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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.
A benchmark for Goertzel algorithm and `scipy.fftpack.fft` (with custom implementation of Goertzel algorithm in short-time version) **for evaluating a few DFT terms**
Spectrum Analyzer using Goertzel Algorithm in Arduino (2016)
An efficient way to implement FFT using Arduino
In this repository I store example scripts of some DSP algorithms made in MATLAB. These served an educational purpose when I wrote them, I'm making them public, since I had trouble finding example code.
A real time frequency finder by reading the PCM input.
Design a Goertzel filter