Finally, individual errors in pitch track are corrected by a smoothing method, in which a searching and tentative method together with a judge mechanism of adding or eliminating pitch period is used.

最后，采用搜索试探的平滑算法，并加入一个增加或者消除周期的判断机制，对基音轨迹曲线中出现的个别错误进行纠正。

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Finally, individual errors in pitch track are corrected by a smoothing method, in which a searching and tentative method together with a judge mechanism of adding or eliminating pitch period is used.

最后，采用搜索试探的平滑算法，并加入一个增加或者消除周期的判断机制，对基音轨迹曲线中出现的个别错误进行纠正。

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