Audio Post Production Knowledge Base

Today's Audio Term: Matrix When audio engineers matrix...

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Phasing
Phasing is a steady or variable cancellation of frequencies created when two copies of identical program material are combined with very small variations in timing. The timing variations that cause phasing are up to approximately 1/2 a video frame apart. When the timing variation between the

Azimuth Errors
Azimuth is the vertical alignment in the plane of the tape path along the record and playback heads of a tape machine or mag dubber. Azimuth issues are timing issues due to the alignment of the tape against the head. Before recording or playing back tape or film, azimuth adjustment is applied

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