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Continue to Chat'Hey Siri' voice training in iOS 9 helps Siri better recognize your voice https://macdailynews.com/2015/09/11/hey-siri-voice-training-in-ios-9-helps-siri-better-recognize-your-voice/
'Hey Siri' voice training in iOS 9 helps Siri better recognize your voice https://macdailynews.com/2015/09/11/hey-siri-voice-training-in-ios-9-helps-siri-better-recognize-your-voice/