In the study of MBE speech coding, a new efficient practical look-back and look-ahead pitch tracking smoothing algorithm is presented based on the dynamic programming approach.
在多带激励低速率语音编码研究中，本文依据动态规划技术原理，提出了一种有效而实用的前后各看一帧的双向基音跟踪平滑算法。
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。
Smoothing algorithm is exploited to remove the errors of multiple frequency point, half frequency point and random point, and realize pitch curve smoothing.
使用平滑算法消除倍频点、半频点和随机点产生的误差，实现基音曲线平滑。
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