Glen Glenn Sound
Glen Glenn Sound was a sound system company, specializing in original music and music dubbing. The company, originated by Glen Glenn in 1936, had a near-monopoly on sound systems used in the production of movies for five decades.
The Glen Glenn sound company services have since been used on over 20,000 movies and television series. The company was acquired by Todd-AO in 1986 to accurately partner high-definition film and sound together as one package.