翻訳と辞書 |
Mini Disc A music medium designed by {Sony} as a portable replacement for music Compact Discs. In 1994 Sony announced a data version which can hold 140 MB or about 100 MB using error correction. These will be competitive with 128 MB {magneto-optical} disks. Mini Discs may be either a re-writable or mass-produced read-only type. Sony have also announced a standard data format. The transfer rate is similar to CD-ROM which is slow compared to the current {magneto-optical} drives (which are similar to an old hard disk, with writing noticeably slower than reading). Pre-recorded read-only Mini Discs can be mass manufactured on a modified CD press - this and the standard format mean it could take off as a software distribution medium. An article in the December 1994 PCW quotes {access times} of about 300 ms and data transfer rate of about 150 kb/s (i.e. about single spin CD rate). (1994-12-13)
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