About: http://webisa.webdatacommons.org/445200745

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	Some playback systems, however, have more than two channels, for example in addition to the left and right channels, a center channel and one or moresurround channels.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com