VCD means video Compact Disk which is a compressed image format. VCD is a full-motion, full-screen broadcast video standards developed jointly by electrical manufactures like SONY, Philip, JVC, etc. With its video compressed in MPEG-1 compression way and audio compressed in MPEG-1 layer 2 way, even the trained professionals cannot distinguish the original CD format from CD format after compressing in such way. VCD is widely used in Asia and owing to its features of free code and lower cost, it is sure that it will not be replaced by DVD in a short time.

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 vcd to mkv file, if the VCD file is encoded with VCD1.0 format, it is not necessary to install any additional VCD decoder. If the vcd file is encoded with 1.1 or 2.0 format, please install DVD players such as WinDVD Player or PowerDVD Player, which include the appropriate vcd decoder. VISTA has bundled VCD1.1/2.0 decoder. 

Download MKV Converter which can convert vcd to mkv file. Then please install MKV codecs. Please insert a VCD into the CD/DVD drive, browse the folder MPEGAV on the disk. There are some VCD files named  MUSIC01.DAT, MUSIC02.DAT or AVSEQ01.DAT, AVSEQ02.DAT etc in the folder. Then open a file in the program for vcd to mkv. 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.

M4V is mpeg-4 video. mp4 video sometime use the file extension or *.mp4v. IPod or iTune uses this kind of format. To convert m4v to wmv please install m4v codec. If the file is protected or encrypted, the conversion will fail.

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