Revision history of "Decibel meter notes"

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  • (cur | prev) 00:23, 16 October 2015Helpful (Talk | contribs). . (378 bytes) (+378). . (Created page with "<!-- Typically: * electret condensator microfoon * 30ish to 4kHz or 8kHz or such (is most of the range relevant to hearing damage) * speed: integrate over ~125ms or ~1s (fa...")