http://www.symposion.com/ijt/ijtvo06no03_03.htm

I was going to ask, but then I remembered to :google .
So now I'm wondering whether anyone has had this done, and wut you think of the idea. Best ever? Bullshit? I should fuck off?

By the way. the article mentions an average raising of one's voice by five semitones. For those of you with access to a keyboard sampler, if you recorded your voice and played it back a perfect fourth up (speak slowly), you can get an idea of what you'd sound like.