What is the measure known as “sound level”?

waelhammad

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2022-10-21

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a subjective measure of the perceived loudness of a sound (in dB)
a graph of the levels of sound of different frequencies that we perceive as equal in loudness (in phon)
the frequency of the sound that produces the loudest response in a healthy hearing mechanism (in Hz)
the objectively measured amount of sound energy carried by a sound wave (in W/m2 )

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waelhammad

2022-10-21

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A: Sound level is subjective, in that it is perceived by the hearer and depends on the frequency/ies of the sound. The unit is the decibel.

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