fastlib 是一个高效的php开发脚本环境， 封闭了对数据库，图像，URL地址，树形结构 IP查询，简单的MVC结构，RSS生成，文件上传 支持直接生成HTML2.0-XHTML1.1,WML网页 （无需服务器支持WML）,内置多语言(po,mo格式)支持。-fastlib is the development of an efficient php scr ipt environment, Closed the database, image, URL address

Computation of loudness (Zwicker model) according to ISO 532B / DIN 45631 norms. This model is valid for steady sounds. Code based on BASIC program published in the following article: "Program for calculating loudness according to D