SPHR 4/588 - Advanced Audiology
dB HL Tutorial

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When we report an individual's pure tone threshold and prepare to interpret the results of the pure tone audiometric test, one of our goals is to compare the individual's hearing to normal values. This comparison allows us to determine if the individual's hearing is poorer than normal. (As we discussed already this term, describing an individual's pure tone thresholds relative to normal values is the most basic means of defining the presence of a hearing loss.)