[Hearing tests in extended high frequency range in pre-school age children. Initial results]
作者： W. Reuter , U. Schönfeld , R. Fischer , M. Gross
关键词:
摘要: Since reliable headphones are now available, clinical audiometry can also be performed in extended high frequencies (EHF). Hearing over 10 kHz is more influenced by age, noise and toxicity. Thus it useful to take additionally results children establish the normal hearing threshold. In present study, 35 pre-school (ages 4-7 years) were tested EHF (8 kHz-16 kHz) using a new Sennheiser HDA-200 headphone. The thresholds recorded corresponded those of other studied. Median standard deviations for 25 dB(SPL) +/- 12 dB(SPL), 12.5 50 15 16 kHz. older (> 5 years), could reliably determined better than younger (< years). Thresholds at kHz-12.5 found adults, but sensitive dB(SPL)-15 14 range.
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