Video manipulation have been instances when this technology was used during political campaigns. The proof-of-principle software "Face2Face" was developed at Stanford University. Such advanced video manipulation must be ranked alongside and beyond previous examples of deep fakes. The concept of manipulating video can be traced back as far as the 1950s, when the 2 inch Quadruplex tape used in videotape recorders would be manually cut and spliced. After being coated with ferrofluid, the two ends of tape that were to be joined were painted with a mixture of iron filings and carbon tetrachloride, a toxic and carcinogenic compound to make the tracks
Video tape recorder was believed that if the tape was run at a very high speed it could provide the necessary bandwidth to record the video signal. The problem was that a video signal has a much wider bandwidth than an audio signal does (6 MHz vs 20 kHz), requiring extremely high tape speeds to record it. However, there was another problem. The magnetic head design would not permit bandwidths over 1 meghertz to be recorded regardless of the tape speed. The first efforts at video recording, using recorders similar to audio recorders with fixed heads, were unsuccessful. The first such demonstration of