Extract phone numbers from an audio recording of the dial tones.

The Dual-tone multi-frequency signaling Android decoder.

:telephone_receiver: Using Matlab to simulate Dual-Tone Multi-Frequency (DTMF) of telephone

C# implementation of the Goertzel algorithm for DTMF tone (a.k.a. Touch-Tone) detection and localization in audio data. Includes wrappers and extensions for NAudio.

A Java program to implement a DMTF Decoder.

Project of Signals & Systems course

DTMF decoder for STM32

Arduino library for MT8870 DTMF decoder (breakout)

Efficient 8 bit AVR-based DTMF Decoding

Decode DTMF audio in go.

A web based DTMF encoder/decoder.

DTMF Decoder and Encoder shield for Arduino

An encoder and decoder for DTMF written in Rust

A MATLAB program to encode and decode the dual-tone multiple-frequency (DTMF) signals used to dial a telephone.

Decoder DTMF tone, Delphi Library

small and simple dtmf library (decoding only for now)

DTMF decoder and RadioChannel Quality tool for D-STAR

DTMF Decoder

An Ardunio DTMF decoder used to control a relay board. Using a ham radio receiver, I can switch lights, radios, computers...anything...on or off from miles away.

DSP Final Project- Dial Tone Decoder implemented in MATLAB

DTMF decoder based on sox and multimon

MT8870 DTMF decoder for POTS phone line interfacing

Gamepad HID decode DTMF

Decoding DTMF tones on Arduino with the MT8870 DTMF Decoder Module

DTMF Decoder C++11 class

simple portaudio based dtmf decoder with simple udp send functionality

Phone line interface with DTMF decoder and speech synthesis for Pi board

A DTMF(dual-tone multi-frequency) signal decoder solution in Java.

Scenario Y, 2nd Year UCL EEE, Phone Line Tapping Scenario (DTMF Decoder)

Updated version of the Dreadtech DTMF Decoder