How audio products work.
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Katie Sheppard GNVQ Media Audio unit 5 How audio products work. There are several standard music distribution formats. The MP3 and the compact disc (CD) are the two most common at the moment, but cassette tapes are still around. The Sony Minidisk is another format that Sony has been trying to popularize for many years. A Minidisk looks a lot like a floppy disk but is slightly smaller (7 cm, 2.75 inches square). CDs store 74 minutes of music in a nearly indestructible form and have the advantage of being a digital format, but until fairly recently you could not record on a CD. The Minidisk's main claim to fame is that it is (and always has been) recordable. One easy way to think about a Minidisk is like a floppy disk -- you can record and erase files on a Minidisk just as easily as you can on a floppy disk. The...


