C-Trend (Excerpt)

1974 | 00:09:00 | United States | English | Color | Mono

Collection: Single Titles

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In C-Trend, one of Woody Vasulka's "dialogues with tools," the video raster, or monitor screen, is controlled by the Rutt-Etra Scan Processor, a scan deflection tool designed by Steve Rutt and Bill Etra in 1973. The camera image being modified is urban traffic, whose synchronous sounds are clearly recognizable on the audio track. Two basic modifications of the electronic image are evident: each horizontal line scanned by the electron beam is translated into a live graphic display of voltage, radically reconfiguring the luminance information and the video image, and functioning as a wave form monitor. The shape of the video frame itself, the raster, is also skewed. The deflection coils, which electromagnetically control the electron gun and thus the raster, receive mathematically recoded analog information and reconfigure the normally rectilinear video frame. The "empty spaces" between the altered frames, which appear to drift or roll throughout C-Trend, are the horizontal and vertical blanking intervals between electronic frames.

The original total running time for this piece is 9:00. An excerpt of this title (7:19) is only available on Surveying the First Decade: Volume 2.