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.
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Dec 19, 2022 - C#
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goertzel-algorithm
Here are 15 public repositories matching this topic...
A Java program to implement a DMTF Decoder.
audio digital signal-processing dsp decoder wav goertzel-algorithm fast-fourier-transform fourier signal fft digital-signal-processing dtmf-tones dtmf-decoder frequencies audio-processing goertzel
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May 3, 2026 - Java
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**
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Apr 5, 2022 - Python
DTMF decoder for STM32
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Jun 18, 2020 - C
Spectrum Analyzer using Goertzel Algorithm in Arduino (2016)
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Apr 7, 2017 - C
M5Stack CW Decoder
radio decoder morse-code morse goertzel-algorithm hamradio cw digital-filter m5stack m5stack-core2 m5unified
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Nov 13, 2024 - C
An efficient way to implement FFT using Arduino
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Aug 26, 2023 - C++
Esoteric language that uses tones of different frequencies to denote different instructions
frequency compiler signal-processing brainfuck goertzel-algorithm esolang esoteric-programming-language frequency-analysis elf64 c23 single-pass-compilation
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May 8, 2026 - C
A real time frequency finder by reading the PCM input.
goertzel-algorithm fast-fourier-transform digital-signal-processing ring-tone audio-processing goertzel busy-tone
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Jun 19, 2021 - C
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.
dft dsp goertzel-algorithm fast-fourier-transform digital-signal-processing goertzel fourier-transform discrete-fourier-transform inverse-fourier-transform
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Jul 13, 2021 - MATLAB
Design a Goertzel filter
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Oct 23, 2023 - VHDL
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Mar 5, 2019 - C++
DTMF project using DFT, Goertzel algorithm, and Spectrogram for Signal Processing class
dft dtmf signal-processing dsp matlab goertzel-algorithm fast-fourier-transform fft digital-signal-processing dtmf-tones goertzel dual-tone-multi-frequency discrete-fourier-transform discrete-time-fourier-transform dtft
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Jul 30, 2025 - MATLAB
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