Susan Bennett, the woman who says she is the voice behind iPhone's Siri feature, revealed that the first time she heard herself on the device she felt a bit awkward.

"When I first discovered that, that was my voice, to be honest, it was a little creepy," she told CNN in a Friday report. "I'm used to hearing my voice, maybe in the airport, but... it took some time for me to get used to it. But, she and I are friends now."

During the video interview, Bennett also said that she recorded all the content needed for Siri in 2005. She spent four hours a day for the whole month of July recording the various words and phrases Siri would be able to say. At the time, Bennett didn't even know that her voice would become a staple for the newer models of iPhone.

Before her Siri gig, Bennett's voice was used for several other famous objects, including the first ATM machine called Tillie The Alltime Teller, as well as many GPS systems. She's also the woman who says, "Thank you for using Delta Air Lines," for the American airline.

Siri was first supported by the iPhone 4s, which was released in 2011. The application answers questions, performs requests and makes recommendations for users.

While Apple has yet to confirm that Bennett is the voice behind Siri, she explained to CNN why she decided to reveal her identity.

"I really had to weigh the importance of it for me personally. I wasn't sure that I wanted that notoriety, and I also wasn't sure where I stood legally. And so, consequently, I was very conservative about it for a long time," she said. "And it seemed like everyone was clamoring to find out who the real voice behind Siri is, and so I thought, well, you know, what the heck? This is the time."

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