Description

This article is from the rec.arts.movies.tech FAQ, by Scott E. Norwood snorwood@nyx.nyx.net with numerous contributions by others.

7.5.1 Television Films (videotape formats for film post- production)

High-end productions often use the new digital videotape formats,
which, when used with digital switchers and edit controllers, are
capable of being dubbed many times, without sustaining any significant
`generation loss' of picture or sound quality (what loss occurs is a
result of the compression and decompression of the image as it goes
through the various stages of production). These formats include: D1,
D2, D3, and Digital Beta. The use of these formats is mostly confined
to productions which will end up on television, and thus demand the
high quality that they offer.

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