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(Original Caption) Chicago: Model Chris Payne displays Sony Corporation's new generation in recorded music, the Compact Digital Audio Disc and the Digital Compact Disc Player which are being shown to the trade at the Consumer Electronics Show through June 3. The tiny disc, (L) measures only 4.7 inches in diameter yet contains one hour of incredible high fidelity music on one side. The disc stores recorded music in the form of binary computer language which is "read" by a solid state laser beam and converted into music by an extremely sophisticated integrated circuit. The disc cannot be damaged by dust or fingerprints and never wears out since it is not touched by the pickup. The system will be marketed in the U.S. in the fall of 1982.