Audio Post Production Knowledge Base

Today's Audio Term: Clash Clash is a peak distortion...

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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

Trigger Tone
A trigger tone is a 12kHz sine wave that was used to "trigger," or turn on, the surround channel of a discrete LCRS (Left channel, Center channel, Right channel, Surround channel) Cinemascope™ print. Early LCRS surround mixes for Cinemascope films contained very little surround

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