The Analog Protection System (APS), also known as Analog Copy Protection (ACP), Copyguard or Macrovision, [1] is a VHS [2] and DVD copy protection system originally developed by the …

Macrovision is a copy-protection system from the company Macrovision Solutions Corporation, first used on the 1985 VHS/Betamax/LaserDisc of The Cotton Club. On July 16, 2009, the company changed …

Dec 14, 2021 · The KS_COPY_MACROVISION property indicates the level of Macrovision encoding on the media (levels 0 to 3). The decoder may use this information to enable or disable Macrovision …

How do VHS tapes prevent you from bootlegging a copy of a movie? Find out how Macrovision works.

The name "Macrovision" is commonly used to refer to the product which is officially called "Macrovision Video Copy Protection". The original Macrovision copy protection system was developed for VHS …

Although Macrovision video copy protection has existed for nearly 15 years, it wasn't until the recent acceptance of DVD in mainstream consumer markets that its existence was felt at all.

Jan 23, 2024 · Macrovision is a copy protection signal ‘planted’ in a VHS tape or DVD. It is used to ‘disrupt’ the copying of a prerecorded commercial VHS tape or DVD to another tape or DVD.

Aug 4, 2025 · 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.

The Analog Protection System (APS), also known as Analog Copy Protection (ACP), Copyguard or Macrovision, was the Macrovision Corporation's flagship product, a copy protection system for both …

Macrovision is American company that develops various copy-protection schemes for audio and video purposes. The company is best known for their copy-protection mechanism for VHS tapes bundled …