IEC TS 61094-7:2006


Language: EN Measurement microphones - Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones

Language: FR Microphones de mesure - Partie 7: Valeurs des différences entre les niveaux d'efficacité en champ libre et en pression des microphones étalons de laboratoire


Language: EN This part of IEC 61094 - gives a polynomial function derived from a least square fit to data from several laboratories, for the differences between free field and pressure sensitivity levels of laboratory standard microphones as specified in IEC 61094-1, - enables determination of the free field sensitivity level of a laboratory standard microphone for zero degrees incidence in air by adding values of these differences to the pressure sensitivity level, - gives tabulated values for the polynomial function for a range of frequency and temperature, - is applicable when a suitable free field calibration is not available.

Language: EN Language: FR
Date of issue
TC 29
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