rdf:type |
qudt:QuantityKind |
dcterms: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. |
qudt:applicableUnit |
|
qudt:hasDimensionVector |
qkdv:A0E0L0I0M0H0T0D1 |
qudt:informativeReference |
http://en.wikipedia.org/wiki/Sound_pressure#Sound_pressure_level |
qudt:latexDefinition |
\(L_P = 10 \log_{10} \frac{p^2}{p_0^2} dB\), where \(p\) is sound pressure and the reference value in airborne acoustics is \(p_0 = 20 \mu Pa\). |
qudt:symbol |
“L” |
qudt:wikidataMatch |
http://www.wikidata.org/entity/Q14515278 |
rdfs:comment |
“Applicable units are those of quantitykind:SoundPressureLevel” |
rdfs:isDefinedBy |
http://qudt.org/3.1.10/vocab/quantitykind |
rdfs:label |
Show 15 values
- “Hladina akustického tlaku”@cs
- “Schalldruckpegel”@de
- “Tahap medan”@ms
- “gerilim veya akım oranı”@tr
- “livello di pressione sonora”@it
- “miary wielkości ilorazowych”@pl
- “niveau de pression acoustique”@fr
- “nivel de presión sonora”@es
- “nível de pressão acústica”@pt
- “sound pressure level”@en
- “уровень звукового давления”@ru
- “سطح یک کمیت توان-ریشه”@fa
- “كمية جذر الطاقة”@ar
- “利得”@ja
- “声压级”@zh
|
skos:altLabel |
“Tahap tekanan bunyi”@ms |
vaem:todo |
“belongs to SOQ-ISO” |
