Mini Disc

(storage, music)A music medium designed by Sony as aportable replacement for music Compact Discs. In 1994 Sonyannounced a data version which can hold 140 MB or about 100 MBusing error correction. These will be competitive with 128MB magneto-optical disks. Mini Discs may be either are-writable or mass-produced read-only type. Sony have alsoannounced a standard data format.

The transfer rate is similar to CD-ROM which is slowcompared to the current magneto-optical drives (which aresimilar to an old hard disk, with writing noticeably slowerthan reading). Pre-recorded read-only Mini Discs can be massmanufactured on a modified CD press - this and the standardformat mean it could take off as a software distributionmedium.

An article in the December 1994 PCW quotes access times ofabout 300 ms and data transfer rate of about 150 kb/s (i.e.about single spin CD rate).

单词	mini disc
释义	DictionarySeeminidisc Mini Disc Mini Disc (storage, music)A music medium designed by Sony as aportable replacement for music Compact Discs. In 1994 Sonyannounced a data version which can hold 140 MB or about 100 MBusing error correction. These will be competitive with 128MB magneto-optical disks. Mini Discs may be either are-writable or mass-produced read-only type. Sony have alsoannounced a standard data format. The transfer rate is similar to CD-ROM which is slowcompared to the current magneto-optical drives (which aresimilar to an old hard disk, with writing noticeably slowerthan reading). Pre-recorded read-only Mini Discs can be massmanufactured on a modified CD press - this and the standardformat mean it could take off as a software distributionmedium. An article in the December 1994 PCW quotes access times ofabout 300 ms and data transfer rate of about 150 kb/s (i.e.about single spin CD rate). AcronymsSeemailed
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