A Selection of Sounds to be used in Hearing Test with Whispered voice and a Testing-Method with these Selected Sounds
Teruo Aoki · Okayama Igakkai Zasshi (Journal of Okayama Medical Association) · 1959
By performing hearing tests with 10 Japanese monosyllabic sounds easy of hearing, namely, “shi”, “ko”, “chi”, “hi”, “ka”, “ha”, “sa”, “te”, “ki” and “to”, whispered at the distance of six meters and pure tone hearing test, the author made a comparative study on the results of these two tests, and obtained the following findings.1. Those who heard correctly all the ten sounds may generally be judged as having normal hearing, and those misheard more than two sounds as having significant hearing loss. Those who misheard a single sound are found approximately in an equal number in the group with normal hearing and in the group with slight hearing loss.2. In examining the number of mishearing in the ears with normal hearing with respect to their school grade and scholastic standing no significant differences can be recognized with 5 per cent limit of error in any of them, proving that the intelligence seems not likely to be associated in this hearing test.