Linguists call this "prosody," the ability to add correct stress, intonation or sentiment to spoken language.

语言学家称之为“韵律”，也就是在口语中正确重读、添加语调或情绪的能力。

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Restricted by prosody hierarchy and disturbed by tone and intonation, it is a hard task to detect the stress of Chinese speech automatically.

汉语的重音由于受到声调、语调以及韵律单元层级的干扰和制约，对于重音的自动感知一直是比较困难的问题。

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The prosody prediction is to estimate the intonation, rhythm, stress placement and timing.

韵律预测可准确估计合成语音的语调、节奏、重音的位置和时长信息等。

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