Blue Cat Audio FreqAnalyst Pro Software

The Pro version of Blue Cat's FreqAnalyst gives you real-time spectrum analysis for mono, stereo, or mid/side tracks, complete with 2D and 3D spectrograms.

Blue Cat's FreqAnalyst Pro is a real-time spectrum analyzer with advanced functionalities. It uses the same smooth algorithms as its little brother, Blue Cat's FreqAnalyst plug-in. It has been designed to provide extreme smoothness and high resolution for both time and frequency.

The frequency analysis can be fine-tuned in detail: manage its precision and rate, apply an offset or slope to the measured spectrum. Two thresholding systems are available, and the time response can be changed thanks to the attack and release parameters. Three modes are offered for each channel: instant, peak, or average response can be displayed on the same graph. Zooming capabilities and coordinates display let you exactly measure the characteristics of the spectrum.

The four memory slots let you store any curve in memory: it helps you make comparisons between several tracks or effects setup very easily.

A spectrogram view has been added so that you can monitor the evolution of the spectrum over time either in 2D or 3D (3D waterfall mode). All channels are of course available in this view, with exact coordinates display and zooming capabilities.

Like many of Blue Cat's other professional analysis tools, this plug-in also provides output parameters that you can use to control other effects in real-time: the generated automation envelopes or MIDI CC messages include the minimum and maximum frequencies and the energy center of the spectrum, expressed in Hertz or as MIDI note value. With the transformation read more parameters (offset, amount, and reverse), you can customize the generation of these parameters and monitor the modifications on the value graphs. Check the DP Meter Pro Tutorials to see how to use this capability within your favorite host.

Thanks to this unique functionality, you can now control any effect with the pitch of the audio signal: imagine a filter on an instrument controlled by the pitch of another instrument, compression depending on the pitch of the signal... Anything is possible.


- Mono, stereo or mid/side real time spectrum analyzer.
- Total control over the analysis parameters, with slope and offset correction.
- Smart interpolation algorithm for extreme display smoothness.
- Spectrum and spectrogram views.
- Animated zoom for all displays.
- Precise measurement capabilities, with note info display.
- 3D waterfall view with full 3D control.
- Solid or wireframe 3D surface display.
- Instant, peak and average curves display for each channel.
- Save the curves for easy A/B comparison.
- Opacity control for the user interface.
- Custom absolute and relative threshold control.
- Available in most plug-in formats for Mac and Windows.
- Full MIDI control and automation support, MIDI Learn.
- No CPU load on idle: processing shuts down when fed with silence (optimal CPU usage).
- Customizable user interface with transparency & zoom.
- Automation and MIDI output: record output parameters as automation curves or send MIDI CC messages to other plug-ins for powerful side chain effects.
- Smooth Bypass: noiseless plug-in activation / deactivation.
- Undo/Redo.
- Full featured integrated presets manager.
- Copy/paste the state of the plug-in between instances.
- Any sample rate supported.
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Mac Compatibility:
- Operating System: Mac OS 10.7 or newer
- An Intel processor
- Supported Plug-in Formats: VST-2, VST-3, AU, AAX

Windows Compatibility:
- Operating System: Windows 7, 8 or 10
- Pentium 4 or newer
- Supported Plug-in Formats: VST-2, VST-3, AAX
Base Item
Manufacturer Part Number (MPN): 1035-269

For support or warranty questions, please contact the manufacturer:

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