4 ms·
> 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
by tashbarg 6y ago
> 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.