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The smart EQ plug-in for audio editing balances spaciousness and unlocks creative possibilities in the post-production of music and language.

  • Revolutionary learning ability powered by the Sonible smart:engine
  • 3in1 linear-phase EQ plug-in
  • Groundbreaking possibilities in audio processing

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    Detail & speed - smart:EQ layer

    Based on a unique ability for automatic learning, the smart:engineTM recognizes disturbing resonances or notches and automatically calculates individual filters to optimize single tracks or the mix as a whole. In classical mixing as well as in broadcasting, the smart:engineTM delivers fast high-quality results.


    Space & depth - proximity:EQ layer

    The second level comprises the proximity:EQ tool. This level of editing solves problems created by bad microphone settings or unfavorable recording spaces. In these instances, proximity:EQ can reconstitute the spaciousness you originally intended. Whether you need to decrease or increase the reverb – the proximity:EQ’s separation of reverb and direct sound gives you the ability to freely adjust the mixing ratio.


    Frequency-selective transient design - entropy:EQ layer

    The entropy:EQ separates harmonic and inharmonic components of your recording at any frequency range. This greatly simplifies the postprocessing of impact noise created by drums, guitars and other plucked instruments. Speech intelligibility, too, can be effortlessly improved by deliberately increasing noisy consonant sounds.


    Who is using frei:raum? 

    Mixing engineers

    frei:raum is the perfect tool when it comes to complex or time critical mixing tasks. The highly specialized signal processing of frei:raum allows mixing engineers to easily improve the spectral balance of a whole mix or match the spaciousness of individual tracks in projects of any size.


    Mastering engineers

    frei:raum's unique smart filters based on the sonible smart:engineTM offer very precise and detailed filter curves for delicate mastering tasks. The filtering structures have been designed to preserve the naturalness of processed recordings and offer a warm, transparent sound.

    frei:raum Key Features

    • 3 next-level EQ tools in a single plug-in
    • Has you covered for most precision mixing and mastering EQ needs
    • entropy:EQ+ (layer one) is a multiband transient designer — great for punching up weak drums or subduing pokey acoustic instruments
    • proximity:EQ+ (layer two) mimics the effects of moving microphones in virtual space — tightens up lead vocals or lets ambient tracks breathe
    • smart:EQ+ (layer three) uses powerful AI to automate EQ corrections that are commonly needed to get source tracks in the mixing ballpark

    Operating System

    Mac, PC



    Bit Depth

    Windows: 32-bit & 64-bit, Mac: 32-bit & 64-bit


    AAX Native, VST2, VST3, AU
    Authorization Type iLok License Manager is required to install sonible software. You DO NOT need an iLok account or a physical iLok USB Dongle.

    Mac Hardware Requirements

    Intel Core i5 or higher, 4GB RAM minimum

    PC Hardware Requirements

    Intel Core i5 or higher, 4GB RAM minimum

    Mac OS Requirements

    OS X 10.9.5 or later

    PC OS Requirements

    Windows 7 SP1 or later
    Our team is ready to help you with any question you have.

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