Protector - Audio software Blue Cat Audio - Free user manual and instructions
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| Product Type | Audio Software Plugin |
| Brand | Blue Cat Audio |
| Model | Protector |
| Category | Dynamics Processor / Limiter |
| User Interface | GUI with metering and analysis tools |
| Main Function | Brickwall peak limiting and level maximization |
| Processing Type | Look-ahead digital limiting |
| Sample Rate Support | Up to 192 kHz |
| Bit Depth | 64-bit floating point internal processing |
| Algorithms | Oversampling and true peak detection for transparent limiting |
| Controls | Threshold, Ceiling, Release, Look-ahead time, Amount |
| Features | Automatic gain compensation, loudness normalization, stereo/mid-side modes |
| Formats | VST, VST3, AU, AAX (on supported systems) |
| Host Compatibility | Works with major DAWs (Pro Tools, Logic, Cubase, Ableton, etc.) |
| System Requirements | Windows 7 or later, macOS 10.9 or later (with modern updates) |
| Installation | Digital download with license activation |
| Updates | Free updates within version |
| Maintenance | No physical maintenance; keep software updated |
| Safety | Secure activation, backup license file recommended |
| Repairability | Reinstallation available via user account |
| Support | Online user manual and technical support |
| General Info | Designed for mixing and mastering |
Frequently Asked Questions - Protector Blue Cat Audio
What is Blue Cat Protector?
Blue Cat Protector is a look-ahead limiter and level maximizer audio plugin designed to increase loudness while preserving signal clarity. It is commonly used in mixing and mastering to prevent clipping and distortion.
How do I install Blue Cat Protector?
Download the installer from the Blue Cat Audio website after purchase. Run the installer, select your supported plugin format (VST, AU, etc.), and follow the on-screen instructions. Activation is done with your license key.
What are the system requirements for Protector?
Windows 7 or later, macOS 10.9 or later, and a compatible DAW are required. A modern multi-core processor and at least 4 GB RAM are recommended for optimal performance.
Which plugin formats are supported?
Protector supports VST, VST3, AU, and AAX formats, covering most major DAWs on Windows and macOS.
How do I activate my license?
Upon first launch, enter your serial number in the activation dialog. You can also activate offline using a machine-specific code generated by the plugin. Make sure to back up your license file for reinstallation.
Can I use Protector on the master bus?
Yes, Protector is ideal for the master bus. Its true peak detection and oversampling ensure transparent limiting, making it safe for final mastering and broadcast loudness compliance.
What is look-ahead limiting?
Look-ahead limiting uses a delay in the signal path to detect peaks before they occur, allowing the limiter to react more smoothly and reduce distortion. Protector features adjustable look-ahead time for precise control.
How do I avoid distortion with the limiter?
Set the Ceiling to the desired output level, then lower the Threshold until you achieve the needed gain reduction. Use moderate release times and enable oversampling to minimize inter-sample peaks and distortion.
Can I use it for loudness normalization?
Yes, Protector includes loudness normalization functions that can match perceived loudness to targets like LUFS, making it suitable for streaming platforms and broadcast.
How can I get support or read the manual?
The full user manual is available as a downloadable PDF from the Blue Cat Audio website, and you can contact their technical support team for personalized assistance. The plugin also features a built-in help section with tooltips.
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