Audio Post Production Knowledge Base

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Hot
In terms of comparative loudness, a track that is too hot is too loud.

Loudness
The perceived quality of sound directly correlated to an increase or decrease in amplitude (volume). Loudness is a highly subjective measurement that varies from person to person and is affected by many factors such as frequency, duration and sound pressure levels (SPL). More objective measurements

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