Why does it say the sfp-150 can hold up to 4 hours of play time but my player only holds 2 hours or 3 hours, etc?
The amount of hours in music that you can put on the player is dependent on the encoding scheme you use. MP3s are different from WMAs and if encoded in different ways will result in different hours of music being able to be loaded onto each player. If one song is 3 min long, but it’s encoded with such high quality that it takes up the space of the entire player, then the total music on the player will only be 3 min. But if that same song is encoded with lower quality such that it only takes up half of the space on the player, then you could put 2 of those songs on the player, resulting in 6 min of music. Of course these figures are a dramatization, but the idea is that the higher quality songs will take up more space and result in less capacity for other songs on the player which results in less music time to be played. Check out the next question on more of an explanation of how encoding schemes and quality effect play time.
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