alt Hacker NewsFun idea and also I didn't know that websites could get access to my accelerometer data. However for me the sample frequency is 50 Hz which is way too low to measure even the lowest string pitch (E2, about 82 Hz).
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lightedman • yesterday at 1:05 PM
"the lowest string pitch (E2, about 82 Hz)."
My 6-string Kiesel Kyber bass would like a word with you while it sounds 41Hz.
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If you know you have a single frequency close to an actual frequency of interest, you can use the fact you know you're in an aliased band to get a precise frequency estimate.