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首页> 外文期刊>British Journal of Audiology >Effect of initial setting on convergence to optimal hearing aid setting using a simplex method
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Effect of initial setting on convergence to optimal hearing aid setting using a simplex method

机译：初始设置对使用单纯形法收敛到最佳助听器设置的影响

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摘要

We examined the final preferred frequency gain response (i.e. final setting) selected using different starting points (i.e. initial settings) with a modified simplex procedure. These starting points included a frequency response close to the one recommended by NAL-R (Byrne and Dillon, 1986), a frequency response with the high and low frequency gain set to the maximum (max), a frequency response with the high and low frequency gain set to the minimum (min), and one in-between these values (mid). The time taken to converge to the final setting was also recorded. Subjects judged the clarity of short discourse passages presented at 63 dB(A) in the presence of babble noise (S/N = 0). The results indicated that the majority of subjects selected the same preferred frequency response regardless of initial settings. Variations in initial settings mainly affected the convergence time to the final choice. The frequency response recommended by NAL-R required the least time to converge, while those of the extremes (min and max) required the longest convergence time. Clinical implications are discussed.
机译：我们使用修改后的单纯形法检查了使用不同起点（即初始设置）选择的最终首选频率增益响应（即最终设置）。这些起点包括接近NAL-R（Byrne and Dillon，1986）建议的频率响应，将高低频率增益设置为最大值（max）的频率响应，高低频率增益的频率响应。频率增益设置为最小值（min），并且介于这些值之间（mid）。还记录了收敛到最终设置所花费的时间。受试者判断在有ba不休声（S / N = 0）的情况下，以63 dB（A）表示的短篇文章的清晰度。结果表明，无论初始设置如何，大多数受试者选择相同的首选频率响应。初始设置的变化主要影响到最终选择的收敛时间。 NAL-R建议的频率响应需要最少的时间收敛，而极端（最小和最大）的频率响应则需要最长的收敛时间。临床意义进行了讨论。

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