Using a 3D DLP Projector in Stereoscopic 3D Mode with a PC
The 3D DLP projectors are one of the most affordable solutions to get a large screen with 3D support, whether it is for watching 3D movies at home or for playing games in stereo 3D with a better sense of immersion. There are a lots of models available on the market using various interfaces and having different resolutions and capabilities and all of these may cause a confusion and as a result you may end up with a 3D-capable projectors that does not work the way you wanted it. There are a few very important things that you should be aware of when considering buying a new 3D DLP projector or already have one, but you still haven't used its 3D capabilities and you want to try them out. One of the most important advantages, besides the large projected screen of a 3D DLP projector is the fact that the technology does not suffer from issues with crosstalk, unlike 3D-capable monitors or 3D HDTVs. So let us see what is the most important information that you need to know.
When talking about a consumer level affordable 3D DLP projectors there are two main types of modes being used for providing support for stereo 3D, these are frame sequential input (can be over a VGA or HDMI interface) or HDMI 1.4 frame packaging. The interface and mode being used by a 3D DLP projector is very essential on what else will you need and how can you use the projector, so you must carefully choose the right interface based on what toy are going to be using the projector for and even depending on what other hardware you have in your PC. You should be well aware of the fact that there are still no affordable consumer level 3D DLP projectors capable of providing 1080p resolution in 3D mode with high-enough refresh rate for comfortable gaming. So regardless of the interface a 3D DLP projector uses and the native resolution it supports you can forget about being able to play games in stereo 3D mode at 1080p resolution for now, but you can still watch 3D movies at Full HD resolution if the projector is with 1080p native resolution. And this is just one of the examples of the limitations and features you should be well aware of when considering to use a 3D DLP projector, especially if you still haven't purchased one. But there are a lot more specific things‚?¶
3D DLP Projector with frame sequential support:
- You can supply the frame sequential output over VGA or HDMI 1.3 interface.
3D DLP Projector with HDMI 1.4 frame packaged support:
- You need to use the HDMI 1.4 interface on the projectorYou should note that the newer 3D DLP projectors using HDMI 1.4 for 3D support are not suitable for some owners of older Nvidia-based hardware that would work with frame sequential models for example such as the GeForce 8800 which although old is still quite popular and widely used product and quite capable for gaming in the not so demanding 720p resolution even in stereo 3D mode. And with regards to the increased input lag required for the processing of the frame packaged 3D input and the lack of support for 120Hz 2D mode the frame sequential models might still be more attractive for people that are going to be using them mostly for gaming. On the other hand 3D DLP projectors using frame sequential mode are more restrictive and hard to setup for users that are going to be using them mostly for watching movies in 3D whereas the HDMI 1.4 interface makes it much easier. For gaming in stereo 3D mode on a 3D DLP projector there is still not way to get 1080p resolution, so the far that some 3D DLP projectors with HDMI 1.4 interface are with native resolution of 1080p does not help at all as you'd still have to resort to 720p resolution when playing games in stereo 3D mode anyway due to the limited refresh rate at the higher resolution.
DDD is offering a trial version of their TriDef 3D software and Nvidia also does offer you to download a 14-day trial version of the 3DTV Play software from their website, so you can get these to try things out and if everything works then you can buy a license for the software. There is no trial version of the 3D Vision software as it is a part of the Nvidia graphics driver now and it includes only free anaglyph 3D mode, the 3D Vision functionality is tied to hardware requirements as well anyway. If you already have the IR emitter of a 3D Vision kit connected to a PC you get free 3DTV Play functionality, so there is no need to buy a separate license for that.
AMD HD3D supported 3D DLP projectors (frame sequential):
- BenQ MP777, MP776, MP626, MP782 ST, MP772 STNvidia 3D Vision supported 3D DLP projectors (frame sequential):
- Acer X1261P, X1261-3D, X1130P, X1111, H5360, X1110Nvidia 3DTV Play supported 3D DLP projectors (HDMI 1.4):
- Acer H5360BD, H6510BD and H9500BDAs you can see 3D DLP projector support overlaps quite a bit in the frame sequential models, though there are some models and brands covered by official support only by either AMD or Nvidia. Unlike Nvidia however AMD is much more open to support for projectors supporting HDMI 1.4 frame packaging as there is no official list of devices on their website. Now, if you already own a 3D-capable DLP projector that is not on the list don't worry, there is still some chance that you might be able to make it work via a workaround solution, however you should be warned that things like IR emitter emulators, or EDID override drivers may or may not work in your case and even if they tend to work you might face different issues or problems and you never know if they won't stop working soon. So resort to trying the different workarounds (some of which are also being discussed on this website) as a last resort if you already own a device that is not on the officially compatible list, if you are making the decision on what to buy now, better choose a compatible model fitting your needs and requirements, as this can save you a lot of trouble later on.
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