About: http://webisa.webdatacommons.org/170047072

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 analog format audio signal transmitting and receiving system is used for example for the transmission of an audio signal from a CD player to a speaker.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk