speech audiometer

4.10  speech audiometer. Audiometer for measurement of hearing by use of either live or recorded speech test...

pure-tone audiometer

4.09  pure-tone audiometer. Device used to measure hearing sensitivity, specifically hearing level for pure tones, as a function of...

manual audiometer

4.08  manual audiometer. Pure-tone audiometer in which the signal presentations, frequency, hearing level selection, and recording of results are performed...