Protecting your smartphone from voice impersonators

It's a lot easier to talk to a smartphone than to try to type instructions on its keyboard. This is particularly true when a person is trying to log in to a device or a system: Few people would choose to type a long, complex ...

New audio codec enables unprecedented voice call quality

Smartphones can do almost everything you want, but their poor voice quality is still a vexing issue. Fraunhofer researchers have helped develop a new codec to banish this problem. Their solution raises voice quality to an ...

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