1)Telephone Signal,信号音2)signal sound of telephone net,话网信号音3)frequency shifted audio tone,移频信号音4)identification of telephone signal,电话信号音识别5)UTD,通用信号音检测6)recognizing signal sound,信号音的识别
用法例句
Methods of Identifying Telephone Signal in Remote - control System;
远程控制系统中电话信号音识别方法
This essay discusses the development and testing method in signal sound of telephone net.
