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Ultrasound Networking (2014)
(
anfractuosity.com
)
42 points
by
funspectre
on March 26, 2021
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6 comments
tashbarg
on March 27, 2021
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> You can see that we transmit in this example at two different frequencies, 19kHz and 18kHz.
Not „just out of hearing range“ for some people. Especially young people can hear up to 20kHz.
frongpik
on March 26, 2021
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That's pretty old news. These days ultrasound mics and speakers can act almost like lowres webcams.
bane
on March 26, 2021
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Do you have any info on this? The only imaging I'm familiar with are medical.
snypher
on March 26, 2021
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Maybe check out
https://kelu124.gitbooks.io/echomods/content/RPI.html
tinus_hn
on March 26, 2021
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Amazing, can I buy one of these sets?
frongpik
on March 27, 2021
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Any TV with 2 mics. Those TVs are called smart for a reason.
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Not „just out of hearing range“ for some people. Especially young people can hear up to 20kHz.