单选

●视频卡的种类较多,在下列有关各种视频卡的功能说明中,错误的是 (47) 。

(47)

  • A.视频采集卡的基本功能是将模拟视频信号取样、量化并转换为数字图像输入到主机    &n
  • bsp;  B.实时视频压缩/解压缩卡除了能进行视频采集以外,还有专门的处理芯片对采集的视频数据进行实时压缩/解压缩处理    
  • C.电视接收卡中有电视信号的接收、调谐电路,故能在PC显示器上收看电视节目    
  • D.目前PC一般都配有视频采集卡
参考答案
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