About: http://webisa.webdatacommons.org/29506872

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 the embodiment shown, the system comprises a circular-shaped microphone array 12 having a plurality of microphones 14, a signal processing unit 16, a head tracker 18, and an audio output device such as left 20 and right 22 headphones.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com