Higher the bit-rate comes with the larger the file size and better quality. VOB is simply the container format where the MPEG-2 video and A/52 audio streams are contained.įinally, the output file size on your MPEG-2 files is completely dependent on the bit-rate that you use when you encode them. It contains important navigational information, such as where a video chapter begins, and where audio and subtitle streams exist within the movie (VOB) file. An IFO file is one of three types of files that are used on DVDs. In order to maintain compatibility with all DVD players, DVD disc will use an IFO file to hold the proper file structure. It is the compression type with quite clean video and audio reproduction and playback, and widely used around the world. The most standard DVD formats is MPEG-2 format, which is also called H.222 or H.262.
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