What happened to MP3? I still don't understand? Don't laugh at me! Doesn’t everyone know everything?

If you have just stepped into the world of digital music MP3, but don’t understand anything, don’t be nervous. Come here, you will understand step by step what exactly MP3 is? Why is it so popular?

Do you know what is the most popular nowadays? If you don’t know this yet, you’re missing out!

MP3 is the abbreviation of a technical term, which is the abbreviation of MPEG-1 Audio Layer-3. I believe everyone is familiar with the term MPEG. It is the abbreviation of Moving Picture Exp-erts Group, which is dynamic image compression. What I mean is that the VCD you see uses MPEG-1 technology, while DVD uses the further MPEG-2 technology. MP3 is a technical branch of MPEG, mainly used to compress sound. 1*** is divided into three levels (Layer), namely Layer-1 (MP1), Layer-2 (MP2), r-Laye3 (MP3). Please refer to the table below for level differences.

Equal level compression ratio sampling rate

Layer-1

1: 4

384kbps

Layer- 2

1:6 to 1:8

256kbps to 192kbps

Layer-3

1:10 to 1:12< /p>

128kbps to 112kbps

MP3 can compress the capacity of sound and other data to less than one-tenth of the original. The storage and exchange of various sound data can be said to be quite convenient, and due to recent years With the popularity of the Internet, information exchange has become more convenient. Therefore, many "enthusiastic people" have compressed popular CD records into mp3 files and uploaded them to the Internet for everyone to download. Therefore, it has played a major role in the record industry. Because consumers who don’t want to buy CDs have to spend a lot of money. However, now more and more “enthusiastic people” are directly uploading the entire album to the Internet. If you use a broadband network to download it, it will be very difficult. You will soon have the latest album; coupled with the popularization of burners, it will not be difficult to burn music CDs