Ainsworth began his video playback career as an employee of Video Image in the early 1990s. During his tenure, he worked on such films as Gattaca (featuring Elizabeth Dennehy),Face/Off (featuring John Carroll Lynch and Harve Presnell), Con Air (starring Colm Meaney), Turbulance (featuring Ben Cross, Catherine Hicks, Scott Lawrence, and James MacDonald), Down Periscope (starring Kelsey Grammer), The Rock (featuring David Bowe, Raymond Cruz, Willie Garson, Marshall Teague, Tony Todd, and Tom Towles), Speed (featuring Carlos Carrasco, Richard Lineback, Jordan Lund, and Alan Ruck) and Paramount's Clear and Present Danger (featuring Vaughn Armstrong, Reg E. Cathey, Raymond Cruz, Elizabeth Dennehy, Ellen Geer, Aaron Lustig, John Putch, Cameron Thor, and Harris Yulin).