PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The audio component may comprise a sound chip, voice chip, sound card, microphone, and/or speaker or the like for emitting and/or recording sounds and sound signals, such as sound beeps, alarms, songs, ringtones, musical notes, voice prompts, human voice messages, pre-programmed messages, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com