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Old 1st July 2009   #45
kjg
Lives for gear
 
Join Date: May 2008
Location: Amsterdam, NL
Posts: 937

Quote:
Originally Posted by UnderTow View Post
Here is a kick & saw bass with a polarity reversal half way through: http://puretone.nl/Polarity.wav

Alistair
I hear the difference pretty clearly on my macbook pro, but only on the kick since the speakers reproduce pretty much nothing under 200 Hz. It is just less punchy. On decent headphones the bass line seems less defined as well.

I think tracking and mixing engineers should be very aware of absolute polarity, particularly on parts with strong transients, as it can make a substantial difference. In multimic situations, the best compromise is their subjective call (although it often pretty obvious and really not that subjective at all what is best). In purist recording situations their obviously *is* a correct polarity.
The mastering engineer should have no net polarity inversions throughout his chain as to not mess up decisions made earlier in the production process.
I can imagine the odd case where the ME should correct for accidental polarity inversion though.
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