标题: MP3 player of transmission speed chapter [打印本页] 作者: sheng001 时间: 2010-2-4 14:59 标题: MP3 player of transmission speed chapter Now MP3, the vast majority have flash disk function, whether in transferring files or music when the speed is very important. USB 2.0, also known as Hi-Speed USB, its transmission speed of 480Mbps = 60MB / s, in other words, in theory, one second can be transferred 12 5MB size of MP3. As for the IEEE 1394 (FireWire), speed is 400M bps = 50MB / s, one second can be transferred 10 5MB size of MP3. For the 256, 512MB of products, copy the songs require little effort, even GB-level hard disk MP3, would not be too slow. However, the use of USB 1.0, then it is only the speed of 12M bps = 1.5MB / s, to copy a 5MB song has to be 3.3 seconds, really wait until the flowers have to thank, especially in the hard digital mp3 player,here is no How many people have such a good patience.
Before buying, be sure to look at MP3 whether to support USB 2.0, is now available in the market to those in low-priced mp3 player review are about 30-40 kinds of products to support USB 2.0, is generally the newer models. However, not many products would this feature clearly marked on the shell, we can only to find the manuals or packaging, or directly ask dealers, really can not be determined, then the best way is to plug a computer test test, as most motherboards already included USB 2.0 interface, Win XP will be prompted to find the related equipment.