headphones

<p><span style="color: #e33b1c;">thought you'd like to know about "noise cancelling" headphones</span></p><p><span style="color: #e33b1c;">noise cancelation ocurrs when you mic 2 feeds of ambient (outside) noise and run them inveresly (peak of one wave is trough of other).&nbsp;these frequencies,&nbsp;one run ahead of the other, will cancel each other out...because they create a new wave&nbsp;.think ,if you run your lawn mower you won't hear the lawn mower next door..or look at the animation...there is a whole for the sound to attenuate (fade away)as a result you get a new wave which is a silent sound</span></p><p><span style="color: #e33b1c;">now my question to you (i'm thinking about buying some) is <span style="font-size: xx-large;">why would I want these for mixing? </span></span></p><p><span style="color: #e33b1c; font-size: large;">r.s.v.p.[respond se vu plea(Please respond)]...JOEL</span></p>