mp3和mp4制作的原理图。包含C语言程序-mp3 and mp4 produced schematic. Contains the C language program

一款MP4程序和原理图，是深圳一家大公司开发的。是一位在公司内的工程师偷出来的-MP4 procedures and a schematic diagram, is the development of a large company in Shenzhen. Is an engineer in the company to steal out of