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by simonw 412 days ago
Don't forget energy usage. The phone would need to be on high power mode all the time to run those kinds of algorithms. There's a reason "Hey Siri" has dedicated low-power hardware - it means it can work without burning through the battery.
1 comments

> it can work without burning through the battery.

It can work by burning through the battery. When you have a browser open or any number of apps, some of them are certainly detecting.