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MiniDisc (MD) is an erasable magneto-optical disc-based data storage format offering a capacity of 60, 74, and later, 80 minutes of digitized audio. Sony announced the MiniDisc in September 1992 and released it in November [2] of that year for sale in Japan and in December in Europe, North America, and other countries. [3]
As of August 2021, Sony continues to manufacture one type of blank MiniDisc available only in Japan; the rest of the world only has access to dwindling new stock from vendors on sites such as eBay or Amazon. TEAC & TASCAM continued to manufacture MiniDisc decks up until 2020 while Sony ceased production of hardware in 2013. [10] [11]
Sony expanded MiniDisc's possibilities with the introduction of NetMD (NetworkMD). These allowed the use of a PC to convert music from CDs or MP3s into ATRAC3 format, and use a USB cable to transfer the music to the MiniDisc at a much faster rate than was possible when using a line-in cable. The MZ-N10 was released in 2002.
Adaptive Transform Acoustic Coding (ATRAC) is a family of proprietary audio compression algorithms developed by Sony. MiniDisc was the first commercial product to incorporate ATRAC, in 1992. ATRAC allowed a relatively small disc like MiniDisc to have the same running time as CD while storing audio information with minimal perceptible loss in ...
According to the official ECMA specification Sony designed the UMD to support two possible future enhancements and products. [2] Protective Shutter: Similar to the MiniDisc and 3 1 ⁄ 2-inch floppy disk, this protective shutter would shield the inner disc from accidental contact.
Minidisk, Mini Disk, MiniDisc, Mini Disc or similar may refer to: MiniDisc, a magneto-optical disc-based music and data storage format developed by Sony; Minidisk (CMS), a minidisk formatted for use by the CMS operating system under CP-67 or VM; Minidisk (floppy), 5.25-inch floppy diskette type
MiniDisc : MD Data, MD Data2; ... Some 4:3 sets (such as the Sony WEGA series) could be set to unsqueeze the image. ... LaserDisc Player Formats and Features on eBay ...
MD Data is a type of magneto-optical medium derived from MiniDisc. [1] In developing and marketing it, Sony was trying to set the new standard for removable media to replace the 3½-inch diskette it had also helped create.