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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WMA (Windows Media Audio) is a collection of multiple sound codecs and their respective coding formats. It was developed by Microsoft in 1999 as part of its Windows Media framework. WMA features up to four codecs, including WMA, WMA Pro, WMA Lossless, and WMA Voice. Each codec has its own distinct function.
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