Macrovision Quality Protection: Revision history

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4 August 2025

  • curprev 10:1110:11, 4 August 2025 Admin talk contribs 2,148 bytes +2,148 Created page with "== Macrovision Quality Protection == '''Macrovision Quality Protection''' was a widely used analog copy protection system employed on VHS tapes and early DVDs, particularly during the late 20th century and early 2000s. It was designed to prevent unauthorized duplication by interfering with the automatic gain control circuitry in VCRs, resulting in distorted video playback during copies. === Usage on ''Quincy, M.E.'' Home Releases === Episodes of ''Quincy, M.E.'' relea..."
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