4 ms·
This was my question. Seems bizarre to not bandpass everything as the first stage!
by virgil_disgr4ce 9y ago
This was my question. Seems bizarre to not bandpass everything as the first stage!
- TeMPOraL 9y agoFrom skimming the paper it seems they're making the signal demodulate itself directly on the microphone - by the time it hits a low-pass filter and ADC, the audible frequencies are already injected.