Decimort 2

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Decimort recreates the coloration and adds the vintage sampler's magic to any sound

Electronic music (especially Hip-Hop) producers have long been aware that classic samplers (such as early Akai and E-MU units) had a character and sound all their own: they added a "grit" and "color" to the samples and loops they played back which made them sound "fat" and sit well in a mix. This sound coloration was due to the encoding techniques, lower sample rate and bit depth, and conversion circuits used by these early samplers. Decimort recreates this coloration and adds that vintage sampler magic back to any loop, any bassline, or any sound played through it for that matter! Beyond vintage sampler emulation, it’s also the perfect bit-crusher with filter, capable of extreme settings for dramatic results.

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    The highest quality low-quality effect you can buy

    While this tagline may seem like an oxymoron on the surface, allow us to explain: the Decimort effect unit (available as part of the SilverLine collection of plugins from D16) is a premium grade bit crusher and sample rate reducer with some highly unconventional features. The advanced signal processing algorithms within Decimort simulate the complex behavior of the entire sampling path that exists in every AD/DA converter, and with version 2 comes far greater control over the process!

    Decimort has zero internal aliasing—in fact, the only aliasing present is the emulated aliasing of the classic samplers we modeled when creating it. Unwelcome artifacts are completely absent in the processed signal: only the desirable, modeled ones remain.

    More control than any other effect of this type

    Decimort isn’t just another bitcrusher with only bit resolution and sampling frequency to tweak; in fact, it provides far more advanced features than you likely could have ever expected from an effect of this kind, all implemented in stunning quality:

    • Two optional anti-alias filters - A very steep low-pass pre-filter (Approximative Filter) coupled with the resampling frequency that removes all harmonic content above it, ensuring no aliasing will appear below this frequency in the spectrum. A further post filter (Image filter), also synchronized with the resampler, gives control over the amount of aliasing images appearing above resampling frequency when enabled
    • Adjustable Jitter - An unprecedented feature in the bit crusher’s world which introduces short-period, random fluctuations to the resampling frequency, thus making the process even more sonically interesting by producing a type of harmonic distortion you’ve likely never heard in this context.
    • Two quantization methods - Two available quantization methods; the mid-raiser and mid- tread decimation algorithms, each of them characterized by a drastically different dynamics response.
    • Controllable dithering - Dithering was conceptually developed as means to reduce audible quantization errors by masking the harmonic distortions they cause. We added controllable dithering to increase the number of ways in which you can (mal)treat the sound.

    All this adds up to a very powerful and musical tool which is not only another creativity-releasing item for your arsenal, but one that gives you the ability to emulate classic sampling units in the box now with even greater precision through access to a variety of parameters unavailable up till now in effects of this type!

    Two in One

    Decimort is also equipped with analog-like filters with adjustable resonance that allow further sculpting of the signal. These can be used to smooth the sound or remove sonic artifacts introduced into the signal path by the modeling process to your taste.


    Decimation algorithms comparison 

    Sine 914Hz, decimation about 3.6kHz

    D16's ADC emulation algorithm allows to remove all unwanted harmonics, leaving only desired artefacts (images and aliasing, that usually appear during sampling process in classic AD/DA converters).

    Working in higher sampling frequencies

    Sine 858 Hz (192 kHz downsampled to 3.6kHz)

    Working with higher sampling frequencies in DAW, Decimort doesn't produce harmonics above 22kHz (max nyquist value for resampler).


    Drum loop resampled (192kHz to 44kHz)

    It is possible to use Decimort in a CD mastering process if there's necessity of downsampling final mix to 44kHz.


    Approximative and Image filter

    Spectograms below show the frequency responses of the Approximative and Image filters processing white noise

    Image filter and Approximative disabled


    Approximative filter enabled and its frequency coupled with resampler (deviation = 0). This results in no aliasing and images present above resampling frequency



    Approximative and Image filters enabled, both their frequencies coupled with resampler (deviation = 0, shift = 0). No aliasing, no images

    Approximative filter's frequency coupled with resampler, while Image filters frequency slightly shifted above resampler's (deviation = 0, shift > 0). No aliasing, some images

    Image filter's turned off, while Approximative filters frequency set slightly below resampler's (deviation < 0, shift = 0). No aliasing, but images and some of harmonics from source signal removed right below resampling freq.

    Sound Examples

    Decimort 2 Key Features

    • Ultra accurate resampling algorithm (ADC emulation, no harmonics above 22kHz)
    • Approximative (pre) filter and Image (post) filter, both conjugated with resampler
    • Adjustable jitter
    • Quantization with controlled dithering
    • Two quantization methods (mid-raiser, mid-tread)
    • Analog-like filters with adjustable resonance and cutoff
    • Tag based preset browser
    • Two alternative GUI sizes
    • MIDI-learn functionality throughout
    • 64bit internal processing
    • No harmonic distortions at output (unwanted)

    Operating System

    Mac, PC



    Bit Depth

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


    VST, AU, AAX

    Mac Hardware Requirements

    Intel based 1.8 GHz (2.4 GHz recommended),  8 GB RAM (16 GB Recommended)

    PC Hardware Requirements

    2.0 GHz SSE (Multicore 2.1 GHz recommended),  8 GB RAM (16 GB Recommended)

    Mac OS Requirements

    OS X 10.7 to OS X 11.1

    PC OS Requirements

    Win 7, Win 8, Win 10
    Our team is ready to help you with any question you have.

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