unvoice

unvoiced fears.

埋在心里的恐惧

unvoiced consonants.

清辅音

a person's unvoiced thoughts.

某人未说出来的思想。

This function is remove the unvoice section from the voice.

(译)：这一功能删除unvoice科从声音。

At the same time, according to the RPT difference between voice and unvoice, speech phonemes are classified.

根据清音和音在多维相空间中的不同空间分布特性，对语音音素进行了分类。