Acon Digital DeFilter

Acon Digital DeFilter - Digital Download | Intelligent Tonal Balance and Resonance Removal Tool

Acon Digital DeFilter is a high-performance tool designed for audio post-production, aimed at smoothing out tonal imbalances in recordings and effectively reducing resonant peaks or dips in the spectrum. Even severe issues caused by untreated rooms, such as Comb Filter Effects or standing waves, can be significantly improved with this software. DeFilter is highly flexible, capable of matching recordings to preset target profiles (such as music or speech), or extracting overall tonal characteristics from the source signal—the macroscopic spectral envelope—while smoothing out narrow-band peaks and dips. This processing method effectively removes resonances and comb filtering while fully preserving the original tonal character of the input signal.

In addition to restoration functions, DeFilter is also a powerful Automatic Equalization tool, allowing users to equalize recordings to match a specific Reference Recording. This is crucial for unifying the tone of different tracks in an album or ensuring dialogue recordings meet specific broadcast standards. The development team places extreme importance on user experience, designing an intuitive interface to ensure even complex audio restoration tasks can be completed with ease.

Users can utilize custom curves to define frequency-dependent correction levels, meaning you can let DeFilter focus on processing problematic frequency ranges while keeping other bands untouched. The interface features built-in input and output signal real-time spectrum analyzers, capable of visualizing the effects of spectral correction, allowing you to precisely grasp the impact of every adjustment on sound quality. It is an essential tool for improving speech intelligibility and mix quality.

Core Advantages and Applications

Mixing and Pre-Mastering Processing
Quickly correct frequency response issues in the mix before the mastering stage, solving spectral imbalances to provide a cleaner foundation for subsequent processing.

Acoustic Environment Defect Compensation
Effectively reduce resonances and standing waves caused by room reflections in untreated recording spaces, restoring purer, more natural recording quality.

Intelligent Matched Equalization
Automatic equalization processing based on reference signals allows your tracks to quickly approximate an ideal reference tone or unify sound quality characteristics across different recording segments.

Improve Speech Clarity and Intelligibility
Optimized for vocal recordings, capable of removing muddy frequency interference, significantly improving the clarity of speeches, dialogue, or broadcast recordings.

Instant Repair of Comb Filter Effects
Provides real-time and efficient automated repair solutions for the extremely difficult-to-treat comb filter effects in recordings, without the need for tedious manual EQ adjustments.

Features

Tech Specs

• Supported OS (Windows): Windows 10 / 11 or higher.
• Supported OS (Mac): macOS 10.9 or higher.
• Architecture Support (Windows): 32-bit and 64-bit versions provided.
• Architecture Support (Mac): 64-bit version only.
• Processor Support (Mac): Native support for Intel processors and Apple Silicon (ARM / M1 / M2, etc.) chips.
• Plugin Formats (Windows): VST, VST3, AAX.
• Plugin Formats (Mac): AU, VST, VST3, AAX.
• Licensing: Digital Download License.