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Most DVD video recorders in the market that support DVD-R, DVD-RW, or DVD-RAM media record to these media in DVD-VR mode, as well as in a DVD-Video compliant mode. It is possible to use the DVD-VR format with DVD+R and DVD+RW media, but no examples are known other than some PC based recording utilities. The standard was introduced in 1999 by ...
VR mode or Video Recording mode is a feature on stand-alone consumer and computer DVD recorders that allows video recording and editing on a DVD rewritable disc. In VR mode, users can create and rename titles for the scenes. Also, if a scene is deleted, the space allocated by it will be utilized later without the need of reformatting a disc.
The DVD+VR standard defines a logical format for DVD-Video compliant recording on optical discs. It is intended to be used on DVD+R and DVD+RW media. Most DVD video recorders in the market that support these two types of media also use the DVD+VR format for recording video on them.
FFmpeg is a free and open-source software project consisting of a suite of libraries and programs for handling video, audio, and other multimedia files and streams. At its core is the command-line ffmpeg tool itself, designed for processing video and audio files.
This format is used by DVD-Video discs. Revision 1.50 [9] (4 February 1997). Added support for CD-R/W Packet Writing and (virtual) rewritability on CD-R/DVD-R media by introducing the Virtual Allocation Table (VAT) structure. Added sparing tables for defect management on rewritable media such as CD-RW, and DVD-RW and DVD+RW. Add UDF bridge.
Several versions of the same feature can be sent together. The original version (OV) is used as the basis of all the other playback options. Version files (VF) may have a different sound format (e.g. 7.1 as opposed to 5.1 surround sound) or subtitles. 2D and 3D versions are often distributed on the same hard drive.
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The HD DVD format, promoted by Toshiba, was backed by the DVD Forum, which voted to make it the official successor to DVD. Opposing HD DVD was the Blu-ray format, led by the Blu-ray Disc Association, which shares many members with the DVD forum. With HD DVD launched in March 2006 and Blu-ray launched in June of the same year, a format war started.