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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
     Adobe Flash Encoder
     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.
Datapath Vision AV Capture Card

HDMI, DVI, RGB, YPbPr, Composite video & analog audio capture

Unified driver supporting multiple capture cards

Data transfer up to 800MB/secs
Board Format
PCI-Express x4 low profile card, 68.9mm x 167.6mm
Connectors (main board)
DVI-I , RCA (female)
Connectors (audio board)
HD15 (male) for connection of supplied Audio Breakout cable:
Stereo line in (2 x RCA), stereo balanced in (2 x XLR), stereo line out (2 x RCA)
16-way header for connection to main board

HDMI Capture
Supports HDMI 1.3 to 225MHz (including deep colour modes).  For HDCP support, contact  the Sales Dept at Datapath for more information
HDMI audio can be selected as source for audio streaming.  *
Incorporates TMDS equalizer to support up to 20m cables.

DVI Capture
Supports DVI 1.0 RGB 24bit capture to 165MHz.
Incorporates TMDS equalizer to support up to 20m cables.
VGA/ YPbPr Capture
Triple ADCs sampling up to 170Msps.  Full 4:4:4 sampling, 8 bits per colour.
5-wire, 4-wire or sync-on-green signal formats.
Composite Video Capture
CCIR601 sampling. PAL, NTSC, SECAM formats automatically detected
Audio Capture
Stereo Line-In/Stereo balanced inputs with programmable gain (+/-12dB)
16 bit sampling at 44.1/48/96kHz.
Analog stereo line-out for direct passthrough of selected input  at up to 64kHz sampling, sourced from Analog input or HDMI channel
Video Capture Memory
256MB high bandwidth frame buffer supports triple buffering of HD and SD video.
Local storage of complex scatter-gather tables for DMA engine (eliminates read overhead)
Video Processing
Polyphase FIR scaling engine (7x5) for hardware downscaling and upscaling
Colour space conversion allows captured data to be transferred in any format: 
RGB    16 bit (5-5-5, 5-6-5), 24 bit (8-8-8) or 32 bit (8-8-8-alpha) 
YUV    16 bit (4:2:2) 
Mono:  8bit

DMA Engine
Direct DMA to physical or virtual memory buffers with full scatter-gather support.
DMA bandwidth : up to 800MB/s
16 independent DMA streams:
Any mix of HD and SD sources, colour space, cropping and scaling parameters

Operating System Support
Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows Server 2012, Windows 7, Windows 8 and Linux support (NOTE: Check Linux specific features with Sales)
Power Requirements
Max current  at 12V – 0.5A
Max current at 3.3V – 0.2A
Thermal dissipation – 6.5W
Operating Temperature
0 to 35 ºC ( 32 to 96ºF)
Storage Temperature
-20 to 70 ºC ( -4 to 158ºF)
Relative Humidity
5% to 90% non-condensing
3 years

We are continuously developing the technology used within our product ranges delivering outstanding innovative solutions, therefore the specification may change from time to time.
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VisionAV/B  Half Height, Audio Optional
VisionAV/F  Full Height, Audio Included
VisionAV/H  Half Height, Audio Included
USD $1174.00   In-Stock
USD $1324.00   In-Stock
USD $1324.00   In-Stock
Board Model 159 159B 159C
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