Google is updating Android to support Auracast, a Bluetooth LE technology that makes it possible to create, listen to and switch between public broadcasts of Bluetooth audio on the devices you already own. At its simplest, Auracast could let you to tune your Bluetooth earbuds to a muted TV in a public space and hear its audio. For Google, though, it sounds like the company is primarily interested in using the feature to make hearing aids even more helpful.
Google plans to use Auracast as a way to get
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