Sound pressure level (\(SPL\)) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level.
Sound pressure level (\(SPL\)) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level.
{"resource":"sound pressure level"
,"qname":"quantitykind:SoundPressureLevel"
,"uri":"http:\/\/qudt.org\/vocab\/quantitykind\/SoundPressureLevel"
,"properties":["applicable unit":"unit:B"
,"applicable unit":"unit:DeciB"
,"applicable unit":"unit:DeciB_M"
,"description":"Sound pressure level (\\(SPL\\)) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level."
,"has dimension vector":"dimension:A0E0L0I0M0H0T0D1"
,"informative reference":"http:\/\/en.wikipedia.org\/wiki\/Sound_pressure#Sound_pressure_level"
,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/vocab\/quantitykind>"
,"label":"Hladina akustického tlaku"
,"label":"Schalldruckpegel"
,"label":"Tahap medan"
,"label":"Tahap tekanan bunyi"
,"label":"gerilim veya akım oranı"
,"label":"livello di pressione sonora"
,"label":"miary wielkości ilorazowych"
,"label":"niveau de pression acoustique"
,"label":"nivel de presión sonora"
,"label":"nível de pressão acústica"
,"label":"sound pressure level"
,"label":"уровень звукового давления"
,"label":"سطح یک کمیت توان-ریشه"
,"label":"كمية جذر الطاقة"
,"label":"利得"
,"label":"声压级"
,"latex definition":"\\(L_P = 10 \\log_{10} \\frac{p^2}{p_0^2} dB\\), where \\(p\\) is sound pressure and the reference value in airborne acoustics is \\(p_0 = 20 \\mu Pa\\)."
,"symbol":"L"
,"todo":"belongs to SOQ-ISO"
,"type":"qudt:QuantityKind"
]}