Why is a 100 person choir singing the same song not 100 times louder than one person?

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I suspect it’s something to do with sounds waves so have flaired as physics, but not sure?

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Anonymous 0 Comments

Your hearing of changes in loudness is on the logarithmic scale. To perceive double the loudness of a loudspeaker of 10 watts output you would need a 100 watt speaker.
This is how human hearing can work from a pin drop or ticking clock all the way up to a rock band or symphony orchestra.

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