It is American company that develops various copy-protection schemes for audio and video purposes.
Rovi Corporation is a company based in the United States whose patents, products, and technologies include copy protection, software licensing and search recommendation on devices such as set-top boxes, digital video recorders, TVs, and mobile and tablet devices. The company holds over 5,000 issued or pending patents worldwide and is headquartered in Santa Clara, California. Rovi was known as Macrovision Solutions Corporation (Macrovision) until it changed its name in July 2009. Macrovision is the name of a company which manufactures copy-protection systems. 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 and has been expanded to include DVD, VOD (video on demand), PPV (pay per view) and other formats. Macrovision. 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 with virtually every sold pre-recorded VHS tape in the world. RipGuard is a copy protection mechanism developed by Macrovision. Since Content Scrambling System (CSS) on retail DVDs is so easy to circumvent using free widespread software, several methods to discourage making proper copies of DVD-Video content have been devised and put out on the market. MacroVision is a video copy protection method for video playback equipment. First used on VHS tapes, later adapted for DVD's, VCD's and SVCD's.  Macrovision is a company that sells copy protection products. The company's first product was a copy protection system for VHS tapes, which was also known as Macrovision. For a detailed look at that system, read Antti Paarlahti's Macrovision FAQ. Macrovision works by making modifications to the video signal, including: 1  Automatic Gain Control: Macrovision inserts pulses into the vertical blanking signal. 2  Colorstripe: Macrovision creates a rapidly modulated colorburst signal. Macrovision (InstallShield) Software Manager Scheduler is a program which runs in the background of Windows and automatically starts up when your PC boots. It checks for software udpates and automatically downloads and installs them if found.  A company that sells copy protection products. Macrovision Corp. has developed and sold copy protection products for VHS, and later a system for DVDs which prevented the copying of DVDs to VHS. Macrovision also offers copy protection solutions for software license tracking, and copy protection for computer games, as well as others. The video encoding technology found on DVDs is also called Macrovision, named after the company
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what is macrovision