American National Standard for Acoustics - Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels (a nationally adopted international standard).
美国声学国家标准——用于测定声功率级的参考声源的性能和校准要求(国家采用的国际标准)
This Standard specifies the acoustical performance requirements and the important physical and
performance characteristics of reference sound sources and specifies procedures for their calibration.
Reference sound sources are used extensively in "comparison methods" for determining the noise
emissions of physically stationary sound sources. A reference sound source of known sound power output
is used to establish the numerical relationship between the sound power level of a source, in a given
location, in a given acoustic environment and the space- and time-averaged sound pressure level at a set
of microphone positions. Once that relationship is established, it is straightforward to measure the average
sound pressure level produced by an "unknown source" and to determine the sound power level produced
by that source.This is an identical national adoption of ISO 6926:2016.