Повучен
Procedures and requirements for speech audiometry with the recorded test material being presented by air conduction through an earphone, by bone conduction through a bone vibrator or from a loudspeaker for sound field audiometry. It also contains requirements on recorded speech material and recommended procedures for the maintenance and calibration of speech audiometric equipment.
ПОВУЧЕН
ISO 8253-3:1996
95.99
Повучен
5. 3. 2012.
ПОВУЧЕН
ISO 8253-3:2012
Akustika - Audiometrijske metode ispitivanja - Deo 3: Govorna audiometrija
95.99 Повучен