What's the opposite of a dog whistle? | Hacker News

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		Igelau on Sept 27, 2021 \| parent \| context \| favorite \| on: I just don’t want to be busy anymore What's the opposite of a dog whistle?

AussieWog93 on Sept 27, 2021 [–]

I've read that elephants can produce very low frequency sounds (sub-20Hz) that travel long distances and can't be perceived by smaller animals.

"Elephant infrasound" just doesn't quite have the same ring to it as "dog whistle", though.

noisy_boy on Sept 27, 2021 | [–]

"Trunk call"?

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