GitHub - bert2/DtmfDetection: 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.
![Home Automation, Durable Relay, DTMF Tone Signal Decoder for Detect' : Amazon.in: Industrial & Scientific Home Automation, Durable Relay, DTMF Tone Signal Decoder for Detect' : Amazon.in: Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/7176ta5ZSML.jpg)
Home Automation, Durable Relay, DTMF Tone Signal Decoder for Detect' : Amazon.in: Industrial & Scientific
![Figure 3 from Dual Tone Multi Frequency (DTMF) signal generation and detection using MATLAB software | Semantic Scholar Figure 3 from Dual Tone Multi Frequency (DTMF) signal generation and detection using MATLAB software | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/4826a18dc4c29eb77f915d6ce4ba5c3e93738c31/4-Figure3-1.png)
Figure 3 from Dual Tone Multi Frequency (DTMF) signal generation and detection using MATLAB software | Semantic Scholar
![Quantitative Analysis of DTMF Tone Detection using DFT, FFT and Goertzel Algorithm | Semantic Scholar Quantitative Analysis of DTMF Tone Detection using DFT, FFT and Goertzel Algorithm | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/0ae9a4bca32acff65e6758ba63f4eebd14757e57/2-Figure2-1.png)
Quantitative Analysis of DTMF Tone Detection using DFT, FFT and Goertzel Algorithm | Semantic Scholar
![Home Automation, Durable Relay, DTMF Tone Signal Decoder for Detect' : Amazon.in: Industrial & Scientific Home Automation, Durable Relay, DTMF Tone Signal Decoder for Detect' : Amazon.in: Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71vsgQEf80L._AC_UF350,350_QL80_.jpg)