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32-bit / 64-bit

Decimort 2

Bit Crusher by D16 Group

James sanger 1
"I am so hyped by Decimort, and am really excited to see what D16 Group come up with next. I will try to be first in the queue...!!!"
James Sanger. As a producer and programmer, James is credited with over 60 million record sales worldwide. His work has also won 3 Brit awards, 18 Grammys and 2 Ivor Novello awards since 2001.
Zedd pluginboutique
"I love Decimort. It's one of the best sounding bit-crushers out there. I use it all the time on synths and vocals."
Zedd. German Record Producer/DJ/Musician who primarily produces Electro-House music, but has diversified his genre and musical style, drawing influences from Progressive House, Dubstep and Classical music.
Dj michael trance 1
"Decimort is a must have tool for sound design, especially if you are trying to recapture the sound of vintage samplers."
Dj Michael Trance. Through the 90’s the name Dj Michael Trance was synonymous with house music . He has Produced & Remixed songs for artists such as Coldplay, Rihanna, Black Eyed Peas, Ke$ha, Enrique Iglesias and more. .

Vintage DA Sound: The coloration and warmth characteristic of circuits from classic samplers recreated with painstaking accuracy.

Far more than just a bit-crusher: Approximative anti-alias filter and image filter, adjustable jitter and dithering, and two alternative quantization algorithms for total control over the process.

Multimode filter: Works in pre or post, along with a resampler module to allow further sculpting of the signal.


Decimort recreates the colouration 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.

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 artefacts 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 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 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 artefacts introduced into the signal path by the modeling process to your taste.

Key Features

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


Decimation algorithms comparision

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.

System Requirements

Software and hardware requirements of the product

Windows PC

  • OS version - Windows 7, Windows 8, Windows 8.1, Windows 10
  • CPU - 2.0 Ghz with SSE (Multicore system 2.1 Ghz recommended)
  • RAM - 4 GB
  • Software - VST / AAX compatible host application (32bit or 64bit)

 Mac OS X

  • OS version - 10.7.x, 10.8.x, 10.9.x, 10.10.x, 10.11.x
  • CPU - Intel based 1.8 Ghz (2.4 Ghz recommended)
  • RAM - 4 GB
  • Software - AU / VST / AAX compatible host application (32bit or 64bit)


Cm performanceCm value

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