Sox是最为著名的Open Source声音文件格式转换工具。已经被广泛移植到Dos、windows、OS2、Sun、Next、Unix、Linux等多个操作系统平台。Sox项目是由Lance Norskog创立的，后来被众多的开发者逐步完善，现在已经能够支持等多种声音文件格式和声音处理效果。基本上常见的声音格式都能够支持。更加有用的是，Sox能够进行声音滤波、采样频率转换，这对那些从事声讯平台开发或维护的朋友非常有用。当然，Sox里面也包括一些DSP算法，有兴趣的朋友可以下载回去研究。Sox可

KPhone is a SIP (Session Initiation Protocol) user agent for Linux, with which you can initiate VoIP (Voice over IP) connections over the Internet. KPhone requires KDE (K Desktop Environment) or at least various libraries from the KDE package. KPhone

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ATAPI - SFF Committee Information Specifications Mt. Fuji Commands for Multimedia Devices Version 7 This document was developed by an industry group known as the Mt. Fuji Group. This group consisted of optical disc drive manufacturers, opera

linux系统下利用meep计算场分布、透射谱等，其中结构分为三角晶格和正方晶格。-Linux system of meep computing field distribution and transmission spectrum, etc., the structure is divided into triangular lattice and square lattice.