Cee Lo Green said on Friday he did not want to be a judge on upcoming new TV talent show "The X Factor" because he saw little fresh in the concept.

But the 36-year-old American soul and R&B singer of recent hit, "Forget You," said yes to a job as one of four celebrity coaches on rival new singing show "The Voice" because it felt fresh and positive, he told reporters.

"I knew the name and I knew the parties involved," Green said of "X Factor" the new U.S. venture by former "American Idol" judge Simon Cowell, which comes to Fox television in the fall of 2011.

"But as an enterprise, I didn't see what made it distinctive enough. It kind of seemed like shows like 'Idol' had run their course.