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While all VOB files are MPEG program streams, not all MPEG program streams comply with the definition for a VOB file. [32] DVD recorders can use DVD-VR or DVD+VR format instead of DVD-Video. DVD-VR format store multiplexed audiovisual content in VRO containers. [35] [36] VRO file is an equivalent to a collection of DVD-Video VOB files. [37]
Some DVD specifications (e.g. for DVD-Video) are not publicly available and can be obtained only from the DVD Format/Logo Licensing Corporation (DVD FLLC) for a fee of US$5000. [55] [56] Every subscriber must sign a non-disclosure agreement as certain information on the DVD Books is proprietary and confidential. [55]
DVD±R (also DVD+/-R, or "DVD plus/dash R") is a shorthand term for both DVD+R and DVD-R formats. Likewise, the term DVD±RW refers to both rewritable disc types, the DVD+RW and the DVD-RW. DVD±R/W (also written as, DVD±R/RW, DVD±R/±RW, DVD+/-RW, DVD±R(W) and other arbitrary ways) handles all common writable disc types, but not DVD-RAM. [1]
HD Rec is an extension of the HD DVD format for recording HD content on regular red laser DVD-Rs/DVD-RWs using H.264/MPEG-4 AVC compression. [103] It was approved by the DVD Forum on September 12, 2007 [ 104 ] It is comparable to Blu-ray Disc's AVCREC .
Comparison of various optical storage media. This article compares the technical specifications of multiple high-definition formats, including HD DVD and Blu-ray Disc; two mutually incompatible, high-definition optical disc formats that, beginning in 2006, attempted to improve upon and eventually replace the DVD standard.
DVD recordable formats developed some time later: DVD-in late 1997 and DVD+ in 2002. Although DVD was initially intended to prevent a format war in fact one did arise between these two formats. It was resolved with both surviving however: DVD-R predominating for stand-alone DVD recorders and players, and (for computers) most DVD devices being ...
VOB files may be accompanied with IFO and BUP files. These files respectively have .ifo and .bup filename extensions.. IFO (information) files contain all the information a DVD player needs to know about a DVD so that the user can navigate and play all DVD content properly, [12] such as where a chapter starts, where a certain audio or subtitle stream is located, information about menu ...
MPEG-2 video format and Dolby Digital or Digital Theatre System (DTS) audio format stored on a DVD: 2003 DualDisc: One side DVD, one side CD - It's the DualDisc Digital. Multiple formats encoded onto the same disc 2005 HD DVD: An HD DVD Digital. Uses VC-1, H.264/MPEG-4 AVC, or H.262/MPEG-2 Part 2 video formats and Dolby TrueHD, DTS-HD Master ...