About: http://webisa.webdatacommons.org/42359268

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	1.) sound pressure doubling (+6dB) because of the wavelength of radiated sound by an external sound source is getting to the dimensions of our head [above ~2-3 kHz], can e.g. be calculated assuming our head is a sphere.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org