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.
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:j.0="http://qudt.org/schema/qudt/"
xmlns:j.1="http://purl.org/dc/terms/"
xmlns:j.2="http://www.linkedmodel.org/schema/vaem#"
xmlns:owl="http://www.w3.org/2002/07/owl#"
xmlns:j.3="http://www.w3.org/2004/02/skos/core#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:xsd="http://www.w3.org/2001/XMLSchema#" >
<rdf:Description rdf:about="http://qudt.org/vocab/quantitykind/SoundPressureLevel">
<j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/PHON"/>
<j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://en.wikipedia.org/wiki/Sound_pressure#Sound_pressure_level</j.0:informativeReference>
<rdfs:label xml:lang="fa">سطح یک کمیت توان-ریشه</rdfs:label>
<j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/DeciB_A"/>
<rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/quantitykind"/>
<j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/B"/>
<j.0:latexDefinition rdf:datatype="http://qudt.org/schema/qudt/LatexString">$L_P = 10 \log_{10} \frac{p^2}{p_0^2} dB$, where $p$ is sound pressure and the reference value in airborne acoustics is $p_0 = 20 \mu Pa$.</j.0:latexDefinition>
<rdfs:label xml:lang="de">Schalldruckpegel</rdfs:label>
<rdfs:label xml:lang="pt">nível de pressão acústica</rdfs:label>
<rdfs:label xml:lang="zh">声压级</rdfs:label>
<j.3:altLabel xml:lang="ms">Tahap tekanan bunyi</j.3:altLabel>
<rdfs:label xml:lang="fr">niveau de pression acoustique</rdfs:label>
<j.1:description rdf:datatype="http://qudt.org/schema/qudt/LatexString">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.</j.1:description>
<rdfs:label xml:lang="en">sound pressure level</rdfs:label>
<j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/DeciB"/>
<rdfs:comment>Applicable units are those of quantitykind:SoundPressureLevel</rdfs:comment>
<rdfs:label xml:lang="ar">كمية جذر الطاقة</rdfs:label>
<rdfs:label xml:lang="es">nivel de presión sonora</rdfs:label>
<rdf:type rdf:resource="http://qudt.org/schema/qudt/QuantityKind"/>
<j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/DeciB_ISO"/>
<j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1"/>
<rdfs:label xml:lang="cs">Hladina akustického tlaku</rdfs:label>
<rdfs:label xml:lang="ja">利得</rdfs:label>
<rdfs:label xml:lang="pl">miary wielkości ilorazowych</rdfs:label>
<j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/DeciB_M"/>
<rdfs:label xml:lang="ru">уровень звукового давления</rdfs:label>
<rdfs:label xml:lang="ms">Tahap medan</rdfs:label>
<rdfs:label xml:lang="it">livello di pressione sonora</rdfs:label>
<rdfs:label xml:lang="tr">gerilim veya akım oranı</rdfs:label>
<j.0:symbol>L</j.0:symbol>
<j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/DeciB_Z"/>
<j.2:todo>belongs to SOQ-ISO</j.2:todo>
</rdf:Description>
</rdf:RDF>
{"resource":"sound pressure level"
,"qname":"quantitykind:SoundPressureLevel"
,"uri":"http:\/\/qudt.org\/vocab\/quantitykind\/SoundPressureLevel"
,"properties":["alternative label":"Tahap tekanan bunyi"
,"applicable unit":"unit:B"
,"applicable unit":"unit:DeciB"
,"applicable unit":"unit:DeciB_A"
,"applicable unit":"unit:DeciB_ISO"
,"applicable unit":"unit:DeciB_M"
,"applicable unit":"unit:DeciB_Z"
,"applicable unit":"unit:PHON"
,"comment":"Applicable units are those of quantitykind:SoundPressureLevel"
,"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":"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"
]}