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Dictionary of Audio Terms (a glossary of audio terminology)
Sound pressure level (SPL)
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Sound pressure measurement in decibels. In decibels, 20 times the logarithm of the ratio of the pressure of a sound to the reference pressure, which must be explicitly stated. Also, the pressure of an acoustic wave stated in terms of dynes per square centimeter or microbars. |
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Sound pressure level (SPL) --
Sound pressure measurement in decibels. In decibels, 20 times the logarithm of the ratio of the pressure of a sound to the reference pressure, which must be explicitly stated. Also, the pressure of an acoustic wave stated in terms of dynes per square centimeter or microbars.
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