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Jack, 22, claimed the public is not aware of his dad's true personality, arguing that MTV reality show The Osbournes misrepresented him.
"My dad's not an idiot - he's nothing short of a genius," Jack told Rolling Stone. "He does have huge flaws, and we're trying to really paint an honest picture of that.
"I think The Osbournes, to a degree, tarnished the public's perception of my dad as a bit of a senile, funny, bumbling guy.
"My dad can be that guy, but it's not him. I think that almost discredited who he is as an artist."
The project, which is expected to be previewed at Ozzfest 2009, will feature interviews with Ozzy's Black Sabbath bandmates.
