用英文介绍一种电子产品

What is MP3 MP3 full name is Moving Picture Experts Group , Audio Layer III one , technology used by it is third generation developing out on compression technology in VCD (MPEG-1) VF , but not MPEG-3. MP3 is one kind of the international technical norms that VF compresses , start from 1980 age medium term (1987), before Germany Erlangen Fraunhofer research institute begin code studying the sound concentrating efforts on height mass , low data rates. Be in DietUnder Seitzer help of Germany professor of university, 1989, Fraunhofer patent being obtained
permission to have got MP3 in Germany, the quilt submits almost annual last this technology to
International Standards Organization (ISO) , integrates to have entered the MPEG-1 standard. The
MPEG sound standard provides independent three compression arrangement of ideas: 1 tier of (1, tier
of Layer) 2 (Layer 2) composes in reply 3 tier of (Layer 3), the consumer may be on the march
between complexity and