What causes higher decibels when crowds make noise (such as in a stadium)?

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For example, why isn’t the maximum decibels simply equivalent to the loudest individual person in a group? Is it because everyone is individually being louder or does the amount of people factor in?

In: Biology

4 Answers

Anonymous 0 Comments

Sound is caused by waves in the air.

If I jump in a pool, I’ll cause waves of a certain size.

If my friend and I jump in the pool together at the same time, it’ll cause larger waves.

More people shouting at once are like more people jumping in the pool together. It makes larger waves, which is louder sound.

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