Siri has an updated new set of voices in iOS 7: one male and one female.
Both are a slight improvement over earlier iterations, with a more natural sound that’s easier to understand and a quicker pace. With iOS 7 Beta 2, Apple has unleashed these updated vocalisations for all to use. Have a listen and compare them to earlier versions below:
iOS 6 Siri telling the time:
iOS 7 Siri telling the time:
iOS 7 Male Siri telling the time: