Sure, but that uses audible tones; the method described in the article employs u... | Hacker News

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aaronem on Oct 31, 2013 | parent | context | favorite | on: Mysterious Mac and PC malware that jumps airgaps?

Sure, but that uses audible tones; the method described in the article employs ultrasonic tones, and I think (parent (parent)) is questioning the likelihood that cheap(ish) laptop audio hardware can be reliably depended upon to generate and detect such high frequencies.

moocowduckquack on Oct 31, 2013 [–]

There already exists browser based implementations of basic ultrasonic networking on github - https://github.com/borismus/sonicnet.js/tree/master/lib

Assuming decent error checking, the question isn't whether you could do it, it is just how fast would it be.

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