指定新类别的名称，并提供这个页面上ID和档案名称的预设基准。
Specifies the name of the new class and provides the default basis for the names of IDs and files on this page.
语音情感识别领域提取情感特征时，普遍采用“不同情感类别，相同时长基准”的做法，忽略了人耳敏感的韵律段长会依情感不同而有所差异的现象。
In the field of speech emotion recognition, the emotion features of different emotional utterances are commonly extracted at same segment length level.
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