The deflation algorithm used by gzip (also zip and zlib) is a variation of LZ77 (Lempel-Ziv 1977, see reference below). It finds duplicated strings in the input data. The second occurrence of a string is replaced by a pointer to the previous

IA911是一颗OSD产品，与外部MCU配合，可应用于不用类型的显示系统。显示点阵为12*18，内置数字、英文字符、可定制部分中文字符。电路内部集成有上电复位电路可以实现VRAM清零。封装QFN24-IA911 is an OSD product, with the external MCU can be used without the type of display system. 12* 18 dot matrix display, built-in numbers, English ch