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.

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

Dtmf generator for stm32

Converter from pulse dialing to tone dialing

A web based DTMF encoder/decoder.

oldschool phone phreaking. Back in the early 90's when no kid owned a cellphone..

Part of a Digital Signal Processing class

A robot(car) that is controlled by the DTMF signals produced form a cellular phone.

PHP Classes, Libraries for projects

The goal of this project is to develop a DTMF synthesizer function using MATLAB software

DTMF generator for Android. All 16 DTMF signals. Outputs to audio.

This work present homework number 2, part 1 from the subject Digital Signal Processing for the school year 2016/2017.