Dockum G D, Robinson D O
J Speech Hear Disord. 1975 Aug;40(3):351-6. doi: 10.1044/jshd.4003.351.
Pure-tone and warble-tone thresholds were compared for 198 normal-hearing inexperienced adult listeners at six frequencies at octave intervals from 250 through 8000 Hz. Results of the analysis of variance procedures showed statistically significant differences (p less than 0.01) for the test frequencies 500, 2000, 4000, and 8000 Hz. Although significant differences were found at four of the six test frequencies, mean differences were quite small, the largest being 2.3 dB at 8000 Hz. This finding is thought to support the notion that the audiologist may use warble tone with stimulus parameters up to and including frequency deviations of +/- 5% with modulation rates of five per second to measure thresholds, which are directly comparable to pure-tone thresholds for patients with normal hearing and those with relatively flat hearing loss.
对198名听力正常但无经验的成年听众在250至8000赫兹倍频程间隔的六个频率上的纯音和啭音阈值进行了比较。方差分析程序的结果显示，在500、2000、4000和8000赫兹的测试频率上存在统计学上的显著差异（p小于0.01）。虽然在六个测试频率中的四个频率上发现了显著差异，但平均差异非常小，最大差异在8000赫兹时为2.3分贝。这一发现被认为支持这样一种观点，即听力学家可以使用啭音，其刺激参数高达并包括频率偏差为±5%、调制率为每秒五次来测量阈值，这些阈值与听力正常的患者以及听力损失相对平坦的患者的纯音阈值直接可比。
