About: http://webisa.webdatacommons.org/355406925

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	In an alternative embodiment, each audio signal is encoded with an indication as to whether that signal is active or inactive by the audio processor 42 at the head end 12.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk