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
-
Updated
Jun 19, 2021 - C
#
goertzel
Here are 2 public repositories matching this topic...
Real-time DTMF tone decoder on ARM Cortex-M with LCD display, using Goertzel algorithm and modular embedded system design.
arm real-time microcontroller lcd cortex-m dtmf signal-processing decoder embedded-systems keil goertzel
-
Updated
Jul 22, 2025 - C
Improve this page
Add a description, image, and links to the goertzel topic page so that developers can more easily learn about it.
Add this topic to your repo
To associate your repository with the goertzel topic, visit your repo's landing page and select "manage topics."