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计算机的图像卡含义比较广泛,一般有图像采集卡（图像捕获卡）、图像压缩和解压缩、电视卡和图文电视卡、电视信号编码卡等。随着多媒体的普及,图像解压缩卡的使用越来越广泛。常用的MPEG图像解压缩卡是用来还原按照MPEG标准压缩存放在光盘上的动态图像数据,并在计算机屏幕进行播放,适合于这种卡的光盘种类有VCD、Photo CD、卡拉OK CD等。由于一般VCD的节目多数为电影电视节目,所以常把这种解压缩卡称为“电影卡”、“影碟卡”、“影音回放卡”或“解码卡”。 下面,具体介绍时下流行的三种图像卡。
Computer image card is more broad meaning, there are generally image acquisition card (image capture card), image compression and decompression, TV card and teletext card, TV signal encoding card. With the popularity of multimedia, image decompression cards are used more and more widely. The commonly used MPEG image decompression card is used to restore the dynamic image data compressed and stored on the optical disc according to the MPEG standard and play on the computer screen. The types of optical discs suitable for such a card are VCD, Photo CD, Karaoke CD and the like. Since most VCD programs are usually movie and TV programs, this type of decompression card is often referred to as “movie card,” “video card,” “video playback card,” or “decoding card.” Below, the three popular introduction of the current image card.