It is an implementation of the guidelines set by the regulator Ofcom in the UK largely based on the findings by Graham Harding, a professor at Aston University.
It is available in both tape-based and file-based versions, allowing video streams from SDI, composite, component, HDMI, and files to all be analysed, in resolutions up to 8k.
[citation needed] In 1993, an advert for Pot Noodles induced seizures in three people in the United Kingdom, leading to the then regulator the ITC introducing these guidelines.
PSE testing is also used in Japan, particularly for anime content on both broadcast TV and online streaming platforms, following the Pokémon Shock incident in 1997.
This provided a much-needed service for freelance editors and production companies who previously had to export their movie to video tape to send to a larger post-production facility for testing, all of which increased time and expense.