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The Wogglebug, produced by Make Noise, is a Eurorack version of the classic Noise source designed by Grant Richter. It is closely related to the Smooth and Stepped Random Generator called "The Source of Uncertainty" from Buchla. The module is split into three different sections, Random Audio, Random CV and Random Clocks. At the bottom is a standard wide-range clock that also has a Speed Modulation input. This clock is the master controller for the Stepped output, which sample and holds in sync with the clock. There is also a button which can be used to trigger the steps manually. The Burst output provides a random gate that is dependent on the other knob locations. In the middle range, the Stepped random and Smooth random are fed the same signal, but in Smooth random, the edges are slewed, providing sloped random rather than stepped. The Woggle effect is a different kind of slew limiter, that also slows down the motion of the randomness but in a different character to the Smooth random. In the Audio section, there is a "Smooth" output, which is a classic Saw VCO that controlled by all other knobs. The Woggle output is a squarewave doing the same thing, while the middle output is a blended waveshape of both of them. Each parameter is voltage controlled, allowing the character of the random to constantly be shifting. Fractal randomness has never been so accessible.