What is a DV file?
DV — Digital Video (tape camcorder)
What is it?
DV was the format used by digital tape camcorders throughout the 1990s and 2000s. Its defining trait: a fixed bitrate of roughly 25 megabits per second, regardless of what was being filmed.
One minute of DV footage always takes up about 200 MB, whether the scene is a blank wall or a fireworks display. This consistency, wasteful for storage, was essential for writing data to tape.
History & origin
The DV standard was adopted in 1995 by a consortium of manufacturers, and MiniDV camcorders became fixtures in both households and professional settings for more than a decade.
It faded away with the rise of memory cards, which made tape obsolete and allowed for variable bitrates.
Why it is useful
Consistent quality and light compression make it an excellent starting point for editing.
The format is thoroughly documented and supported by every editing program out there.
Limits & drawbacks
The file size is enormous relative to its resolution, which tops out at standard-definition television quality.
The image is interlaced, which produces unsightly combing artifacts on modern screens unless this is corrected during conversion.
Practical tips
Convert your DV footage to MP4 to preserve and share it: the file size will shrink to a tenth of the original.
Be sure to enable deinterlacing during conversion, or fast motion will show up as jagged, comb-like lines.
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