When the F0 and its harmonic structure are removed partly and fully,vowel duration and amplitude envelope maintain the effective tone information,on the contrary,retaining the information of the fundamental frequency, their impact on Chinese Tone Perception is much smaller.
当部分和全部去除F0和其谐波结构时,元音持续时间和振幅包络有效的维持了声调信息,但保留基频信息时,元音持续时间和振幅轮廓对汉语声调感知的影响较小。
参考来源 - 汉语普通话单音节词声调识别分析·2,447,543篇论文数据,部分数据来源于NoteExpress
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