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Time to start selling speakers with bandpass filters built in. It's the new tape over the camera.
by noonespecial 10y ago
Time to start selling speakers with bandpass filters built in. It's the new tape over the camera.
- renaudg 10y agoTechnically lowpass :)
- noonespecial 10y agoAhh but what about subsonic messages? Slow datarate to be sure but definitely possible. If there's any monkey business going on with my audio, I want it in the range where I can hear it!
- iverjo 10y agoDo you mean messages sent over infrasound (less than ~20 Hz)? That would typically not work, because most speakers cannot produce infrasound and most microphones don't pick up frequencies that low