摘要
ＤＴＭＦ信号是音频电话中的拨号信号，广泛应用于新一代电话机。本文介绍一种基于ＴＭＳ３２０Ｃ５４Ｘ系列ＤＳＰ芯片的ＤＴＭＦ信号的检测，解决了以往所用方法的不足之处，使得ＤＴＭＦ信号检测变得准确、迅速和灵活，从而可能实现多种的电信增值的服务。
DTMF signal used as dialing signal in tone telephone applied in many new field widely.A new method to detect DTMF signal based on TI Company new DSP product-TMS320C54X is introduced in this article.This new method has many advantages. We can detect DTMF signal correctly quickly and easily in this way. It made it possible to develop manifold new telecommunication services.
出处
《微计算机信息》
2000年第5期77-79,共3页
Control & Automation
