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IEVref: | 415-06-01 | ID: | |

Language: | en | Status: Standard | |

Term: | sound pressure level | ||

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Definition: | logarithm of the ratio of the r.m.s. value of a given sound pressure to the reference sound pressure.
NOTE 1 – Sound pressure level in decibels is 20 times the logarithm to the base ten of this ratio NOTE 2 – For WTGS, the reference sound pressure is equal to 20 µPa. | ||

Publication date: | 1999-04 | ||

Source: | 801-22-07 MOD | ||

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