本文介绍了当前声音转换技术领域的研究状态，主要分析现有声音转换技术中各种转换算法的实现原理，描述声音转换系统性能的各种评估方法，最后给出了对声音转换技术的简要评述和展望。-This article describes the current voice conversion technology research in the field condition, the main analysis of existing voice switching technology in the realization of the various conversion algorithm theory, describes a variety of voice conversion system performance assessment methods, and finally gives voice conversion technology for a brief commentary and outlook.