Google is using machine learning to make alarm tones based on the time and weather

Google has an update that might make you hate your alarm a little bit less: a new feature lets it automatically change up what your alarm plays based on the time of day and the weather, theoretically playing something slightly more appropriate than the same awful song you hear day in and out. At least, it’ll be nice as long as you’re okay with waking up to AI-generated piano.

The feature is confined to a single device for now: Lenovo’s Smart Clock, a small smart display that basically has the functionality of a Google Home Mini paired with a screen that can show the time and weather. Google says this feature — which it calls “Impromptu” — is part of Google Assistant, though, which suggests it should reach other smart displays, and...

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