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mp3 player help

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Danny2107 | 20:29 Sun 04th Sep 2005 | Science
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Hi, i have purchased a bush 256mb mp3 player, but when i try to put more than 127 songs on it it, it says "cannot copy. the directory or file cannot be created". i have plenty of space left on my memory but i have no idea why this happens. it does this on all songs by the way if that changes anything.
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I am not familiar with this mp3 player but that figure of 127 is very significant to computer scientists - it is the maximum value that can be stored in 7 bits.  It looks very much as if the filing system in your mp3 player is allocating just 1 byte for a file ID and using 7 bits for the value and 1 bit as a parity bit (check bit).  That means that after 127, the directory/catalogue is full and cannot hold information about any more files even if there is still unused space on the device.
If I am correct, then you will just have to accept that you cannot save more than 127 files on your player.
This does sometimes happen with some players, a way round it is to put tracks in folders on the player. You should be able to get 127 folders and then fill these with further sub-folders and tracks.
however, to get 127 songs onto a 256mb device, the songs must either be pretty short, or of low quality.

the manufacturers base the size on the premise that most people will use files of average quality and average length, being 3-4mb each. thus you'd get about 75 songs on the device, and would never encounter this limit.

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