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 Cmple-Select is a wholesale of custom cables and accessories for Home Theater. We specialize in HDMI cables and HDMI accessories. At our store you can find all types of HDMI connections: regular, with Ethernet, mini, micro. All products are offered with Free US Shipping!

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General Interest
3D Technology


  • Fully supports 3D over HDMI feature

  • There are 2 most popular types of 3D technology. Known as "active" and "passive".

    Active-shutter 3D system also known as "alternate frame sequencing" is a technique of displaying stereoscopic 3D images. With the Active-shutter 3D system, the TV is similar to your current one, but with some increased performance to make the 3D look better. To see 3D you need a special pair of "liquid crystal shutter glasses" or "active shutter glasses". The glasses are controlled by a timing signal that alternately block one eye, and then other one, when left eye is blocked, right eye see the image, then the process switches, and while right eye blocked, left eye see almost the same image, but shot at slightly different angle. These glasses are more expensive than alternative glasses for "passive" system.

    Polarized 3D system

    Passive 3D - Rather than showing the two images in time (as active 3D), they’re interleaved in space. A single image is composed of horizontal lines from left and right stereo images, that are displayed alternately down the screen. In front of the screen’s LCD panel is a polarising filter which is made up of alternate horizontal strips of right-hand and left-hand polarising material that line up with the horizontal stripes of the image. This means that the stripes of one of the images becomes left-polarised and those from the other are right-polarised. The passive 3D glasses (they don’t contain any electronic circuitry) used with this sort of display also contains left-hand and right-hand polarising filters, one over each eye. A left-polarising filter will allow left-polarised light to pass but not right-polarised light and vice versa, which is how each eye will see just one of the images. The drawback with this method is that the horizontal resolution is halved: a full HD screen using passive 3D can show only 540 'lines' from each 1920 x 1080 pixel image.