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Decimort is a high quality bit crusher.
Electronic music producers (especially in Hip-Hop) have always been aware that classic samplers (such as early Akai and E-MU units) had a character and sound of their own. They added a "grit" and "colour" to the samples and loops they played back which made them sound "Fat" and sit well in a mix. This sound colouration was due to the encoding techniques, lower sample rates, lower bit rate and conversion circuits which these early samplers used.
Decimort recreates this colouration and adds the vintage sampler magic to any loop, bass line or sound played through it. It also acts as the perfect bit crusher with filter.
Low quality sometimes is desired
The complex and advanced signal processing algorithms within Decimort simulate the behaviour of the whole sampling path which exists in every AD/DA converter. Decimort has no internal aliasing. The only aliasing effect present in the system is the modelled aliasing of the classic samplers d16 modelled when creating it. Undesired artifacts are not present in the processed signal. Only wanted artifacts remain. A further very steep low-pass filter, synchronised to the signal frequency, can be applied at the end of the signal path to absolutely ensure that no unwanted out-of-band signals remain.
Decimort offers not only bit resolution and sampling frequency to tweak. It provides far more advanced features like:
- 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 - Introducing short-period, random fluctuations to the resampling frequency producing different type of harmonic distortion.
- 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 - Conceptually developed as means to reduce audible quantization errors by masking the harmonic distortions they cause. Here to increase number of ways in which the sound can be treated.
Two in one
Decimort is also equipped with analogue-like filters with adjustable resonance that allow further sculpting of the signal. These can be used to smooth the sound or remove more of the sonic artifacts introduced into the signal path by the modelling process.
- Ultra accurate resampling algorithm (ADC emulation, no harmonics above 22kHz).
- Approximative (pre) filter and Image (post) filter, both conjugated with resampler (new in v2).
- Adjustable jitter (new in v2).
- Quantization with controlled dithering (new in v2).
- Two quantization methods (mid-raiser, mid-tread) (new in v2).
- Analogue-like filters with adjustable resonance and cutoff.
- Tag based preset browser (new in v2).
- Two alternative GUI sizes (new in v2).
- MIDI-learn functionality throughout (new in v2).
- 64-bit internal processing.
- No harmonic distortions at output (unwanted).