MP3的全称是 Moving Picture Ex-perts Group,Audio Layer Ⅲ,它是一种音频压缩的国际技术标准,始于1987年。在 MP3标准出来后,由于基于 MP3格式的音频文件的突出优点是:压缩比高,音质较好,制作简单,交流方便,故其在网络上迅速流行起来。随着网络的发展和 MP3格式音频文件的大量丰富,基于这种音频文件的硬件播放器MP3随身听产品(以下简称 MP3产品) MP3 full name is Moving Picture Ex-perts Group, Audio Layer III, it is an international technical standard audio compression, began in 1987. After the MP3 standard comes out, due to the prominent advantages of the audio file based on the MP3 format are: high compression ratio, better sound quality, simple manufacture and convenient communication, so that it is rapidly popularized on the network. With the development of the network and a large number of MP3 format audio files rich, based on this audio file hardware player MP3 Walkman products (hereinafter referred to as MP3 products)