DV file format
| Extension | .dv |
| Category | video |
| 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 possible. The format was common in both consumer and professional video production but has been largely superseded by more modern formats like HDV and AVCHD. |
| Technical details | The .dv file format, utilized in digital camcorders, is used to store digital video. Its key features include: - Compression: It utilizes intraframe compression for individual frame compression, making accurate editing easier. - Resolution & Aspect Ratio: It provides resolutions of 720 x 576 pixels (PAL) and 720 x 480 pixels (NTSC), mainly supporting a 4:3 aspect ratio with some 16:9 support. - Data Rate: It maintains a constant data rate of 25 Mbps, striking a balance between quality and file size. - Audio: It includes uncompressed 16-bit PCM audio at 48 kHz. - File Size: The file sizes tend to be large due to the high data rate and minimal compression, making them suitable for editing and broadcasting purposes. - Color Sampling: It uses 4:1:1 (NTSC) or 4:2:0 (PAL) color sampling, reducing color information compared to luminance. - Compatibility: It is compatible with various editing software and is often converted for distribution purposes. - Storage Medium: Initially associated with MiniDV tapes, it can be adapted to various digital mediums. - Usage: It is widely utilized in consumer and semi-professional video production. The .dv format holds significance in video editing and production, particularly with digital camcorder footage or archival videos. |