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[[File:Intelly.jpg|thumb|The Mattel Intellivision]]The '''[[gametech:Intellivision|IntelliVisionIntellivision]]''' was a games console produced by Mattel in 1979. Notably, it was more powerful than the [[Atari 2600]], which was released at a similar time, as well as having a voice synthesiser unit known as the Intellivoice, which allowed speech into its games.