About: http://webisa.webdatacommons.org/412559195

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	Each of the five speaker feeds is passed through a filter e.g. 43, 44 for each ear and summed e.g. 45 to produce the headphone signal???making a total of 10 filters.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com