Miért nem játszanak le VCD lemezeket a mai BD lejátszók, vagy a márkásabb DVD playerek?

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Most DVD players are compatible with VCDs, and VCD-only players are available throughout Asia, and online through many shopping sites. Some older Blu-ray and HD-DVD players also retained support, as do CBHD players as well. However, most Blu-ray players, most vehicle audio with DVD/Blu-ray support, Xbox family, and the Sony PlayStation (2/3/4) cannot play VCDs; this is because while they have backwards playback compatibility with the DVD standard, these player can not read VCD data because the player software does not have support for MPEG-1 video and audio, the player software lacks ability to read MPEG-1 stream in DAT files alongside MPEG-1 stream in standard MPEG, AVI, and Matroska files, or the player lacks ability to read CD-ROM XA discs.