About: http://webisa.webdatacommons.org/50185323

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	sound producing I/O device such as any suitable sound card and a speaker.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com