Annotated edit history of
MiniDisc version 1, including all changes.
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PhilMurray |
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A proprietry recordable media used for music, invented by Sony. |
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They're 7cm x 6.75cm x 0.5cm in size and the disc inside is 64 mm in diameter. They hold 160MB of data and use Sony's compression format ATRAC to store upto 74 minutes of audio. |
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Hi-MD discs (just released) can hold upto 1GB of data and support music in WMA, MP3 and (various flavours of) ATRAC codecs. |