Classification of hearing loss

• 1 - Hearing loss

13 - Speech-frequency loss

Speech-frequency hearing loss is defined as an audiometric speech-frequency (500 Hz, 1000 Hz, 2000 Hz and 4000 Hz) pure-tone average greater than 15 dB in one or both ears based on the criteria from the American Speech-Language-Hearing Association (ASHA) guidelines for hearing loss thresholds