It is difficult to synthesize the sonant in the speech synthesis especially in the synthesizing diphthong in speech synthesis.
语音合成中以浊音合成为难点，尤其是在做多元音合成时尤为突出。
It is difficult to synthesize the sonant in the speech synthesis especially in the synthesizing diphthong in speech synthesis.
语音合成中以浊音合成为难点，尤其是在做多元音合成时尤为突出。
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