The Emotion Engine is a central processing unit developed and manufactured by Sony Computer Entertainment and Toshiba for use in the PlayStation 2 video game console. It was also used in early PlayStation 3 models sold in Japan and North America to provide PlayStation 2 game support. Mass production of the Emotion Engine began in 1999 and ended in late 2012 with the discontinuation of the PlayStation 2.

Sony Interactive Entertainment LLC (SIE) is an American multinational video game and digital entertainment company of Sony. Jointly established by two subsidiaries in 2016, it primarily operates the PlayStation brand of video game consoles and products. It is also the world's largest company in the video game industry based on its equity investments.