| http://www.w3.org/ns/prov#value | - Another disadvantage of the conventional apparatus is that a user cannot determine whether an image signal reproduced by an image signal recording and reproducing system is an image signal reproduced by a conventional SV system, which can be displayed only on a monitor conforming to the existing TV system such as the NTSC or PAL system, or an image signal reproduced by the CHSV system, which can b
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