speech audiometry short presentation ent

What is Speech Audiometry?

It is the measurement of the acuity of hearing through generation of tones of known

frequencies and amplitudes.

Speech audiometry has become a fundamental tool in hearing-loss assessment. In conjunction

with pure-tone audiometry, it can aid in determining the degree and type of hearing loss.

Speech Audiometry

Speech Reception Threshold (S.R.T.):

Minimum intensity at which 50% of spondee (disyllable

with equal stress) words are correctly identified.

Spondaic words are 2-syllable words spoken with

equal emphasis on each syllable (eg, pancake, hardware,

playground).

Speech Audiometry

Speech Discrimination Score (S.D.S.):

Percentage of phonetically balanced (single

syllable) words correctly identified at 40 dB

above S.R.T.

Speech Audiometry

Indications• Differ b/w cochlear & retro-cochlear lesions.• Assessment of degree and type of hearing loss• Examination of word recognition abilities• Examination of discomfort or tolerance to

speech stimuli

Speech Audiogram

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