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Audio Post Production Knowledge Base
Academy Curve
The Academy curve is a standard playback equalization curve for pre-1975 mono, non-Dolby® optical soundtracks. It functions as the second part of a noise reduction scheme that begins by adding a “pre-emphasis” to audio intended for theatrical playback by boosting its high frequencies. When 
Ornament Sound Experiments
The 1932 film Ornament Sound Experiments, created by experimental filmmaker Oskar Fischinger, utilized the optical sound track in a very unique way. Using precise graphical icons in place of the usual waveforms in the soundtrack area of the film, a "synthesized," or "pure" sound, as
Wow
All recorded media are designed to play back at specific, stable rates of speed. If the record or playback speed fluctuates, random variations in the pitch of the program, called wow, will result. Wow is inherent in any mechanical transfer, though in an optimal transfer, it should be so minor as
