About: http://webisa.webdatacommons.org/133560567

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	Also, frequencies in the range, such as from 2000-3000 Hz, are typically in the natural resonance of the ear canal, which is typically around 2700 Hz.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es