Technisonic Studios

Founded in 1929, it was the largest [citation needed] and oldest production facility in St. Louis, used to shoot feature films and television commercials.

Founded in 1929 by Charles E. "Bud" Harrison as an audio laboratory, Technisonic was originally located in the Central Institute for the Deaf building in mid-town St.

property was sold to a mall developer and Technisonic was moved in 1990 to 500 S. Ewing Ave in St. Louis.

Keen, The Lone Ranger and The Green Hornet were recorded off-air at Technisonic for delayed broadcast.

[6] The 2004 documentary The World’s Greatest Fair, about the 1904 Louisiana Purchase Exposition, was produced by Technisonic Studios.