Saturday 24 October 2009

test pattern / ryoji ikeda



test pattern is a system that converts any type of data (text, sounds, photos and movies) into barcode patterns and binary patterns of 0s and 1s. Through its application, the project aims to examine the relationship between critical points of device performance and the threshold of human perception. In this first edition of the project, an audiovisual installation, test pattern involves a sequence of tests for machines and humans, comprising visual patterns converted and generated from sound waveforms in real–time. The installation comprises 8 computer monitors and 16 loudspeakers aligned on the floor in a dark space. The 8 rectangular surfaces of the screens flicker intensely with black and white images, floating and convulsing in the darkness. 16–channel sound signals are mapped as a grid matrix, passing and slicing the space sharply. Via a real–time computer program, the signal patterns are converted into 8 barcode patterns, which are tightly synchronized. The velocity of the moving images is ultra–fast, some hundreds of frames per second at certain points, providing a performance test for the devices and a response test for visitors' perceptions.



organisational strips


component 1


component 2


component 3




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