中文说明：应用背景这是一个利用MATLAB软件编写一个电话拨号音自动检测的简单的GUI界面，希望能够和新手交流，希望大神能够指点，谢谢关键技术关键的技术是MATLAB的应用，设计简单的GUI界面，实现电话拨号音的自动检测
English Description：
Application backgroundThis is a use matlab prepared a dial tone automatic detection of simple GUI interface, communicate with new hope, hope God can be pointing, thank youKey TechnologyThe key technology is the application of MATLAB, the design of the simple GUI interface, the automatic detection of the telephone dial tone.