20 decibles
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Decibels are the scale used for measuring the volume of sounds.
•Sound can be measured in many ways such as decibels. There is a special machine which you can by that measures how many decibels something makes. A pin makes 10 decibels where as a loud persons or a stereo can make up to 80 decibels. Volume is measured in decibels. So Frequency is measured in hertz
That depends on two things: On the volume of the shouter. (There is no average shout!) And on the distance where your ears are. The closer, the more decibels are there. I suggest: Go far away from a shouter.
Volume in math means the amount of space an object occupies. Volume in music means amplitude, loudness, or sound pressure. Scroll down to related links and look at "How many decibels (dB) is twice (double, half) or three times as loud?".
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