About: http://webisa.webdatacommons.org/401075980

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	The microphone records the amount of sound that is echoed back during the test and the data is recorded on a graph.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com