Annotation of standard text SAE ARP4245A :
This Aerospace Recommended Practice (ARP) defines quantities that may be used to describe various attributes of the sound field in the interior of aircraft. For a particular aircraft, or for a specific situation in a particular aircraft, it may not be necessary to utilize all the quantities included here to provide an adequate description of an aircrafts interior acoustical environment.
SUBJECT TAXONOMY: Noise
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
Stabilized: Aug 2012 