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Thanks Kris-very interesting article. There's another basic one here: http://www.xponaut.com/showpage?pid=126 The voicetweaker software essentially does what you are pointing out here. I downloaded it (have yet to buy it) and tried it on a track I knew wasn't in perfect pitch and also used it to transform my voice into a female. It has a setting for "Male to female" and it did surprisingly well in making a female sounding voice. I used it to clean up the pitch as well and it did quite well. A few more tweaks and some verb and it would be very usable. The thing I noticed with this software is that it needs a pitch to start with. If you have some raspiness or some type of crud in your throat it has a tough time fixing/transposing a pitch that is essentially just noise. I could tweak it some more but it was late and after 10 minutes it stops working and I had to restart the program-so I opted for sleep. At $99 it's still not a bad deal. Couple with a $25 program like Clone Ensemble and you might be able to make a pretty cool choir. The project continues... Plish > Some things to consider. > > The voiced speech of a typical adult male will have a fundamental > frequency of from 85 to 155 Hz, and that of a typical adult female from > 165 to 255 Hz. > > Here is an interesting article: > http://members.tgforum.com/jamie/fvoice/femv.html > > What you might do is some research on the spectral analyses of males and > female voices, and then see what sort of enhancements you might have to > apply to transform your voice. > > At first glance, I'm guessing you would need some pitch, a set of bi-quad > filters to notch/boost certain key frequencies and frequency ranges, etc. > The human voice is a complicated instrument. The challenge would be to > increase the pitch of your voice without you sounding like a cartoon > character or munchkin. > > Interesting project. It sound like something a student of max/msp would >do > in an advanced college class. > > Kris >