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Capture Card

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Capture Card
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The VisionAV is a x4 lane PCI Express capture card providing up to 800MB/s bandwidth from the capture engine. The VisionAV has up to 256MB buffer memory, enabling triple buffering for all video modes for tear free play back.  It can also capture digital video for progressive and interlaced modes up to 4096 x 4096 resolutions to a maximum of 165 MHz pixel clock for DVI and 170 MHz for Analog RGB. This card provides HDMI audio capture and streaming from DVI Channel, as well as balanced and unbalanced analog audio capture.


The Vision range provides high performance DMA to system memory or direct to graphics memory with scatter gather, allowing for low latency fast frame rates in all applications. The complete range of Datapath video capture cards are supported by a generic Windows Vision driver and command line interface also supporting DirectShow and RGBEasy SDK.

A single Vision device supports up to 16 independent scale factors, colour spaces and frame rate clients. The Datapath capture cards have Timestamp support for capture synchronisation across inputs, cards and systems. This is for use with edge blending, frame stitching, stereoscopic and many more applications using gen-locked sources.

The VisionAV has two independent video capture channels – one supporting HD capture and a second simultaneously accepting Standard Definition composite video.  The VisionAV also adds analog audio capture, which can be perfectly synchronised with either video capture channel. 

The High Definition signals are input via a DVI-I connector and can support HDMI, DVI, RGB and analog Component (YPbPr) video formats all at resolutions up to 4096 x 4096 pixels and supports 1080p (1920x1080) at 60 frames per second. The Standard Definition channel accepts composite video on a single RCA connector and can auto-detect between PAL, NTSC and SECAM formats up to 720 x 576 at 16 bit colour. 

The VisionAV captures both video channels simultaneously and triple buffers them into onboard storage, alongside an audio stream that can be selected from the HDMI or Analog audio port.  This data can then be processed and copied using DMA transfers to the host system for display, storage or streaming.


The VisionAV is an ideal solution for applications that require the capture of analog or DVI sources in real time.  Typical applications include capturing analog or DVI sources from PCs, MACs, industrial/medical equipment, cameras and other video equipment streaming video applications and video wall controllers.

Adding support for simultaneous analog and digital audio capture makes this a versatile capture card for streaming, webcasting, video conference and many other applications.


Direct WDM streaming driver supports the following applications, to encode, record and stream video over networks or the internet:

  •  Dataton WatchOut 
  •  Microsoft Expression Encoder 
  •  Microsoft Windows® Media Encoder 
  •  VideoLAN VLC 
  •  NorPix StreamPix 
  •  VitualDub 
  •  Adobe Flash Encoder 
  •  VidBlaster 
  •  AMCap and other DirectShow compatible software

For further details see the Datapath DirectShow SDK documentation supplied as part of a typical installation.


A single Vision device supports up to 16 independent scale factors, colour spaces and frame rate clients, which enables multiple streams to be sent to and from the card at the same time in different formats.

Supports time stamp for capture synchronisation across inputs, cards and systems.

  • For the use with edge blending, frame stitching, stereoscopic and many more applications using gen-locked sources.

Flexible and configurable preferred mode EDID Management

  • Allows programming of custom EDID parameters including ‘Preferred Mode’

Low input to output capture latency

  • DMA to third party graphics vendors back and front buffers via Direct3D
  • Compatibility with AMD DirectGMA
  • Compatibility with Nvidia GPUDirect

Signal detection

  • VisionAV capture card detection of HDMI, DVI, VGA 5 wire, 4 wire, 3 wire, component and composite video, balanced, unbalanced and digital audio detection. 
  • Additional Vision cards include video capture for SDI and DL-DVI input


Vision driver & command line interface

  • Supplied with a standard application for full control of any Vision capture card, this includes GUI’s for window properties, input settings, on screen display and EDID configuration. 
  • The Vision application also includes a comprehensive command line interface for all GUI controls.


  • SDK for advanced audio and video control 
  • Sample applications including low latency DirectX rendering


  • DirectShow SDK
  • Sample applications including AV encoding
  • SDK diagnostic transform filters
  • Kernel Mode - WDM video capture filters (crossbar required)
  • User Mode – Additional support for PiP, IAMStream control and cropping 

*Datapath is planning audio support for Linux, please contact Sales for further information.




Artikelnummer 8680-0017-01
Administrator Datapath
Lieferzeit 2-14 Tage


  • HDMI, DVI, RGB, YPbPr, composite video and analog audio capture
  • Dual Channel Video
    • Channel 1: HDMI, DVI, RGB, YPbPr digital or analog HD video
    • Channel 2: Composite video - NTSC, SECAM and PAL
  • Datapath Unified Vision Driver
    • Multiple cards per system, 16 streams per channel
    • Frame sync and time stamping
    • DirectShow interface
    • RGBEasy API for advanced audio and video control
  • High quality up/down scaling (7 x 5 Polyphase Filter) the Vision range provides an excellent visual experience
  • Mutliple channel video capture
  • Multiple capture cards per system
  • Small form factor low power consumption
  • Fully integrated for use with Datapath Wall Control video wall software for video wall applications
  • Support for Windows® XP/ Vista/ Server 2003/ Server 2008/ Windows 7/ Windows 8/ Server 2012 and Linux (NOTE: Check Linux specific features with sales)
  • HD modes using the supplied DVI/ Component Adapter or DVI/ HDMI Adapter, for HDCP contact Datapath
  • On card processor for real time mode detection - for trouble free connection to a wide variety of video sources
  • Support for YUV 4:2:2, RGB 5:5:5, 5:6:5, 8:8:8 video output formats provding compatibility with a wide variety of data streams


CV IN 1x


Datenblatt Deutschpdfi//visionav_vd-eu-gmbh.pdf (1.01 MB )

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