At one time, the appearance of the first laser discs was like a revolution. It really was a real revolution in the field of storage devices . The appearance of the first laser discs conditionally divided the stages of development of computer technology into “before” and “after” compact discs.
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- As vice president of Sony, Norio Oga believed that the disc should fully accommodate Beethoven’s ninth symphony (74 minutes of sound), which translated into digital data yielded 650 MB.
- In 1980, the companies finally approved the size of the compact disc, which is 12 cm.
- Since 2000, 700 MB (80 minutes) of the species almost completely replaced its 650 MB counterparts. Soon 800 and even 900 MB disks appeared, but they did not receive mass distribution.