top | item 11262050 (no title) evm9 | 10 years ago That would be an interesting application. What could the range be? discuss order hn newest Maxious|10 years ago 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... evm9|10 years ago Wow, so cool.
Maxious|10 years ago 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... evm9|10 years ago Wow, so cool.
Maxious|10 years ago
evm9|10 years ago