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題 名 | Probe-Tube Microphone Measures of Real Ear Coupler Difference in Chinese Adults and Children=以「探針管麥克風系統」測量中國成人及兒童之「真耳耦合器差值」 |
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作 者 | 劉殿楨; 許權振; | 書刊名 | 慈濟醫學 |
卷 期 | 10:4 1998.12[民87.12] |
頁 次 | 頁273-277 |
分類號 | 416.865 |
關鍵詞 | 探針管麥克風系統; 真耳耦合器差值; 外耳道; Probe-tube microphone measurements; Real ear coupler difference; External ear canal; |
語 文 | 英文(English) |
英文摘要 | Probe-tube microphone measures of ear canal sound pressure levels were obtained for 20 Chinese adults and 20 children under 5 years of age. The smallest intrasubject variability between the two measurements for each subject was in the frequency range of 0.75 to 4 kHz. Larger variation was found at the low and high frequency ends. However, at no frequency did the mean standard deviation exceed 2 dB. Real ear to coupler difference (RECD) for both adults and children showed a similar pattern as previously reported in the literature, except at 6 kHz where our data were significantly smaller. Children typically had larger RECDs than those for adults across all frequencies. These data are very useful in fitting hearing aids for Chinese adults and children. (Tzu Chi Med J 1998;10:273-277) |
本系統中英文摘要資訊取自各篇刊載內容。