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Videodisc (or video disc) is a general term for a laser- or stylus-readable random-access disc that contains both audio and analog video signals recorded in an analog form. Typically, it is a reference to any such media that predates the mainstream popularity of the DVD format.
An audio format is a medium for sound recording and reproduction.The term is applied to both the physical recording media and the recording formats of the audio content—in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data.
HD DVD: An HD DVD Digital. Uses VC-1, H.264/MPEG-4 AVC, or H.262/MPEG-2 Part 2 video formats and Dolby TrueHD, DTS-HD Master Audio audio formats 2006 Blu-ray Disc: Blu-Ray discs and their containers Digital. Dolby TrueHD, DTS-HD Master Audio: 2008 slotMusic: A SlotMusic microSD card: an early attempt to sell pre-recorded music on an SD card ...
MovieCD is a format for digital video storage and consumer home video playback released in 1996 by Sirius Publishing, and was rendered obsolete by the wider distribution of DVD. It used a video codec called MotionPixels, marketed by MotionPixels, Inc., a subsidiary of Sirius Publishing (founded by Darrel Smith and Richard Gnant).
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
Early devices supporting Video CD playback include the Philips CD-i systems and the Amiga CD-32 (albeit via an optional decoder card). [9] Disc playback is also available both natively and as an option on some CD- and DVD-based video game consoles, including the original PlayStation (only on the SCPH-5903 model).
It was resolved with both surviving however: DVD-R predominating for stand-alone DVD recorders and players, and (for computers) most DVD devices being engineered as dual format, to be compatible with both. As of 2007 DVD is the de facto standard for pre-recorded movies, and popular storage of data beyond the capacity of CD.
However, these DVD recorders can still record analog audio and analog video. Standalone DVD recorders, alongside Blu-ray recorders, have been relatively scarce in the United States due largely to "restrictions on video recording" and piracy concerns. [2] [3] The first DVD recorders appeared on the market in 1999–2000. [4] [5]