Measurement of hearing thresholds to pure tones presented from a small vibrator placed against the skull.

Test used to determine hearing sensitivity to pure tones at a fixed hearing level, typically 20 decibels (dB) HL.

This test using pure tones, measures the softest level a person can hear at a number of different pitches.

Determining the softest level a pure tone can be heard about 50% of the time.

A testing technique used to measure the sound levels produced by a hearing aid while in the ear canal. A tiny probe microphone is placed in the ear canal ahead of the hearing aid. Real ear measurement evaluates how well a hearing aid is producing the amplification and quality of sound it should when it is actually […]

The process of producing and projecting onto a screen verbatim dialogue as typed by a captionist. It provides clear, accurate print that is easily visible to people in large audiences. Commonly called CART.