Based on the primary functions of the DVD servo signal processing, it is given that the system structure of DVD servo chip, which is compatible CD and DVD and also has disc writing function.
在总结DVD伺服信号处理部分的主要功能的基础上，提出了可兼容dvd、CD并带有刻录功能的DVD伺服芯片的系统架构。
The servo system control is a key technology of the CD unit.
伺服系统控制技术是CD光驱的核心关键技术之一。
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