About: http://webisa.webdatacommons.org/195151219

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Every SPL meter I have seen has a mic permanently built-in.If you are using an addtional mic with some sort of meter, you should be able to (approximately) calibrate your setup to match.
http://www.w3.org/ns/prov#wasQuotedFrom	hydrogenaud.io