AccuStream Express SD 50+
High Resolution DVI, RGB, HDTV, Monochrome & Standard Definition Video Formats
The AccuStream™ Express Series of frame grabbers and video streamers are the most advanced, most versatile series of products from Foresight Imaging. AccuStream Express SD 50+ provides video capture from all popular non-standard 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 50 MHz pixel rates and up to 1024 x 1024 pixel resolution are supported. The extreme performance of AccuStream Express SD 50+ is due to the PCI Express x4 bus design, delivering sustained performance to system memory of 750 MB/second.
The AccuStream Express SD 50+ can deliver 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 SD 50+ can achieve 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 SD 50+ also features independent, dual video data paths, allowing for the simultaneous Direct Draw display of YCbCr 4:2:2 color video and the transfer of full 24 bit RGB video data for processing. All AccuStream Express boards include a real-time up/down video re-sizer/scaler which uses a polyphase algorithm for optimum image quality. The real-time scaler supports scaling images down to 4 x 4 and up to 2048 x 2048.
AccuStream Express SD 50+ 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, & monochrome inputs), and a S-video connector (for S-video & composite color inputs). Input resolution is up to 2 megapixels total area and pixel rates are up to 50 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. An external trigger is available. AccuStream Express SD 50+ is fully compliant with the DVI 1.0 specification.
AccuStream Express SD 50+ is supported by Auto-SYNC™, Foresight Imaging's flagship automatic configuration software. Auto-SYNC ensures quick and simple installation and image capture by automatically configuring AccuStream Express SD 50+ to the incoming standard or non-standard video signal. Auto-SYNC automatically analyzes the incoming video signal and builds a configuration file. Use the configuration file as created or utilize the Auto-SYNC Wizard for simple, step-by-step video adjustments. AccuStream Express SD 50+ is supported by the IDEA (Imaging Development Environment for Applications) software development kit. By using IDEA™, developers have the confidence of knowing that they can write their applications once and have support built-in for the entire AccuStream Series. TWAIN, WDM, and VFW drivers are included to further simplify development and use of AccuStream Express SD 50+. With IDEA, ActiveX controls are provided to facilitate easy development with Visual Basic, Visual C++, and Visual J++. Extensive example programs (with source code) are provided with IDEA. Functions of the example programs include triggered acquisition, video streaming to AVI files, integration with Pegasus Imaging compression for streaming, overlays, and much more. Auto-SYNC, IDEA, example programs, and drivers are provided free of charge with each AccuStream Express SD 50+. Linux drivers are also available.
Flight simulation: Acquire from high resolution simulation displays.
Medical imaging: Acquire from any medical imaging device.
Display monitoring: Acquire from high resolution displays.
Military imaging: Acquire from high resolution video screens for command & control.
Multimedia: Acquire from any HDTV or standard definition device.
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AccuStream Express SD 50+ Specifications
All specifications subject to change without notice.