Elenco Snap Circuits SnapMicro I Deluxe &reg - Manual (Page 75)

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Project 22, Investigating Sound of Clapping.
Use previous setup to record the sound of two claps. Try recording two claps with different delays
between claps. The picture below shows different clap groups highlighted by different colors.
Peaks reach both +1 and –1 levels, then decay to a level less than .1 within .2 seconds.
.4 seconds .2 seconds .6 seconds .8 seconds 1.1 seconds