This is a frequency sweep on the digital outputs of the voice recognition filter. It shows a nice overlap region between the high and low frequency detection.
The idea seems to be to separate voice and unvoiced sounds.
My plan is to stuff these signals into an AVR and push out the data by serial, I can try analyzing the results on a PC where there is a bit more space to work.
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Rue Mohr (ruenahcmohr@infosec.exchange)'s status on Sunday, 01-Dec-2024 02:13:06 JST Rue Mohr - polprog68k likes this.