Based on some prior knowledge, the proposed approaches utilize fewer parameters to describe the variation between speakers, and thus fewer adaptation data are needed to give robust estimation.

这两种方法在一定先验知识的基础上采用较少的参数来描述说话人间的差异，因而只需要少量的自适应数据就可以得到参数的鲁棒估计。

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Based on some prior knowledge, the proposed approaches utilize fewer parameters to describe the variation between speakers, and thus fewer adaptation data are needed to give robust estimation.

这两种方法在一定先验知识的基础上采用较少的参数来描述说话人间的差异，因而只需要少量的自适应数据就可以得到参数的鲁棒估计。

youdao