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。

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The sinusoidal trajectory tracking of pitch and yaw channels requires relatively large angular moment wheels to achieve high precision.

俯仰和偏航通道的正弦跟踪需要相对较大动量矩的动量轮作为执行机构来实现高精度跟踪控制。

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Then, we introduce the framework and workflow of the system and describe the key techniques: pitch tracking, note segmentation, score normalizing, and template building.

本文描述了该系统的框架和流程，并介绍了系统中用到的关键技术：音符切分，音高提取，节奏提取，得分归一化技术以及乐谱库的建立。

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