Enhanced CD, also known as CD Extra and CD Plus, is a certification mark of the Recording Industry Association of America for various technologies that combine audio and computer data for use in both Compact Disc and CD-ROM players.
The primary data formats for enhanced CDs are mixed mode (Yellow Book/Red Book), CD-i, hidden track, and multisession (Blue Book).
The technology was popular in the late 1990s with the increase of computer usage. Music CDs often included music videos, wallpapers, and other various content. However, more recently, acts wishing to include enhanced content often include a DVD instead, with the advantage of it playing in both a computer's DVD-ROM drive and in a standard DVD player.
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Famous quotes containing the word enhanced:
“Art is beauty, and every exposition of art, whether it be music, painting, or the drama, should be subservient to that one great end. As long as nature is a means to the attainment of beauty, so-called realism is necessary and permissable [sic], but it must be realism enhanced by idealism and uplifted by the spirit of an inner life or purpose.”
—Julia Marlowe (1866–1950)