Foresight Imaging, Chelmsford, MA, offers the AccuStream Express HD+™ frame grabber and video streamer, featuring a high performance PCI Express x4 board design. The device acquires video from non-standard and standard video formats including HDMI video, DVI-D, RGBHV, YPbPr, HDTV, S-video, composite color, and monochrome video sources up to 170 MHz pixel rates. It is specifically designed for the high speed PCIe x4 bus and delivers sustained data transfers of 750 MB per second. The AccuStream Express HD+TM provides acquisition up to 75 MHz and includes 720p HDTV and 1024 × 768 × 70 Hz; it also acquires from video signals up to 50 MHz and includes 480p, 576p, and 800 × 600 × 75 Hz.
All boards have a real-time up/down video re-sizer/scalar, which uses a polyphase algorithm to create images down to 4 × 4 and up to 2048 × 2048.
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