电话网信号音检测方法的研究

Research on Testing Method of Signal Sound of Telephone Net

对电话网信号音的发展及检测方法进行探讨，就信号特征和发展以及现有的检测电路滞后问题做研究，提出一种以ＰＩＣ１６ＣＸＸ单片机为核心的智能化信号识别检测方法。

This essay discusses the development and testing method in signal sound of telephone net.After making researches on the characteristic and development of signal and the circuit testing problem,it puts forward an intellectualized testing method to distinguish signal,with the PIC16CXX single-chip microcomputer as the center,so as to solve the existing problem in testing telephone signal sound.