AVCHD was basically that concept: it uses the Blu-ray file structures, formats, and codecs, but stored on a DVD-R(OM). It has the problem that it only works in

AVCHD was basically that concept: it uses the Blu-ray file structures, formats, and codecs, but stored on a DVD-R(OM). It has the problem that it only works in Blu-ray Players, not standard DVD players, so the usefulness of it is drastically diminished.