视频卡

• After being buffered , read by blocks and plus - width - modulating ( also called pwm ) , the digital video signal will be converted into scanning signal for color moving picture and then be outputted to the display board
  系统将多媒体视频卡输出的数字视频信号进行数据缓存、分块读取和脉宽调制等处理，形成符合显示板结构的彩色运动图像扫描信号，输出到显示板。