AccuStream Express HD+ Foresight Imaging Frame Grabber and Video Streamer

The Foresight Imaging AccuStream Express HD+ Series Frame Grabbers and Video Streamers provide video capture from all popular high resolution and standard definition video sources: DVI, RGB, YPbPr, HDTV, monochrome, S-video and composite color. Physical input connectors on the board are HDMI-style DVI, DVI-I, and S-video. Up to 170 MHz pixel rates and up to 2048 x 2048 pixel resolution are supported. The extreme performance of AccuStream Express HD+ is due to the PCI Express x4 bus design, delivering sustained performance to system memory of 750 MB/second. For example, AccuStream Express HD+ can stream to memory 1080p HDTV video without dropping any frames.

The AccuStream Express HD+ delivers extreme accuracy and image quality for demanding customers with high resolution and precision applications. Extremely low pixel jitter of +/-0.5 ns, superior analog design, and a 59 dB signal-to-noise ratio provide the accuracy and image fidelity required of high performance applications. For superior quality, 10 bit analog-to-digital converters are used throughout. Color video may be stored as 24 bit, and monochrome video at 8 or 10 bit. Pixel formats include RGB 24, RGB 32, RGB 5:5:5, RGB 8, YCbCr 4:2:2, YCbCr 4:4:4, 8 bit monochrome, and 10 bit monochrome.

AccuStream Express HD+ achieves its extreme 750 MB/second sustained performance via its PCI Express x4 bus mastering design, scatter-gather technology, and double buffering. This high performance requires minimal CPU intervention so that the processor is free to work on other tasks or process the data immediately. Real-time display is simultaneously enabled by real-time transfer of image data directly to display card memory over the bus. AccuStream Express HD+ also features independent, dual video data paths, allowing for the simultaneous DirectDraw display of YCbCr 4:2:2 color video and the transfer of full 24 bit RGB video data for processing.

AccuStream Express HD+ acquires images and video streams from both non-standard and standard video inputs from DVI, RGB, YPbPr, HDTV, S-video, composite color, and monochrome sources. Video input connectors on the board include an HDMI-style DVI connector (for DVI-D input), a DVI-I connector (for DVI-D, DVI-A, RGBHV, and monochrome inputs), and a S-video connector (for S-video and composite color inputs). Input resolution is up to 4 megapixels total area and pixel rates are up to 170 MHz. For fine-tuning of the video signal, gain, black level, white balance, and phase controls are provided. Separate H and V sync are supported. AccuStream Express HD+ is fully compliant with the DVI 1.0 specification.

AccuStream Express HD+ is ideal for any application requiring high resolution and high performance imaging. Additionally, with all popular video formats supported, AccuStream Express HD+ can be used for virtually any video acquisition application.