Abstract
We studied on effects and using methods of hearing aid and articulation disorders in 15 pupils who are in special class for hearing loss in Osaka.They were tested by pure tone and speech audiometry in free field.The following results were obtained.1) All cases acquired better hearing at pure tone, especially 1000-2000cps, with hearing aid.2) The results of speech audiometry indicated the effects of hearing aid. We found out that articulation scores were changed with hearing aid.3) They were wearing their hearing aids effectivelly.4) We observed on the articulation disorders with relation to hearing.
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