• Shapechanger
  • Shapechanger - Side


Shapechanger is our most ambitious analog computing module to date. Designed to take two continuous input voltages representing X and Y points on a display, Shapechanger processes the size, width, height, aspect ratio, symmetry, and curve of a resulting quadrilateral figure. Combined with Navigator for positioning and rotation of the figure, these modules provide a holistic 2D analog graphics engine suitable for direct video synthesis and vector rescanning techniques. A typical use case is to process the horizontal and vertical ramp waveforms generated by Visual Cortex, and receive a 2D shape output. The resulting shape can be modulated and combined with other video and pattern elements to create complex geometries for the final output video.

  • 12 wideband analog multipliers and a dual channel signal path from input to output.

  • Voltage controlled aspect ratio allows morphs from rectangles to square and diamond shapes.

  • Voltage controlled symmetry allows morphs from squares to elongated diamonds and kites.

  • Voltage controlled size performs high gain multiplication for a zooming effect. This is fundamentally different from using a key generator to create a 2D shape, and keeps gamma curve shaping independent from size modulation.

  • Voltage controlled gamma curve allows continuous morphing from star to square to circle.

  • Signal path performs at high frequency, video rate speeds from input to output.

  • AC/DC input coupling switches and inverting level attenuators on all voltage control inputs.

  • Separate mask (flat shape) and gradient (linear shape) outputs provide flexible tools for compositing and colorization.

  • Dedicated H & V outputs for chained processing or vector rescanning techniques.

Additional Information

Weight 12 oz
Dimensions 6 x 4 x 3 in


Mounting Depth

1.75 inches (45 mm)

+12V Power Consumption

220 mA

-12V Power Consumption

220 mA


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