About: http://webisa.webdatacommons.org/431112300

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	Further, the average of the amplitude values over a predetermined period of time, such as 0.25 seconds, can be compared with a talkThreshold value that represents a minimum amplitude associated with speech.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com