| 单词 |
sound pressure level |
| 释义 |
sound pressure level
Thesaurus| Noun | 1. |  sound pressure level - the physical intensity of sound acoustic powerintensity, intensity level, strength - the amount of energy transmitted (as by acoustic or electromagnetic radiation); "he adjusted the intensity of the sound"; "they measured the station's signal strength" |
sound pressure level
sound pressure level[′sau̇nd ¦presh·ər ‚lev·əl] (acoustics) A value in decibels equal to 20 times the logarithm to the base 10 of the ratio of the pressure of the sound under consideration to a reference pressure; reference pressures in common use are 0.0002 microbar and 1 microbar. Abbreviated SPL. sound pressure level
sound pres·sure lev·'el (SPL), a measure of sound energy relative to 0.0002 dynes/cm2 or 20 μPa, expressed in decibels.See SPL
See SPLAsound pressure level
Synonyms for sound pressure levelnoun the physical intensity of soundSynonymsRelated Words- intensity
- intensity level
- strength
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