Audio Post Production Knowledge Base

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Cross-fade
A cross-fade is used to blend one piece of audio into another. During a cross-fade, the volume of the tail of one piece of audio gradually decreases, while the volume of the start of the next piece of audio gradually increases.

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

EQ Shift
EQ, or equalization, is the application of a boost or cut to specific frequencies in audio program. The term “EQ shift,” as used in a QC log or report, refers to a sudden audible change in the frequency content of a program. Take, for example, a film in which two characters are having a