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A comment on Show HN: Libquiet – transmit data using sound. Parent comment

Re:Show HN: Libquiet – transmit data using sound by evm9 on Thursday March 10, 2016 @03:32PM (#11262050)
That would be an interesting application. What could the range be?
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Re:Show HN: Libquiet – transmit data using sound by Maxious on Friday March 11, 2016 @12:49AM (#11264875)
Google uses sound for pairing - seems to work okay in reasonably sized room with all kinds of surfaces https://gigaom.com/2014/06/26/chromecast-will-use-ultrasonic...
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Re:Show HN: Libquiet – transmit data using sound by evm9 on Friday March 11, 2016 @03:27AM (#11265425)
Wow, so cool.
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