ANSI/ASA S1.15-3-2021 American National Standard Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
2021ANSI/ASA S1.15-3-2021 American National Standard Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique