About: http://webisa.webdatacommons.org/20824413

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 invention is a system which displays indications of sound intensity on a display large enough to be viewed by performers distant from the display.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com