FM soundcard bending

[pneaveill]

Disclaimer:
Apologies to the site admins if this is potential thread hijack or something similar. If it is hijack, please kindly move this to its own place.  Thanks and apologies in advance.


Might be off-base or somewhere in the caffeine cycle this morning, but was searching an old site that I had found years ago and rediscovered this and I submit it here for ideas and further expansion if anyone could for me please.

First, a little background on what he does.  He takes PC sound cards mods them in some interesting ways and gets some quite interesting (not to mention quite decent sound quality) out of them.


http://www.geocities.com/dr_tak/chips.html

My question on all of this is this: first, has anyone tried any of this? Second, how much of this is applicable to the insides of a yamaha keyboard?