This tool alows you to encode or decode DTMF (dual-tone multi-frequency) signals. Use this slider to set the duration of the tones. Use this dialpad to create the corresponding DTMF tones. You can capture …

Tool to decrypt/encrypt DTMF codes. Dual-tone multi-frequency DTMF codes are combinations of sound frequencies used in phones when dialing numbers.

Have you always dreamt of finding the phone number dialled by someone in a video? It's possible now! All you have to do is record the audio of the beeps and this script will extract the phone number for …

DTMF Decoder is a very easy to use program to decode DTMF dial tones found on telephone lines with touch tone phones. DTMF Decoder is also used for receiving data transmissions over the air in …

DtmfCodeAnalyzer is an open-source project designed to analyze and filter DTMF (Dual-Tone Multi-Frequency) signals used in conventional telephony. The project provides functionalities to detect and …

This code is a development of John Etherton's original decoder based on the Goertzel algorithm it features a number of improvements and tweaks to increase speed and accuracy.

MT8870 is a DTMF Decoder module that generates a 4-bit digital code with respect to the DTMF audio signal. The MT8870 Decoder IC is integrated with an operational amplifier with user-adjustable …