I posted on this awhile back and now here's bit more....
""The fundamental root of the problem is that I don't want to hear a recording," Walker said. "I want to hear the young Horowitz, Schnabel, Fats Waller, Thelonious Monk on an in-tune piano." If the claims he is making for his new technology are accurate, he will soon be able to. His plan is to approach the major labels with his software and delve into their back catalogues, acting as a record producer to make old recordings new. Josef Hoffman without the scratches, Glenn Gould without the mumbling: brought back to life and performing on modern pianos, recorded with modern technology."
"Today scientists around the world are turning computers on human performance, seeking to quantify an element once thought to be intangible: the expressivity of a human artist. "
Read the rest here.
Ya know... I'm not sure I'd care to hear Gould without the humming and mumbling... It just seems to be an integral part of the "Gould experience".