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compact discclick to hear

Digital recording medium with multiple formats (including video and audio) and variable storage capacity.
compact disc reading start pressed area technical identification band

reading start click to hear

The track on the pressed surface is made up of a series of pits and asperities; a laser beam reads the groove from the inside out.

pressed area click to hear

Surface that contains the recording; it is coded on a spiral groove pressed into the disc.

technical identification band click to hear

Surface on which the disc’s identification code is engraved.