IEVref: | 801-22-16 | ID: | |

Language: | en | Status: Standard | |

Term: | time-average sound level | ||

Synonym1: | equivalent continuous sound level [Admitted] | ||

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Definition: | logarithm of the ratio of a given time-mean-square standard-frequency-weighted sound pressure for a stated time period, to the square of the reference sound pressure of 20 μPa. Time-average sound level in decibels is ten times the logarithm to the base ten of that ratio
NOTE 1 – If a frequency weighting is not specified, the A-frequency weighting is understood. NOTE 2 – In principle, exponential time weighting is not involved. | ||

Publication date: | 1994-07 | ||

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