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DV file format

Extension.dv
Categoryvideo
Description.dv (Digital Video) The .dv file format is a digital video format used for storing video recorded by digital camcorders. DV uses intraframe compression to maximize quality with a relatively low data rate, making it suitable for editing and manipulating video. DV files are typically large since they are meant to preserve as much detail as possibleThe format was common in both consumer and professional video production but has been largely superseded by more modern formats like HDV and AVCHD.
Technical detailsThe .dv file format, used in digital camcorders, stores digital video. Key features include: - Compression: Uses intraframe compression for independent frame compression, facilitating accurate editing. - Resolution & Aspect Ratio: Offers 720 x 576 pixels (PAL) and 720 x 480 pixels (NTSC) resolutions, mainly supporting a 4:3 aspect ratio with some 16:9 support. - Data Rate: Maintains a constant 25 Mbps data rate, balancing quality with file size. - Audio: Includes uncompressed 16-bit PCM audio at 48 kHz. - File Size: Large due to high data rate and minimal compression, suitable for editing and broadcast. - Color Sampling: Employs 4:1:1 (NTSC) or 4:2:0 (PAL) color sampling, reducing color information compared to luminance. - Compatibility: Compatible with various editing software, often converted for distribution. - Storage Medium: Originally linked with MiniDV tapes, adaptable to various digital mediums. - Usage: Widely used in consumer and semi-professional video production. The .dv format is significant for video editing and production, especially involving digital camcorder footage or archival videos.