Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
physical phenomenon
|
| gptkbp:abbreviation |
gptkb:SPL
|
| gptkbp:category |
acoustics
|
| gptkbp:describes |
sound pressure relative to a reference value
|
| gptkbp:dimensions |
L^−2·M·T^−2
|
| gptkbp:field |
engineering
physics |
| gptkbp:form |
Lp = 20 log10 (p/p0)
|
| gptkbp:hasLogarithmicScale |
true
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sound Pressure Level
|
| gptkbp:measures |
audio recordings
decibel (dB) decibel sound level meter |
| gptkbp:referenceMedium |
air
|
| gptkbp:referencePressure |
1 μPa (in water)
20 μPa (in air) |
| gptkbp:referenceValue |
20 micropascals
|
| gptkbp:relatedStandard |
gptkb:ANSI_S1.4
gptkb:IEC_61672 |
| gptkbp:relatedTo |
sound power
sound intensity |
| gptkbp:symbol |
Lp
|
| gptkbp:usedIn |
acoustics
audio engineering environmental noise measurement |
| gptkbp:bfsParent |
gptkb:SPL
|
| gptkbp:bfsLayer |
5
|