一、前言 当前声卡种类很多,根据它们的运行环境、面向运用领域和使用技术特点,可以划分为两大类:一类以Creative的Sound Blaster(以下缩写为SB)为代表,即声霸卡,最初是运行于DOS环境下,以娱乐、游戏为主要目的,采用DSP技术实现;另一类以Microsoft的Windows Sound System(以下缩写为WSS)为代表,运行于Windows环境下支持多媒体计算机的声效功能,以商业应用为主要目的,没有自己的CPU,采用Codec实现。 I. INTRODUCTION Currently, there are many types of sound cards, which can be divided into two categories according to their operating environment, application areas and technical features: One is represented by Creative Sound Blaster (hereinafter abbreviated as SB) The first is to run in the DOS environment, the main purpose of entertainment, games, using DSP technology to achieve; the other to Microsoft’s Windows Sound System (hereinafter abbreviated as WSS) as the representative, running in Windows environment to support multimedia computer sound effects , To commercial applications as the main purpose, without their own CPU, using Codec.