Turbeaux Sounds KEYQ

High-Performance FFT Library & Logic Pro Plugin

Download Turbeaux Sounds KEYQ

Ready to use - download and install in minutes.

💿 KEYQ Complete Package

DMG Installer for macOS

Includes both Logic Pro Audio Unit plugin and Standalone spectrum analyser. Now with crash fixes, test tone generation, and optimised FFT performance!

Download DMG

📚 Source Code

C++23 FFT Library

Build from source or use as FFTW3 drop-in replacement.

📁 View on GitHub

✅ Latest Version Available Now

Logic Pro Audio Unit plugin with test tone generation! No more crashes - the plugin loads correctly and generates test tones when Logic is stopped. Features optimised O(N log N) FFT algorithm and real-time spectrum analysis.