D-2 (video)
Professional digital videocassette format / From Wikipedia, the free encyclopedia
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For other uses, see D2.
D-2 is a professional digital videocassette format created by Ampex and introduced in 1988[1] at the NAB Show as a composite video alternative to the component video D-1 format. It garnered Ampex a technical Emmy in 1989.[1] Like D-1, D-2 stores uncompressed digital video on a tape cassette; however, it stores a composite video signal, rather than component video as with D-1. While component video is superior for advanced editing, especially when chroma key effects are used, composite video was more compatible with most analog facilities existing at the time.
Quick Facts Media type, Encoding ...
Media type | Magnetic Tape |
---|---|
Encoding | digital composite video |
Read mechanism | Helical scan |
Write mechanism | Helical scan |
Standard | interlaced (NTSC, PAL) |
Developed by | Ampex/Sony |
Usage | Video production |
Released | 1988 |
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