FreqAnalyst is a free spectrum analyzer VST, VST3, Audio Unit, RTAS, AAX, DirectX plugin developed by Blue Cat Audio. Compatible OS(s): Windows 64b, macOS.
Blue Cat’s FreqAnalyst is a real-time spectrum analyzer with smooth response and complete control over the audio spectrum analysis. Its customizable user interface and transparency feature let you make it totally integrated in your favorite audio application: check the audio spectrum and see behind it.
It is available as a single download or within the Freeware Pack bundle, together with all Blue Cat Audio freeware products.
Features:
- Mono and stereo real time spectrum analyzer.
- Total control over the audio to frequencies transformation.
- Smart interpolation algorithm for extreme display smoothness.
- Zoomable display.
- The user interface can be made transparent.
- Custom absolute and relative threshold.
- Skinnable user interface.
- Full automation and real time MIDI control support.
http://www.bluecataudio.com/