Blue Cat's FreqAnalyst is a free spectrum analyzer plug-in that lets you monitor the spectral content of your audio signal in real-time. This plug-in has been designed to provide extreme smoothness and high resolution for both time and frequency: unlike most spectrum analyzers, Blue Cat's FreqAnalyst is able to display continuous variations even with a very high-frequency resolution, thanks to its unique smooth interpolation algorithms.

Most aspects of the audio to frequency display conversion can be managed, which gives you total control over the monitoring. A special thresholding system has been developed to help you see the important parts of the spectrum easily. In case you need extra precision in a particular frequency range, you can zoom the display and check the part of the graph you are interested in.

This plug-in supports Blue Cat's skinning language so that you can customize the user interface to your personal needs. For more advanced capabilities, check Blue Cat's FreqAnalyst Pro plug-in, an extended version that offers many more features, such as saving/restoring curves, precise measurement tools, 3D spectrogram view, MIDI output. For multiple tracks analysis, you can use Blue Cat's FreqAnalyst Multi plug-in.

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 with multiple sizes.
Custom absolute and relative thresholds.
Full MIDI control and automation support with silent, zipper-free parameters update, advanced response control and MIDI Learn.
No CPU load on idle: when the plug-in is fed with silence, the processing smoothly shuts down, to optimize the CPU usage of your Digital Audio Workstation.
Skinnable and customizable user interface with transparency management.
Smooth Bypass: activate/deactivate the plug-in with absolutely no noise.
Undo/Redo.
Full-featured integrated presets manager.
Any sample rate supported.

What's New?

Native Apple Silicon (M1 processor) support.
Added MIDI control support (MIDI CC messages) for Next and Previous Preset commands, with MIDI learn.
Improved MIDI & automation control settings with lock, reset and "save as global setting" capabilities.
Unicode support.

System Requirements

macOS

Intel or Apple Silicon processor
OS X 10.9 or newer
VST / VST3 / AU / AAX compatible DAW (64-bit only)

Windows

SSE2-enabled processor (Pentium 4 or newer)
Windows Vista or newer
VST / VST3 / AAX compatible DAW (32 or 64 bit)