GOST R IEC 60118-8-2010 Electroacoustics Hearing aids Part 8 Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions《电声学 助听.pdf

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1、 60118-82010 8 IEC 60118-8:2005Electroacoustics Hearing aids Part 8: Methods of measurement of performancecharacteristics of hearing aids under simulated in situ working conditions(IDT) 27 2002 . 184- , 1.02004 . 1 - , (),-42 381-3 -122010.403-4 60118-8:2005-.8.- (IEC 60118-8:2005 Electroacoustics H

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6、 characteristics) 60263 -(IEC60263,Scalesandsizesforplottingfrequencycharacteristicsandpolardiagrams) 60711 , - (IEC 60711, Occluded-ear simulator for the measurement of earphones coupled tothe ear by ear inserts)/ 60959 , , - (IEC/TR 60959, Provisionalhead and torso simulator for acoustic measureme

7、nts of air conduction hearing aids)3 :3.1 (sound pressure level): - (SPL) 20 .3.2 (pinna simulator): , - .1 60118-82010 3.3 (earsimulator): . , . , - .3.4 (occluded-ear simulator): , - .3.5 (ear canal extension):, ( ) , , .3.6 (ear insert simulator): , - (, ).3.7 ( ) manikin (head and torso simulator): , -

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