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A technical blunder left owners of Sony DVD players scratching their heads at
Christmas. Those given Sony’s Best of George Michael double CD set found that
one of the two discs would not play on their supposedly CD-compatible DVD
player. The reluctant disc is in the CD Extra format, which stores multimedia
content in addition to standard audio. A PC can play back the multimedia
content, but an ordinary CD player simply ignores the multimedia data.
Unfortunately, Sony’s European DVD players ignore the audio as well. Sony has
now changed the player’s design and is offering a free upgrade to owners of its
DVD players.