About: http://webisa.webdatacommons.org/84717153

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 inexpensive karaoke equipment, for example, the duration is a fixed length of an audio signal domain.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr