DVR-MS, also called Microsoft Digital Video Recording, is a digital audio and video file container format introduced by Microsoft in 2004. It features a .dvr.ms filename extension and is used to save TV data recorded using Windows 7, Windows Vista, and Windows XP Media Center Edition. It stores both audio and video data wrapped inside an ASF container.
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MP3 is a standard audio format developed by Moving Picture Experts Group and uses MPEG-1 and MPEG-2 standardizations. MP3 uses lossy data compression, meaning that it loses quality over time. This sound format comes with a .mp3 filename extension and is today the most common audio format on websites and multimedia players.
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