Corrigendum 1 - Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique— 1 стр.
Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique— 57 стр.
Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique— 57 стр.
Measurement microphones -- Part 8: Methods for determining the freefield sensitivity of working standard microphones by comparison (IEC 61094-8:2012) (english version)
