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ＤＶＤ即ＤｉｇｉｔａｌＶｉｄｅｏＤｉｓｋ，其视频标准依据ＭＰＥＧ２（ＩＳＯ／ＩＥＣ１３８１８２），音频标准依据ＤｏｌｂｙＤｉｇｉｔａｌ（ＤｏｌｂｙＡＣ３）。图像水平清晰度大于５００线，远胜ＶＨＳ（２４０线）、ＶＣＤ（２６０线）和ＬＤ（４２０线）...
DVD that DigitalVideoDisk, the video standard based on MPEG 2 (ISO / IEC13818 2), audio standards based on DolbyDigital (DolbyAC 3). Image horizontal resolution of more than 500 lines, far better than the VHS (240 lines), VCD (260 lines) and LD (420 lines) ...