<Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (March 2014) (Learn how and when to remove this template message) </Td> </Tr> <P> The general selection process of the show begins with separate producers' auditions held in various cities across the United States, some of which host only the producers' auditions, and some of which also host judges' auditions held in theaters . This round is held several months before the judges' audition . Acts that have made it through the producers' audition then audition in front of the judges and a live audience . </P> <P> Following the producers' auditions, acts audition in front of (as of 2013) four celebrity judges . These auditions are held in theaters in various cities nationally and are later televised . Judges may individually register their disapproval of an act by pressing a red buzzer, which lights up their corresponding X above the stage . Any performer who receives X's (3 in seasons 1 to 7, or 4 from season 8 onwards) from the judges must stop performing and is eliminated . Since season three (2008), large audiences have also been a factor in the judging process, as their reaction to an act's performance may swing or influence a judge's vote . If an act receives three or more "yes" votes, they advance to the next round of competition . However, in the majority of seasons, several acts do not perform in the second round and are immediately sent home by the judges without a second performance . </P> <P> Introduced in season nine, the "Golden Buzzer" is located on the center of the judges' desk and may be used once per season by each judge . In season 9, a judge could press the golden buzzer to save an act from elimination, regardless of the number of X's earned from the other judges . Starting in season 10 and onward, any act that receives a golden buzzer advances directly to the live show; and in season 11, the hosts also were given the power to use the golden buzzer . The golden buzzer is also used in the Judge Cuts format . </P>

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