DVI (HDMI) and VGA (Component)
High Definition Video Comparator: Split Screen, Mix, Subtract, Freeze - 618 Series

PDF Manual Specifications Online Ordering & Prices

  • 2 Inputs, 1 Output
  • Split Screen
  •     Left-Right or Top-Bottom
  •     Adjustable Split Position
  • Mix
  •     Double Exposure Effect
  •     Adjust the proportion of each input
  •     Fade, disolve, or overlap from one picture to another
  • Subtract
  •     See only the difference between pictures
  •     See only motion by continually showing the difference between successive frames.
  • Freeze either input
  •     Store an image for reference or continual comparison
   
The Model 618 Series Functions are Available Separately:

The Model 618 Series High Definition Video Comparator combines three functions for displaying two video sources on one monitor.

Split Screen mode allows portions of each of two pictures to be displayed in a corresponding portion of a video display. This mode can split a video image, wipe or display two video images or a dual video image, one image over the other, top to bottom, or side by side, to make portions of each viewable on a single monitor. Images from two cameras can be displayed on one video monitor. This adjustable video screen splitter can split an image, mix, wipe, overlay or switch an image or display from two different high definition video sources, creating dual video images or pictures on one screen or monitor. A front panel control selects whether the screen is split horizontally or vertically. A control knob determines the proportion of the screen allocated to each source, adjustable from 0% to 100%. The user can freeze either of the inputs and either input can be viewed exclusively by push of a button.

Given Input A
And Input B
Split Vertically
or Horizontally
Video Screen Splitter, Split Screen Video, Video Wiper, Side-by-Side Video Image Video Screen Splitter, Split Screen Video, Video Wiper, Side-by-Side Video Image Video Screen Splitter, Split Screen Video, Video Wiper, Side-by-Side Video Image Video Screen Splitter, Split Screen Video, Video Wiper, Side-by-Side Video Image
Split Position is Adjustable
Positions can be Swapped
Video Screen Splitter, Split Screen Video, Video Wiper, Side-by-Side Video Image Video Screen Splitter, Split Screen Video, Video Wiper, Side-by-Side Video Image

Squeeze Left/Right Split: Normally, a video screen splitter cuts away a portion of each picture in order to make room on the screen or monitor for the corresponding portion of the other picture. For instance, if set for a 50%/50% split display, only 50% of each picture will be visible. Therefore, special attention should be taken in aiming the cameras at their subjects. The High Definition Video Screen Splitter Model 618 Series provides a unique "anamorphic" mode that squeezes two full pictures to fit, in their entirety, side-by-side, on your display in a 50%/50% split. This optional squeezing causes subjects to look "tall and skinny".

Given Input A
And Input B
Video Screen Splitter, Split Screen Video, Video Wiper, Side-by-Side Video Image Video Screen Splitter, Split Screen Video, Video Wiper, Side-by-Side Video Image Video Screen Splitter, Split Screen Video, Video Wiper, Side-by-Side Video Image
Left/Right Squeeze Mode Squeezes Instead of Cropping Both Pictures to Fit (50-50 V-Split Only)

Mix mode provides double exposure effect. Described in different ways as video signal or image mix mode, video dissolver, video fader or video combiner creates a double exposure effect by adding two video signals or images together. The Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner can dissolve one real-time video image or picture into another with a double exposure effect. The system can combine or mix two video signals or images into one. The front panel control knob can be used to fade from one input to the other or to add the two sources together to varying degree.

Given Input A
And Input B
Output
Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer
    Mix Ratio is Adjustable

Subtract or Compare mode allows you to subtract or compare two video images. The unit performs a video image comparison by subtracting the image stored in its memory from the active picture at its input or subtracting one live picture from another live picture. Comparison (subtraction) of two live video streams is also possible. This mode is very useful for inspection, registration, interferometry, quality control, surveillance and other applications where an easily viewed comparison of two video images can be used for decision making or process control.

The Subtract or Compare mode has two selectable output modes. One provides the difference plus 0.5. The other provides the absolute value of the difference. Additionally, a button is provided to invert the output thereby showing the reference minus the input instead of the input minus the reference. A "Difference Threshold" control allows adjustment of the unit's sensitivity to differences.

An additional operational mode allows subtraction of each video frame from the previous frame to provide "frog's eye" capability, displaying only motion in the scene being monitored by the input video camera.

Given Input A
Subtract Input B
Output
Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer
    Mix Ratio is Adjustable
Given Input B
Subtract Input A
Output
Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer
    Mix Ratio is Adjustable

Given Input A
Subtract Input A
Output
Output
Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer Video Signal or Image Mixer, Video Dissolver, Video Fader, Video Combiner, Video Image Mixer
Mix Ratio is Adjustable

When connecting the DD618CS Hi-Def Video Comparator to an HDMI device, we recommend using a 6 foot Male DVI to Male HDMI Cable or Adapter. Inputs A and B must be of identical resolution.

PDF Manual Specifications Online Ordering & Prices

Applications

Surveillance
Pictures or images from two security cameras can be combined or split screen on one video screen, making it easier for personnel to monitor both camera locations through a dual video image.

Legal, Courtroom Video Camera Splitter
Video tapes, video conferences, and courtroom proceedings can use the Video Screen Splitter or Video Display Splitter to show two parties or dual images on one screen or monitor, side-by-side, or top to bottom at all times.

Forensics Image Comparison
A Video Screen Splitter can be used to present a reference image side-by-side or top to bottom with an image under examination, making image comparison and analysis much easier and more reliable.

Edge comparison and Alignment for Large Objects.
Opposite sides or ends of large items can be closely viewed simultaneously, side-by-side or top to bottom, with two carefully aligned cameras connected to a single monitor or video screen through a Video Screen Splitter.

Specifications Online Ordering & Prices
  
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