How does Apple`s personal digital assistant know when you`ve said `Hey Siri`? And how does it know you`re the one that said it? The answer, of course, is Artificial Intelligence.
Last fall, Apple`s Machine Learning Journal began a deep dive into `Hey, Siri`, the voice trigger for the company`s personal digital assistant. (See below.) This spring, the Journal is back with another dive into how it tackles not only knowing what is said but who said it, and how it balances imposter acceptance vs. false rejections.
From Apple:
The phrase `Hey Siri` was originally chosen to be as natural as possible; in fact, it was so natural that even before this feature was introduced, users would invoke Siri using the home button and inadvertently prepend their requests with the words, `Hey Siri.` Its brevity and ease of articulation, however, bring to bear additional challenges. In particular, our early offline experiments showed, for a reasonable rate of correctly accepted invocations, an unacc...
|
