Abstract: D156-tone multi-frequency (DTMF) Signals are used in touch-tone telephones as well as many other areas. The design method of the traditional DTMF signal encoding and decoding circuit is more ...
This project implements a Dual-Tone Multi-Frequency (DTMF) decoder using Digital Signal Processing (DSP) techniques in Python. It analyzes audio files (.wav) containing telephone dialing sounds, ...
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