While many of us have banished land line telephones from our houses, there are still quite a few people who utilize POTS lines today. These analog phone systems use Dual Tone Multi Frequency (DTMF) ...

DTMF Tone Decoder A Python-based program for decoding Dual-Tone Multi-Frequency (DTMF) signals from audio files. This project extracts keypad presses from DTMF tones commonly used in telecommunication ...