What Causes the ‘Noise’ of a Crowd Talking?

A crowd sounds loud because many people are talking at the same time. Imagine every person is making a little sound, like tiny waves in water. When all those waves mix together, they create a big wave of noise that feels chaotic and overwhelming.

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Examples

A basketball game becomes louder as more fans shout at once.
In a busy restaurant, it’s hard to hear your friend because everyone is talking.
At a concert, all the people singing together create a powerful sound wave.

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Categories: Math · acoustics,waves,math in everyday life