Many noise reduction and equalization techniques were also used on 70mm magnetic-recorded film. Dolby Stereo was later renamed the Dolby analog format. See Dolby Surround and Dolby Digital.

70mm, Atmos, and Audio-Obsessive Cinema" screening series ... "eye-popping 70mm prints, thunderous Dolby Atmos, and cinema worth celebrating." The series kicks off on Friday, August 23 and ...