DV (Digital Video)
Also known as: Digital Video, .dv file, MiniDV, DV codec
DV (Digital Video) is the standard-definition format and codec used by consumer and prosumer camcorders, especially MiniDV tapes, from the late 1990s onward. It uses light intraframe compression, so files are large for their resolution and benefit from conversion to modern codecs.
- Standard-def camcorder format, e.g. MiniDV tapes
- Intraframe compression makes files large
- Convert to MP4 to shrink and modernize
Why DV files are large
DV compresses each frame on its own (intraframe) at a fixed data rate rather than predicting motion between frames the way modern codecs do. That keeps editing simple and quality consistent, but it makes the files big — far larger than a same-length MP4 clip at the same standard-definition resolution.
DV was the format behind MiniDV camcorder tapes, so a lot of family video shot in the 2000s exists as DV files captured from tape.
Archiving DV footage
Old DV captures play in desktop editors and players like VLC. Converting them to MP4 with a modern codec dramatically reduces the file size while keeping the original quality, which makes long-term storage and sharing far easier.