Electroacoustics. Measurement microphones. Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique— 34 стр.
Electroacoustics. Measurement microphones. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique— 44 стр.
Electroacoustics. Simulators of human head and ear. Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts— 22 стр.
Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts (IEC 60318-4:2010) (english version)
Measurement microphones -- Part 8: Methods for determining the freefield sensitivity of working standard microphones by comparison (IEC 61094-8:2012) (english version)