About: http://webisa.webdatacommons.org/232788989

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 need for separate or additional equipment to play back the audio, except for a speaker and/or headset.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com