Ultrasound Networking (2014)

Posted by funspectre on Thursday March 25, 2021 @02:09PM
from the anfractuosity.com dept.

( 6 comments | 42 points | on HN )

Re:Ultrasound Networking (2014) by tashbarg on Saturday March 27, 2021 @04:06PM (#26605160)

> 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.

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Re:Ultrasound Networking (2014) by frongpik on Friday March 26, 2021 @01:42AM (#26589078)

That's pretty old news. These days ultrasound mics and speakers can act almost like lowres webcams.

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Re:Ultrasound Networking (2014) by bane on Friday March 26, 2021 @08:15AM (#26591134)

Do you have any info on this? The only imaging I'm familiar with are medical.

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Re:Ultrasound Networking (2014) by snypher on Friday March 26, 2021 @12:37PM (#26594106)

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Re:Ultrasound Networking (2014) by tinus_hn on Friday March 26, 2021 @08:49AM (#26591472)

Amazing, can I buy one of these sets?

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Re:Ultrasound Networking (2014) by frongpik on Saturday March 27, 2021 @05:41PM (#26605889)

Any TV with 2 mics. Those TVs are called smart for a reason.

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