Historical
ISO 8253-3:1996
Acoustics - Audiometric test methods - Part 3: Speech audiometry
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.
International Organization for Standardization [iso]