As devices become ever more interconnected and increase their capabilities to sense the world through different kind of sensors, there’s an ever more increasing stream of data that is being created. Naturally, not all of that data is useful, with the vast majority of it being thrown away. To differentiate between useful data and less useful noise, there’s an increasing need for processing power on the part of the brains of newer generation devices. In the past generally we’d have more simplistic sensors such as microphones or accelerometers being the main data sources, and that’s where we usually know the term of “sensor hub” from – when mobile devices first trying to optimise the handling of smartphone sensors. First these were discrete chips, but later...

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