对于象Snappy这样的从视频快速捕获图像的产品,它只作为PC的外部捕获工具,而不是一个视频捕获外设。Snappy可以从不同的视源上捕获单帧图像,如小摄像机、电视,以及录像机等等。 Snappy的一个特点是,它可以连在机器的并口上,这就意味着您无须打开机器来安装它,也不必和交错复杂的IRQ、DMA以及内存地址混合在一起。这个小盒子的尺寸只相当于电视遥控器那么大,它固化 For products like Snappy that capture images quickly from video, it acts as an external capture tool to the PC, not as a video capture peripheral. Snappy captures single-frame images from a variety of sources, such as camcorders, TVs, VCRs, and more. One feature of Snappy is that it can be attached to the machine’s parallel port, which means you do not have to turn on the machine to install it, nor do you have to mix in with complex IRQs, DMAs, and memory addresses. The size of this little box is just as big as the TV remote and it solidifies