Http://www.sina.com.cn 2002/03/11 09:29 Said.com - China Computer Packet / Chen Yu MPEG (Moving Picture Experts Group) The principle of audio compression is simple, first of all, using coding technology, Re-encoding the source file (more WAVE format), followed by data reduction, delete the insensory part of human hearing, thereby achieving the purpose of narrowing the size of the file. Like all compressed formats, MPEG can also cause the distortion of sound, so as needed, people have defined different compression ratios, which is the origin of the MPEG compression format.
