Here Heiko Idensen have done some experiments in the domain of speech and image processing.
Size: 59,5 × 126 cm
It exists also as a serie of 12 x DIN A4 pieces.
The image is produced with special software: Degas, Neochrome, Gem-Draw, Egsy-Draw.
Prints & Plots. Computerkunst 86, p. 29