What’s the easiest way to record like 4-12 hours of low-information audio (a ticking clock basically) most compactly?
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You can get 12 hrs of ticking clock to fit in ~1 kB by playing a 00:00:01 recording with this setting on 😉
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Heh, I’m actually building a mechanical clock and want to DFT the uneven ticking to investigate geartrain friction. 12h= one cycle through all states of geartrain I think.
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Finished assembling my clock but it stops after like 5 tick ticks 
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Or perhaps a couple of carefully placed photo interrupters + arduino
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