Audio Post Production Knowledge Base

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

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Vinegar Syndrome
Vinegar Syndrome is an indicator of a complex chemical process caused by the decomposition of the acetate film base of certain types of mags and audiotapes. Over time, this deterioration process yields acetic acid (or vinegar) as a pungent byproduct, giving this syndrome its distinctive odor and

Amplitude
A sound wave moving through the atmosphere pushes air. As the air in front of the wave gets compressed, the air pressure goes up. The magnitude of change in the air pressure from that sound wave is its amplitude. The bigger its amplitude, the louder the wave will sound.

Sync-pop
A sync-pop is a 1kHz tone that is exactly one film frame in duration, used for matching picture and sound negatives together. The sync-pop must occur exactly two seconds (or three feet) before the first frame of picture (FFOP) in a film reel. If the picture negative contains a standard Academy