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AccSone Crusher-X 6 Granular Synthesis System Plugin

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Quick Overview

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crusher-X is a granular synthesizer and granulize effect plug-in for Windows (VST 2.4 32bit and 64bit) and macOS (AU, VST 64bit).


Its powerful algorithm creates very complex sounds, drones and outstanding multichannel effects. crusher-X does distill and transform per-recorded or live-audio input quite radically. crusher-X is a trademark that is known since 1999 as "the" granular effect standard that allows a very deep control of grains and layered grain-streams in real-time. crusher-X is in use by famous sound-designers, composers, musicians and film-makers all over the world. The professional, open-minded and curious "crusher-X community" creates outstanding, unique, multi dimensional sonic pieces and thrilled their enthuses audience in great live-shows.

It's more than sound... it's more than music ... it's the crusher!

Features: Over 130 presets, stereo and 10 channel surround outputs (e.g. 5.1, 6.1, 7.1, 8.2, 9.1), Up to 199 grain streams that are processed multi-threaded (Multi-Core CPU support). Advanced parameter editor with physical modeling faders and an unique physical modeling X/Y controller. 3D grain visualization, over 190 free assignable real-time plug-in parameters, real-time MIDI control, morphing system, parameter phase and frequency spread modulations (spreading modulations over several grain stream generators), modulation and grain quantization to host, pitch tracking and autotune system with keyboard input and visualization, long real-time grain lengths, individual grain overdrive, filtering, unique X-crush and Diffuse grain processing. Shadow programs. Unlimited undo/redo and randomize functionalities. Several granulation live buffer and freeze modes. Automatic triggered grain buffer filling modes. Comes with hundreds of different tuning scales and MIDI keyboard control of grain effect.  



Welcome to crusher-X 6! Welcome the beast!



crusher-X version 6 will again present a couple of features that are unique in the world of granular synthesis: Besides the grain processing innovations “X-Crush” and “Overdrive” the new “Diffuse” processor will generate up to 10 independent reverbs inside the grains. The "reverb memory" will be taken from one grain to another and diffuses the grain content but not the grain output. This unique process will generate laser sharp grain edges while a warm sound environment is created at the same time. The reworked “Sweep” processor allows spline- and step-modulated grain-pitch runs.



In version 6 grain generators can now be modulated with the new “Spread” parameter that modulates with different frequency offsets for each generator. This leads to very intensive, pulsing, diverge and converge grain modulations. In addition, new modulation types like “Random Sync”, “Sample & Hold” as well as “Follow Pitch” are provided.



All modulations can be synced to the host beat and besides the spline-editor as a new step-editor is introduced.



The new “Autotune” feature generates pitch aggregations and compensations via the grain engine while forcing tuning towards specific scales. The unique autotune modus “Force to Base Key” steers the grain-engine so that the output pitch is nailed down to a single tone independent from the input signal pitch.




The UI is reworked and a new vapor modulation overview shows all modulations in parallel. More than 130 included patches are ready to be used by sound-designers, film score composers, DJs and experimental guitarists.



Join a world beyond music

For this purpose the qualification „beautiful“ or „ugly“ makes no sense for sound, nor for the music that derives from it; the quantity of intelligence carried by the sounds must be the true criterion of the validity of a particular music.

Iannis Xenakis in "Formalized music: Thought and mathematics in composition.", 1963-1992

The crusher-X algorithm is based on the traditional granular synthesis algorithm (Xenakis, Roads, Wilkins) invented in the early 1950s. In granular synthesis, short (e.g. 50 milliseconds) sound fragments, "the grains," come from a fixed file buffer. The starting time, length and silence between the grains can be modulated. More than one grain at a time is possible, so you can create complex sound "clouds" from any sound signal. 

When experimenting with those (length of grains), I have discovered a certain confusion as to what effect one can expect when setting parameters to certain values. Not only it seemed that length and density each had an impact of its own on the character of the granulated sound, but it also appeared that their relational value was highly important.

Leon Zadorin "Composing with Granular Synthesis"

A "window function" blends in and blends out the grains at the begin and end of its live cycle. This function determines the character of the continuum and thus the different perceptions. Xenakis recommended the Gaussian window because of its theoretical considerations. For performance reasons, e.g. Truax realized in its real-time systems simple linear-interpolated envelopes.


All sound is an integration of grains, of elementary sonic particles, of sonic quanta. Each of these elementary grains has a threefold nature: duration, frequency, and intensity. All sound, even all continuous sonic variation, is conceived as an assemblage of a large number of elementary adequately disposed in time. (...) Hecatombs of pure sounds are necessary for the creation of a complex sound.

Iannis Xenakis in "Formalized music: Thought and mathematics in composition.", 1963-1992

In opposite to the “classic” file based approach, the crusher-X algorithm provides a floating grain buffer which allows real-time input and output. In this floating buffer the grains are created by several generators routed to several outputs (stereo or surround). One can apply many very unusual parameters to the grains such as Speed, Filter, Pan,  X-Crush, Overdrive or Diffuse  - all modulated with independent modulation sources and modulation phases, synchronized or not synchronized to the plug-in host. The accSone grain processing algorithms X-Crush, Overdrive and Diffuse are unique in the world of granular synthesis. A feedback loop can gerenate very complex and non-linear sounds. 

A complex sound may be imagined as a multi-colored firework in which each point of light appears and instantaneously disappears against a black sky. But in this firework there would be such a quantity of points of light organized in such a way that their rapid and teeming succession would create forms and spirals, slowly unfolding, or conversely, brief explosions setting the whole sky aflame. A line of light would be created by a sufficiently large multitude of points appearing and disappearing instantaneously.

Iannis Xenakis in "Formalized music: Thought and mathematics in composition.", 1963-1992

Now its up to you! Try the free demo and dive in...



crusher-X for sounddesign and film scores

crusher-X is the secret weapon for sound designers. Giving birth to unusual, uncategorized, never heard sounds flow, grain walls, drone walls, sonic explorations – that’s why granular synthesis exists. crusher-X unique multichannel surround sound feature is designed to make film scores outstanding. The “inner consistency” of grains that are modulated and smeared in phase and frequency over 10 surround output channels is the reason why composers are using crusher-X for their next level score.



Enhance your style with crusher-X

You are a DJ and looking for an unconventional, exceptional and stylish live effect tool? You feel bored about the standard echo, filter and fading effects? Try free demo and beam your show up! Mangle your voice, tracks and transitions like your Ibiza colleagues will never allow themselves.

It's more than sound... it's more than music ... it's the crusher!



crusher your guitar

Add live crusher-X granular synthesis to your guitar play. Guitarist all over the world are using crusher-X as a pathfinder towards the world of experimental sound clouds. As crusher-X runs as an VST or AU effect it can be easily integrated in any Windows or macOS based gear. Plug-in to a new sound world and taste the reflections of hunderts of grains on your delicious play.

Start with the free demo and launch your first grain rocket today!



Windows & Mac