在MATLAB中用Goertzel算法（先用FFT算法，再用goertzel算法，）仿真DTMF的产生与检测的程序。应用于双音多频信号的产生与检测。-in Goertzel algorithm using MATLAB (first using FFT algorithm, reuse goertzel algorithm) simulation DTMF detection with the selection process. Used DTMF signal detection with

ＤＴＭＦ算法Ｃ语言实现，双音频信号产生与检测-DTMF algorithm C language

用于DTMF信号的检测，包括了算法和程序的实现，用c++完成-For DTMF signal detection, including the algorithms and procedures to achieve, using c++ complete