CqtAnalizer
size 1.4 MB / 1 MB
CqtAnalizer is a lightweight spectral analyzer plugin featuring logarithmic equally spaced resolution across all octaves (Constant-Q transform).
- Spectral analyzer audio plugin based on the Constant-Q transform.
- Offers logarithmic equally spaced resolution across all octaves.
- Covers 48 bins per octave (1/8th tone) and 10 octaves.
- Multithreading to keep it lightweight on the audio thread.
- Open source.
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CqtAnalyzer_Win_64_VST ( 1.4 MB )
CqtAnalyzer_Mac_64_VST ( 1 MB )
CqtAnalyzer_Mac_64_AU ( 1 MB )
CqtAnalyzer_Linux_64_VST ( 1.3 MB )
We’re audio producers and sound designers with over 20 years of experience in the industry. Our team has lived through the entire evolution of digital audio production.
Our mission? To filter out the junk and bring you only the studio-ready free VSTs that actually compete with paid gear. We do the digging so you can focus on creating.






Fantastic.
I’ve wanted to see a frequency analyser rescaled to musical notes for a long time.
Does what it says on the tin.
Only thing I’d like to see added is a keyboard at the bottom along the x-axis