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Noisefields (1974)
The Video ''Noisefields'' (1974) by Steina and Woody Vasulka is an important example of early formal and technical experimentation with analog video.〔(【引用サイトリンク】url=http://www.eai.org/title.htm?id=13756 )〕 The video runs for twelve minutes and five seconds and materially visualizes the deflected energy of the electronic signal.〔 The video switches between two sources throughout, which creates a flickering effect. The imagery is based on the deflection of electronic signals, and a colorizer is used to add color variation. In the video, a circular form materializes on the screen and presents a division between inner and outer. A pulsation between the two is sustained throughout.〔
==The Signal==
The Vasulkas were among the first video artists to experiment with the signal, and the potential to delay its feedback or multiply waveforms to create new imagery.〔 Their approach directly intervened with the directional movement of the signal. They wanted to transform line configurations by shifting the direction of the signal's constant horizontal and vertical flow.〔 This interrupted the simultaneous feedback of image and sound signal and delivered deviated image from the raster image, a new three-dimensional shape or form.〔 ''Noisefields'' focuses on the deconstruction of the video signal, as it visualizes the signal's immaterial energy.〔 The deconstruction of signal in the video produces an image wherein the diverse variation of form relies on the variability and modulation of frequency detected by the signal.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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