About: http://webisa.webdatacommons.org/328923146

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	For the purpose of measuring the frequency response of a headphone, that is true, but for measuring SPL for the purpose of establishing a safe listening level, an SPL meter works more than adequately for anything except earbuds or IEMs.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org