rtspeccy is a real time spectrum analyzer.
Plug in your microphone and speak, rtspeccy shall visualize your words.
rtspeccy is free and open source software.
Key Features
- Keep it simple. “It” refers to the code. No complex configuration file, simply a config.h.
- Displays the spectrogram using OpenGL.
- Split screen: Show history as well as current spectrum.
- Freeze, zooming and panning.
- Overtone guidelines: Click and hold the left mouse button to show guidelines which indicate where over- and undertones of the current frequency are located.
- History is colored via a color ramp.
Website: movq.de/git/rtspeccy/
Support:
Developer: P. Hofmann
License: GNU General Public License v3.0

rtspeccy is written in C. Learn C with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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