目的探讨室带肥厚患者的嗓音参数，包括频率微扰百分值、基频等，分析室带是否参与发音。
Objective To study the vocal parameters, including fundamental frequency, base, vocal range, jitter, in patients with hypertrophic plica vertricularis.
方法应用频谱仪和电子计算机对30例声带无明显病变的室带肥厚者和30例室带声带无明显病变的志愿者，测定基频、低音、音域和频率微扰百分值。
Methods By using narrow band spectrum analyses and computer we studied the parameters in 30 patients and 30 normal controls. Results The fundamental frequency and bass were lower in diseased group.
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