Voxengo Marquis Compressor User Guide: Powerful Audio Compression For Professional Mixing.pdf

# Voxengo Marquis Compressor User Guide

## Introduction
The Voxengo Marquis Compressor is a versatile audio plugin designed for professional music production, offering both smooth compression and harmonically rich sound. It can be applied to various audio materials, from individual tracks to mixes, with options for clean or colored sound output. The plugin's core is built around a tube triode-modeled amplifier cascade, providing unique harmonic characteristics based on Drive settings.

## Features
- Three Compressor Modes: Legacy, Feed-Forward, and Feedback.
- Four Tube Amplifier Modes for diverse tonal options.
- Gate/Downward Expander Mode for drum bleed reduction.
- External Side-chaining for creative compression effects.
- Key Signal Filtering for tailored sound shaping.
- Stereo/Multi-channel Processing and internal channel routing.
- Channel Grouping for efficient management.
- High Oversampling Rates (up to 8x) and 64-bit floating-point processing.
- Preset Manager, Undo/Redo History, and A/B Comparisons.
- Contextual Hint Messages for guidance.
- Support for all sample rates with zero processing latency.

## Compatibility
Compatible with AAX, AudioUnit, VST, and VST3 audio hosts on Windows (XP to 10) and macOS (10.11 and later), requiring a 64-bit Intel or Apple Silicon processor with at least 4GB of system RAM.

## User Interface Elements
The plugin follows a consistent Voxengo interface design, with standard features and elements described in detail in the "Voxengo Primary User Guide."

## Dynamics
- Threshold: Sets the knee point (in dB) for compression, visible on the "Key In" level meter.
- Ratio: Adjusts the steepness of the knee as input to output ratio.
- Attack: Specifies compressor attack time in milliseconds.
- Release: Defines release time in milliseconds.
- Gate Switch: Enables gate mode, altering Attack and Release settings to Gate Open and Close times.
- Mode Selector: Chooses between Legacy and new compression algorithms.
- Feedback Switch: Enables feedback compression mode for a punchier sound.
- Detector Switch: Selects between Normal and Round signal level detection algorithms.
- Auto Gain Switch: Automatically adjusts makeup gain based on Dynamics settings.

## Key Filter
Allows loading presets and editing custom key filter shapes. Features monitoring of filtered signals, internal/external side-chain selection, and a switch for enabling the monophonic mode.