專家解讀視頻
Applies to laboratory standard microphones meeting the requirements of IEC 1094-1. The method applies to other types of microphones, particularly microphones which fulfil the requirements of IEC 1094-1, which, when fitted with a special adaptor, may be calibrated according to this standard when the adaptor is removed. Specifies a primary method of determining the free-field sensitivity in order to establish a reproducible and accurate basis for the measurement of sound pressure under free-field conditions.
SN EN 61094-3:1995 - Identical
BS EN 61094-3:1996 - Identical
DIN EN 61094-3 (1996-05) - Identical
I.S. EN 61094-3:1999 - Identical
NF EN 61094-3:1996 - Identical
UNE EN 61094-3:1999 - Identical
SS EN 61094-3 Ed. 1 (1996) - Identical
EN 61094-3:1995 - Identical
