External frame grabbers from Epiphan Systems
- Information and Specifications -
VGA2USB, DVI2USB, VGA2WEB and VGA Broadcaster

VGA2USB is a line of video recording (frame grabbing) devices. There are 4 different types (models) of VGA2USB devices currently available:

  • VGA2USB - supports up to 1536×2048 VESA resolutions with variable frame rates (depends on resolution)
  • VGA2USB LR - supports up to 1024×1280 VESA resolutions with 30 frames per second frame rates.
  • VGA2USB HR - supports up to 1200×1600 VESA resolutions with 30 frames per second frame rates.
  • VGA2USB PRO - supports up to 2048×2048 VESA resolutions with 30 frames per second frame rates. Uses sampling mode: Progressive up to 2048 x 1536, Interlaced 2048×2048 for two consecutive frames.

If you need to capture and save video signals from digital DVI sources - here are solutions for this:

Another frame grabber device exist to help your remote web conferencing and VGA signal broadcasting needs:

Technical Specification and Comparison Table for VGA2USB and DVI2USB devices 

Specs\Device

vga2usb
VGA2USB

$299.95

vga2usb-lr
VGA2USB LR
$799.95
vga2usb-hr
VGA2USB HR
$1600
vga2usb-pro
VGA2USB PRO
$2000

dvi2usb
DVI2USB Solo
$700

Interface USB 2.0

USB 2.0 and USB 1.1 buses. Performance of the VGA2USB LR device will be significantly downgraded, however, when connected to a USB 1.1 bus.

USB 2.0 and USB 1.1 buses. Performance of the VGA2USB HR device will be significantly downgraded, however, when connected to a USB 1.1 bus.  USB 2.0 and USB 1.1 buses. Performance of the VGA2USB PRO device will be significantly downgraded, however, when connected to a USB 1.1 bus.  USB 2.0 and USB 1.1 buses. Performance of the VGA2USB PRO device will be significantly downgraded, however, when connected to a USB 1.1 bus.
Input VGA VGA VGA VGA Dual-mode VGA and DVI
Connectors
One VGA D type connector
One USB mini B type connector
One VGA D type connector
One USB mini B type connector
One 5V DC 1.3mm power supply connector
One VGA D type connector
One USB mini B type connector
One 5V DC 1.3mm power supply connector
One VGA D type connector
One USB mini B type connector
One 5V DC 1.3mm power supply connector
One DVI cable (male to male)
One VGA cable (male to male)
One DVI-to-VGA converter (male to female)
One USB mini type B
VGA Signalling / Video Format Options R,G,B plus separate HSYNC and VSYNC signals (5 wire)

R,G,B plus separate HSYNC and VSYNC signals (5 wire);

R,G,B plus CSYNC signal;

R,G,B with Sync-On-Green synchronization.

R,G,B plus separate HSYNC and VSYNC signals (5 wire);

R,G,B plus CSYNC signal;

R,G,B with Sync-On-Green synchronization.

R,G,B plus separate HSYNC and VSYNC signals (5 wire);

R,G,B plus CSYNC signal;

R,G,B with Sync-On-Green synchronization.

RGB plus HSync and VSync (5 wire)
VGA Modes  

HSYNC rate is between 15KHz and 150KHz;

Pixel rate is between 12MPixel/s and 270 MPixel/s for noninterlaced grab;

Pixel rate is between 270 MPixel/s and 532MPixel/s for two consequent frame interlaced grab.

HSYNC rate is between 15KHz and 150KHz;

Pixel rate is between 12MPixel/s and 270 MPixel/s for noninterlaced grab;

Pixel rate is between 270 MPixel/s and 532MPixel/s for two consequent frame interlaced grab.

HSYNC rate is between 15KHz and 150KHz;

Pixel rate is between 12MPixel/s and 270 MPixel/s for noninterlaced grab;

Pixel rate is between 270 MPixel/s and 532MPixel/s for two consequent frame interlaced grab.

Analog:
R,G,B plus separate HSYNC and VSYNC signals;
R,G,B plus CSYNC signal;
R,G,B with Sync-on-Green synchronization.
Digital:
TDMS Single Link
HDCP ready

Color Resolution
/
Video Sampling
16 bits per pixel / 5:6:5 format

RGB24 (8:8:8) -  24 bits per pixel

RGB16 (5:6:5) -  16 bits per pixel

RGB8 (2:3:3, 3:2:3, 2:3:3) -  8 bits per pixel, 256-grey scale format

YUY2(422), UYVY, UYUV

RGB24 (8:8:8) -  24 bits per pixel

RGB16 (5:6:5) -  16 bits per pixel

RGB8 (2:3:3, 3:2:3, 2:3:3) -  8 bits per pixel, 256-grey scale format

YUY2(422), UYVY, UYUV

RGB24 (8:8:8) -  24 bits per pixel

RGB16 (5:6:5) -  16 bits per pixel

RGB8 (2:3:3, 3:2:3, 2:3:3) -  8 bits per pixel, 256-grey scale format

YUY2(422), UYVY, UYUV

24 bits per pixel, 8:8:8 format
16 bits per pixel, 5:6:5 format
8 bits per pixel, 3:3:2, 3:2:3, 2:3:3 or 256-grey scale format
4 bits per pixel, 16-grey scale format
Supported Video Modes
/
Resolutions
720×400 at 70, 85Hz
640×480 at 60, 70, 72, 75, 85Hz
800×600 at 56, 60, 70, 72, 75, 85Hz
1024×768 at 60, 70, 72, 75, 85Hz
1152×864 at 60, 70, 75, 85Hz
1152×900 at 66, 76Hz
1280×960 at 60, 85Hz
1280×1024 at 60, 70, 75, 85Hz
1600×1200 at 60, 65, 70, 75, 85Hz
1920×1200 at 60, 70, 72, 75, 85Hz
2048×1536 at 60, 70, 72, 75, 85Hz
720×400 at 70, 85Hz
640×480 at 60, 70, 72, 75, 85Hz
800×600 at 56, 60, 70, 72, 75, 85Hz
1024×768 at 60, 70, 72, 75, 85Hz
1152×864 at 60, 70, 75, 85Hz
1152×900 at 66, 76Hz
1280×960 at 60, 85Hz
1280×1024 at 60, 70, 75, 85Hz
1024×768 38Hz Interlaced
720×400 at 70, 85Hz
640×480 at 60, 70, 72, 75, 85Hz
800×600 at 56, 60, 70, 72, 75, 85Hz
1024×768 at 60, 70, 72, 75, 85Hz
1152×864 at 60, 70, 75, 85Hz
1152×900 at 66, 76Hz
1280×960 at 60, 85Hz
1280×1024 at 60, 70, 75, 85Hz
1024×768 38Hz Interlaced
1600×1200 at 60, 65, 70, 75, 85Hz
720×400 at 70, 85Hz

640×480 at 60, 70, 72, 75, 85Hz

800×600 at 56, 60, 70, 72, 75, 85Hz

1024×768 at 60, 70, 72, 75, 85Hz

1152×864 at 60, 70, 75, 85Hz

1152×900 at 66, 76Hz

1280×960 at 60, 85Hz

1280×1024 at 60, 70, 75, 85Hz

1600×1200 at 60, 65, 70, 75, 85Hz

1920×1200 at 60, 70, 72, 75, 85Hz

2048×1536 at 60, 70, 72, 75, 85Hz
2048×20481at 60, 70, 72, 75, 85Hz
1024×768 38Hz Interlaced
720×400 at 70, 85Hz
640×480 at 60, 70, 72, 75, 85Hz
800×600 at 56, 60, 70, 72, 75, 85Hz
1024×768 at 60, 70, 72, 75, 85Hz
1152×864 at 60, 70, 75, 85Hz
1152×900 at 66, 76Hz
1280×960 at 60, 85Hz
1280×1024 at 60, 70, 75, 85Hz
1600×1200 at 60, 65, 70, 75, 85Hz
Maximum Sample Rate 230 Mpixels per second        
Frame Acquisition Rate
/
Update Rate
/
Refresh Rate

While results are typically around 10 updates per second, here are actual results under varying conditions:

Res. Win XP FPS
640 x 480 29.0
800 x 600 20.6
1024 x 768 10.0
1280 x 1024 5.6
1600 x 1200 4.3
1920 x 1200 3.1
2048 x 1536 2.0

 

While results are typically around 10 updates per second, here are actual results under different conditions:

Res. Uncomp ressed Comp ressed
640 x 480 30 fps 30 fps
800 x 600 22.6 fps 30 fps
1024 x 768 15 fps 30 fps
1280 x 1024 10 fps 30 fps

 

While results are typically around 10 updates per second, here are actual results under different conditions:

 

Res. Uncomp ressed Comp ressed
640 x 480 30 fps 30 fps
800 x 600 22.6 fps 30 fps
1024 x 768 15 fps 30 fps
1280 x 1024 10 fps 30 fps
1600 x 1200 5 fps 30 fps

 

While results are typically around 10 updates per second, here are actual results under different conditions:

Res. Uncomp ressed Comp ressed
640 x 480 30 fps 30 fps
800 x 600 22.6 fps 30 fps
1024 x 768 15 fps 30 fps
1280 x 1024 10 fps 30 fps
1600 x 1200 8 fps 30 fps
1920 x 1200 5.1 fps 30 fps
2048 x 1536 5.6 fps 30 fps
2048 x 2048 5.0 fps 30 fps

For lossless frame acquisition

 

Res. DVI2USB FPS
640 x 480 29.0
800 x 600 21
1024 x 768 15.0
1280 x 1024 10.0
1600 x 1200 6.7
Sampling Mode Interlaced Progressive Progressive Progressive up to 2048 x 1536, Interlaced 2048×2048 (two consecutive frames)  
Integrated Board Features   Color space conversion
On-board cropping
Compression Booster FiltersTM
USB Transfer AcceleratorTM
Color space conversion
On-board cropping
Compression Booster FiltersTM
USB Transfer AcceleratorTM
Color space conversion
On-board cropping
Compression Booster FiltersTM
USB Transfer AcceleratorTM
On-board loss and loss-less image compression (proprietary)
On-board memory (no-interlacing artifact)
VESA-compatible Sync-on-Green
LED Three LEDs to indicate the status of the VGA2USB (power, readiness, and operation in progress) Three LEDs to indicate the status of the VGA2USB (power, readiness, and operation in progress) Three LEDs to indicate the status of the VGA2USB (power, readiness, and operation in progress) Three LEDs to indicate the status of the VGA2USB (power, readiness, and operation in progress) Three LEDs to indicate the status of the VGA2USB (power, readiness, and operation in progress)
OS Support Linux (x86, amd64), Windows 2000, Windows XP, Windows Vista (x86, amd64), Mac OS X. Linux(x86, amd64), Windows 2000, Windows XP, Windows Vista (x86, amd64), Mac OS X Linux(x86, amd64), Windows 2000, Windows XP, Windows Vista (x86, amd64), Mac OS X Linux(x86, amd64), Windows 2000, Windows XP, Windows Vista (x86, amd64), Mac OS X Linux(x86, amd64), Windows 2000, Windows XP, Windows Vista (x86, amd64), Mac OS X
SDK, API Windows: DirectShow API, Proprietary API (C/C++, VB 6, C#, Delphi)
Linux: Video4Linux API, Proprietary API (C/C++)
Mac OS X: Quicktime API, Proprietary API (C/C++)
Windows: DirectShow API, Proprietary API (C/C++, VB 6, C#, Delphi)
Linux: Video4Linux API, Proprietary API (C/C++)
Mac OS X: Quicktime API, Proprietary API (C/C++)
Windows: DirectShow API, Proprietary API (C/C++, VB 6, C#, Delphi)
Linux: Video4Linux API, Proprietary API (C/C++)
Mac OS X: Quicktime API, Proprietary API (C/C++)
Windows: DirectShow API, Proprietary API (C/C++, VB 6, C#, Delphi)
Linux: Video4Linux API, Proprietary API (C/C++)
Mac OS X: Quicktime API, Proprietary API (C/C++)
Windows: DirectShow API, Proprietary API (C/C++, VB 6, C#, Delphi)
Linux: Video4Linux API, Proprietary API (C/C++)
Mac OS X: Quicktime API, Proprietary API (C/C++)
Dimensions
80 mm x 54 mm x 23 mm
3.15" x 2.125" x  0.91"
80 mm x 54 mm x 23 mm
3.15" x 2.125" x  0.91"
80 mm x 54 mm x 23 mm
3.15" x 2.125" x  0.91"
80 mm x 54 mm x 23 mm
3.15" x 2.125" x  0.91"
5" x 3.2" x 1.2"
126mm x 81mm x 30 mm
Weight 80 grams 80 grams 80 grams 80 grams 300 grams