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Digital video is really a sort of video recording system that works by utilizing a digital, rather than analog, representation of this video sign. This generic term is not to be confused aided by the name DV, which really is a specific variety of digital video. Digital video is most often recorded on tape, then distributed on optical discs, often DVDs. There are exceptions, such as for example camcorders that record right to DVDs, Digital8 camcorders which encode digital video on traditional analog tapes, plus the most recent JVC Everio G camcorders which record digital video on data.

The terms "camera", "video camera", and "camcorder" are utilized interchangeably in this article.

Introduction
Video cameras come in two different image capture platforms: interlaced and scan that is progressive. Interlaced digital cameras record the image in alternating sets of lines: the lines that are odd-numbered scanned, after which the even-numbered lines are scanned, then the odd-numbered lines are scanned again, an such like. One group of odd and sometimes even lines is known as a "field", and a pairing that is consecutive of areas of reverse parity is known as a frame.

A scanning that is progressive video camera records each frame as distinct, with both areas being identical. Therefore, interlaced video captures doubly numerous fields per second as progressive video does whenever both operate during the same range fps. This is certainly among the reasons video features a "hyper-real" look, since it draws a image that is different times per second, instead of film, which records 24 or 25 modern frames per second.
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Storage formats

Encoding
All formats that are current which are the following, are PCM based.

CCIR 601 employed for broadcast stations
MPEG-4 best for online circulation of big videos
MPEG-2 employed for DVDs and Super-VCDs
MPEG-1 used for video CDs
H.261
H.263
H.264 also known as MPEG-4 role 10, or as AVC
Theora standardized but nonetheless in development. used for video on the internet.

Tapes

Betacam SX, Betacam IMX, Digital Betacam
D1, D2, D3, D5, D9 (also referred to as Digital-S)
DV, MiniDV - utilized in most of today's consumer cameras
DVCAM, DVCPRO - used in expert broadcast operations
Digital8 -