FabFilter Pro-G is a high-quality gate and expander plug-in designed for mixing and mastering music. It offers flexible side chain options, making it ideal for various audio projects. The app filters microphone input and plays it back in real time, allowing you to see your adjustments immediately.

To use FabFilter Pro-G, you'll need an AUv3-compatible host app like Auria, AUM, or Cubasis. Once installed, Pro-G will show up in the list of Audio Unit extensions for effect plug-ins within your chosen host app. This integration makes it easy to enhance your tracks with professional quality.

FabFilter Pro-G provides five perfectly fine-tuned expander and gate algorithms. These include Classic expander style, Clean expander style, Vocal expander style, Guitar expander style, and an upward expansion style. Each algorithm is designed to fit different audio needs, ensuring you have the right tools for your specific project.

The app features beautifully program-dependent attack curves and release curves, which help you shape the sound just the way you want it. Additionally, Pro-G has a real-time level display that provides precise metering, allowing you to monitor levels effectively as you work. Its low CPU usage means you can use it without taxing your system, making it smooth and efficient.

You’ll find adjustable range settings, hold time settings, and knee settings in the interface. These controls give you the power to tailor the effect to your liking. The optional look-ahead time of up to 10 ms means you can prepare for incoming audio signals, improving the overall sound quality.

For advanced users, the expert mode options allow for customizable side chain options and level control. This mode is hidden in normal mode but offers great flexibility for those who need it. FabFilter Pro-G supports mono processing, stereo processing, and mid/side processing, giving you the versatility to handle various audio formats.

If you're looking for high fidelity, the software boasts linear-phase oversampling of up to four times. You can also take advantage of the zero-latency operation feature, ensuring that your audio processing does not delay your workflow.

For live performances, FabFilter Pro-G includes MIDI triggering functionality, allowing you to open the gate or expander with your MIDI keyboard. This feature enhances the usability for live settings and makes it a powerful tool for musicians.

Users can adjust the dry and wet levels separately, helping to blend the processed audio perfectly with the original sound. FabFilter Pro-G is easy to set up for common gating situations, thanks to its included factory presets that provide a quick start for various applications.

When making changes, you can easily use the undo/redo functionality, giving you peace of mind as you experiment. The A/B comparison feature allows you to see the difference between two settings, helping you decide on the best option for your project.

Overall, FabFilter Pro-G features innovative interfaces that make it a joy to use. Whether you're a professional or a beginner, Pro-G serves as a superb tool that enhances your mixing and mastering experience. With its range of features and user-friendly design, it's a great addition to any audio toolkit.