The Japanese government has added Blu-ray Discs and Blu-ray Disc recorders to the list of products subject to private-copying levies.

But copyright groups such as JASRAC and the RIAJ have expressed concern over the future of the copying-levy system, which has recently come under scrutiny due to proposals for a so-called "iPod tax."

Industry observers suggest a showdown is looming between electronics makers and copyright groups over this issue.