/products/psp-stereocontroller2