D2 (video format) Did You Mean D2?

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For other uses of the name D2, see the disambiguation page.

D2 is a professional digital video tape format created by Sony and other manufacturers through a standards group of the Society of Motion Picture and Television Engineers (SMPTE) as a lower-cost alternative to the D1 format. Like D1, D2 video is uncompressed; however, it saves bandwidth and other costs by sampling a fully-encoded NTSC or PAL composite video signal, and storing it directly to magnetic tape, rather than sampling component video. This is known as digital composite.

D2 used 19mm (¾) metal particle tape loaded into three different sized cassettes. PCMncoded audio and timecode are also recorded on the tape. Although the D2 tapes are similar in appearance to the D1 format, they are not interchangeable.

D2 had a relatively brief heyday. As of 2003, only a handful of broadcasters use the D2 format, and even then only to access materials recorded when the format was more popular.

Panasonic's competing composite digital format is known as D3.

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