Cassette to CD

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  • Common news and technology families include CD, DVD, and Blu-ray Disc

  • Standalone, non-computer, optical storage devices also exist, for example crowd-pleaser CD players, DVD players, and some DVD recorders, but those are not covered in this article.

Double layer (DL) information media have two independent data layers separated by a semi-reflective layer. Both layers are accessible from the same side, but need the optics to spending money the laser's focus. Traditional single layer (SL) writable Cassette to CD communications are produced with a spiral groove molded in the protective polycarbonate layer (not in the data recording layer), to bulge and synchronize the speed of recording head.