10. A video signal recording apparatus for recording a video signal to a recording medium, comprising: a metadata generating block for generating metadata associated with said video signal by writing said metadata in a predetermined language; a metadata notation format conversion block for converting at least a notation format of said generated metadata into a notation format compatible with a video signal reproduction apparatus for reproducing said video signal recorded to said recording medium, on the basis of one or more conversion tables prepared in advance; and a video signal recording block for recording said metadata whose notation format has been converted and said video signal in a related manner so as to allow said video signal reproduction apparatus to control processing associated with said video signal on the basis of said metadata, wherein the conversion table includes predetermined conversion information to convert a tag in the notation format in the predetermined language into a tag in the notation format compatible with the video signal processing apparatus, and wherein when the conversion table has no corresponding definition for the tag in the notation format in the predetermined language, a conversion of the tag in the notation format in the predetermined language generates a converted tag that includes a prefix representing the predetermined language and a name space of the tag.
12. The video signal recording apparatus according to claim 10 , wherein said recording medium is an optical disk.