DV is short for Digital Video which means video information recorded in digital data. The digital video format is produced jointly by several famous appliances giants like SONY, PANASONIC, JVC, SHARP, TOSHIBA, CANON, etc. Even if you copy a digital video file for 10000 times, the quality will maintain the same as the original one, so more and more analog videos are stored in DV format(*.dv or *.avi). Besides, the cost of DV is much lower than 35mm film especially during the period of editing. DV is not just applied to film production. Thereíre many different digital video coding methods and files container formats as well as image coding that supports different sizes, quality, resolution, color accuracy and coding function.

MKV is a common video file defined by Matroska Media, a new multimedia package format. The feature of MKV is that it could hold many types of encoded video, audio and subtitles stream.

To convert DV to mkv file, Windows has bundled some DV decoders. You do not need to install other dv decoders. But for some DV formats, you have to install extra dv codecs for conversion. 

Download MKV Converter which can convert DV to mkv file. Then please install MKV codecs. Select a DV file, set some parameters such as DivX or XviD as the video compressor,  Microsoft ADPCM as the audio compressor, adjust the resolution, frame rate etc if necessary.

VCR is Video cassette recorder. VCR plays VHS. VHS means Video Home System. It a kind of Home video Recorder and playing standard developed by JVC in 1976.The standard format comes after the competition between Sony's Betamax format and Philips Video 2000 format. With longer playing time and less complex tape carrier structure and much faster forward and backward speed, VHS seems to be better than Betamax. VHS still takes up major market share in America, but itís been eliminated by VCD and DVD in Asia, and VHS-Compact has been replaced by DV digital video.

To convert VCR to mkv or VHS to mkv, please install a TV tuner card on your computer. Windows Movie Maker captures video to wmv file, then convert them  to mkv.

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