See Pure Tone Average.
Pure Tone
A single frequency used by audiologists to evaluate hearing sensitivity.
Pure Tone Air Conduction Audiometry
Measurement of hearing thresholds to pure tones presented through earphones or ear inserts.
Pure Tone Audiogram
An audiogram based on listening to pure tones (the normal situation) as opposed to listening to speech.
Pure Tone Audiometer
An hearing testing instrument for generating pure tone sounds at different frequencies.
Pure Tone Average (PTA)
The average of your hearing loss at the following test frequencies. There are two methods. 4-tone method: The first (traditional) method is to average your hearing loss at 500, 1,000, 2,000 & 4,000 Hz using pure tones. The PTA is expressed in decibels (dB). 3-tone method: The current method is to average your hearing loss […]