Stereoscopic 3D FAQ

(v0.1 Beta 10/02/10)

Q1. My 3D monitor is not displaying 3D properly?
Q2. How can I view 3D movies or images on my 3D monitor?
Q3. My monitor is setup correctly but I still can't see the 3D effect?

Q1. How does 3D projection work?
Q2. Can I project onto any surface/screen?

A1. In 99% of cases the reason the 3D effect does not resolve on a 3D LCD monitor is that the output resolution does not match the native resolution of the screen. Please double check that your output device is set to the appropriate resolution:

If this does not fix your display issues please check that your software is set to output a Row Interleaved or Interlaced format. You may need to swap the Left and Right output if the 3D effect seems just a little off.

If you are trying to display 3D geometry in Stereoscopic mode (i.e. games or interactive content) then please check you are using the correct video driver.

Please feel free to contact us if you require assistance. support@pixelution.co.uk

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A2. Please use the software supplied with your monitor to view 3D content. Hyundai screens come with TriDef software, the Zalmans come with Stereoscopic Player and the Tridelity screens have their own software. The JVC 46" screens do not come with software so if you intend to drive it from a PC you will need to purchase a copy of Stereoscopic Player.

You will also need the appropriate codecs for your movie files. Check that you can view your media as non-3D in a standard player (Windows Media Player, Quicktime etc.)
 

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A3. If your monitor is correctly configured but you are unable to see the 3D effect through the glasses you probably need to adjust your viewing angle. The 3D effect is visible within a sweet-spot. Make sure you are positioned directly in front of the screen at mid-height. From this position you should see the 3D effect. You can move away from this position and maintain the effect but the viewing "window" is less tolerant of changes in height than side-to-side. In general the larger the monitor the larger the viewing area. If the 3D effect is still not right please check the left and right images are being displayed to the correct eye (F7 in Stereoplayer swaps the eyes) - it helps to look away or blink when changing orientation.
 

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A1. There are a few different technologies that can be employed for 3D projection. They all require the use of glasses, either passive or active, and some require special screens.

Dual Projection - Using two projectors to carry the Left and Right image data. The images are seperated using polarising filters to deliver each view to the correct eye. In order to preserve the polarity of the image you need to use a special Silverscreen surface to project onto. A standard "white" screen scatters the light destroying the polarity.

Single Projector Active - Using a single projector images are displayed in a left-eye, right-eye, left-eye, right-eye sequence. Shuttered glasses block out the frames that each eye should not see. This technique does not require a special screen but does incur the additional cost of the active glasses.

Single Projector Passive - Effectively combining the above two systems this technology is the basis of most modern cinema installations. A single projector runs at a high frame rate than normal displaying batches of left then right frames to reduce flickering. Each set of frames is polarised for left or right viewing. The Silverscreen surface holds the polarisation of the light and the audience wear passive glasses.

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A2. You can only project Stereoscopic 3D onto a "normal" surface if using Active/Shuttered glasses. Most projection systems utilises polarised light which requires a specially reflective surface to hold that polarisation.

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