锁相环仿真，基于matlab的源代码，比较靠谱！-The phase-locked loop simulation matlab source code more reliable!

Costas Panagiotakis编写利用过零率和能量等参数来区分Music信号和Speech信号-Costas Panagiotakis prepared to use the zero-crossing rate and energy parameters such as signal to distinguish Music and Speech Signal