Sound power level: Difference between revisions
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Revision as of 12:00, 15 February 2009
3-1-110
Sound power level (of a sound source, in decibels)
Ten times the logarithm to the base 10 of the ratio of the sound power radiated by the source to the reference sound power (1 picowatt or 10-12 watt).
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)