Producers often took advantage of the six magnetic soundtracks in 70mm film, and productions shot in 65 mm (or 35 mm and then blown up to 70 mm) would be mixed for stereo, while the 35mm reduction prints would be remixed for mono.
Producers often took advantage of the six magnetic soundtracks in 70mm film. Productions shot in 65 mm (or 35 mm and then blown up to 70 mm) would be mixed for stereo. The 35mm reduction prints would be remixed for mono.