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More generally, listening and detecting human speech and intent has plenty of military uses, and they are the main buyers of drones. It seems quite common for technologists to come up with humanitarian justifications for what is really new military hardware.

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More generally, sure. But it's not like you'd derive that from this tech, you'd just create it from some of the generic pieces that are already laying around. Finding people that are hurt and trapped and most importantly trying to be found is really useful in non-combat situations; on a battlefield, not so much, as far as I can see.

I don’t know, it seems likely that this tech could be easily repurposed. Recognising screams implies recognising other things that aren’t screams. Do we know that there’s already generic technology for drones to pick up accurate ground audio?

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