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...
[ Parent
| on HN ]