What is DVR-MS$%: DVR-MS, a kind of media file format like WMV, is created by XP Media Center PCs. It uses the MPEG-2 standard Compression for video with some 'extras' like certain copy protections and so forth and audio compresses using MPEG-1 layer II. In general, DVR-MS file with DRM only allows it to be played on the machine that recorded it. However, DVR-MS file without DRM may be played back on any machine with Windows XP SP1 and above as long as Windows Media Player is version 9 with hotfix 810243 applied.
DVR-MS files are very large due to the nature of trying to capture high resolution video (About 3.20 GB for 1 hour video). What everybody wants to do is to compress/convert/burn dvr-ms file. There are several third-party programs to do it, but I think that AVS Video tools from is the best through a series of testing. The software can convert, split, join, remove commercials, copy, burn, and edit DVR-MS file to almost all video and audio formats like AVI, MP4, DVD (playable on a stand-alone DVD Player), WMV, MOV, 3GP, MPEG, SWF, RM, etc, so you can enjoy movie and music anytime anywhere. All key formats are supported by AVS Video tools: AVI (DivX, XviD, etc.), DV AVI, MP4 (inc. Sony PSP and Apple iPod), WMV, 3GP, 3G2, QuickTime (MOV, QT), SWF, DVD, VOB, VRO, MPG, MPEG 1,2,4, DAT, VCD, SVCD, ASF, MJPEG, H.263, H.264, Real Video (RM, RMVB), DVR-MS. AVS Video Tools don't support Mac, but you can use freeware MPlayer to convert DVR-MS file.
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