目的寻找耳鸣掩蔽治疗较为合适的掩蔽时间、掩蔽声类型的组合。

Objective to search for the optimum external masking time and tonal models for patients with tinnitus.

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目的：观察耳鸣掩蔽曲线与掩蔽治疗效果之间的关系，为合理选择有效的治疗方法提供依据。

Objective:To observe the relationship between the tinnitus masking curve and the effect of masking therapy, so as to select an effective treatment method.

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目的：探讨耳鸣患者的听觉脑干电位(abr)变化特点，观察耳鸣掩蔽后abr变化规律。

Objective: to study characteristics of the wave amplitude of auditory brain stem response (ABR) before and after tinnitus masking in tinnitus patients.

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