Many of the new 3D flat screen TVs will use this active 3D technology and this will require us to buy the more expensive active shutter LCD glasses. The main advantage of active 3D systems is that they will deliver Full HD p images to each eye, whereas other methods will have to rely on lower resolutions. However, some TV models will use passive 3D with the cheaper polarized glasses, and so this is one area that we will need to be aware of when we are buying a new TV.
The two technologies will have certain advantages and disadvantages, but the main point is that we will have to buy the right type of glasses to suit the technology our TV uses. The difference is that they would have been using the older anaglyphic 3D, or possibly field-sequential DVDs which worked on old CRT televisions.
Anaglyphic 3D can be seen on any TV as it is created by displaying a picture with two colour-filtered images super-imposed on each other. When viewed with good old red and cyan lens glasses, a 3D image is seen. Ok, so now we understand what 3D is, what exactly will be needed in order to have this in our homes? At present, the easiest way to start watching new 3D content will be to buy a 3D-enabled Blu-ray player.
All the major manufacturers of Blu-ray players have 3D models which support this new format. Just make sure that when you are buying a player that you are buying the 3D model. It can be easy to buy the wrong one by mistake as the players can look very much alike when you see a long list of them. The only way around this is to connect the Blu-ray player directly to the TV. Broadcast, cable and satellite TV companies were slow to roll out 3D transmissions for their networks. One of the main reasons were the increased costs required to broadcast 3D than that of standard or high-definition transmissions — and this had to be weighed up against public demand.
However, after 2 or 3 years these transmissions were gradually discontinued. The shame of the 3D World app is that the footage actually sells the set short—it's not only terrible content, but the stereoscopic effect is awful, routinely giving the viewer double vision.
It's worth mentioning, briefly anyway, that the easiest way to experience 3D on any of these sets is by activating the now common 2D-to-3D conversion feature. Most TVs do a pretty good job of discerning foreground from background, but the effect is still a bit uncanny—3D at its best uses depth to add a sense of visual context think of the difference between the inside of a cramped elevator and the inside of Grand Central Terminal , and the conversion technology seems to make all spaces feel equally deep.
Perhaps the best free 3D delivery vehicle is in hiding on many of these smart sets—YouTube. For three years, YouTube has cultivated a 3D channel for depth-perception enthusiasts.
The channel allows users to upload and even edit footage in 3D, then display it in either anaglyph red and cyan or a format that conforms to 3D standards that televisions can understand. Much of the content is what you'd expect from a site that relies on the general public for content—3D YouTubers seem to enjoy poking objects into the camera—but often the 3D effect, if not the storytelling, is surprisingly good.
Passive glasses are used on sets from LG and Vizio. They are lighter and cheaper. Since the glasses are not as dark, passive sets appear brighter. In our tests, the 3D effect starts to break down when viewed off-center.
And if you've tried any of the four options mentioned here, let me know how they worked out. Be respectful, keep it civil and stay on topic.
We delete comments that violate our policy , which we encourage you to read. Discussion threads can be closed at any time at our discretion. Rick Broida. April 18, a. Vudu offers a decent selection of streaming 3D movies -- but most are for purchase only. Active shutter 3D glasses run on battery power, hence the active part of the name. These are a less widely available option, but are more reliable and can produce better images than passive glasses. Essentially, they work using rapidly moving shutters over each eye to produce the correct 3D image.
These glasses obviously only work with active TVs, but also work with projectors. The viewing device gives out 2 rapidly alternating images, meaning one full image for each eye.
The technology is far more complex, but produces a better quality image. As you can see, passive glasses are generally the easier option to use, and are compatible with all brands. As we all know, your AV receiver is the hub of your home theater. All you need to do is plug one HDMI cable directly into your TV or projector, which will provide the video, and the other goes into the AV receiver, which will provide the audio.
There are some obvious drawbacks to this method, such as needing a second cable connection, but it does allow you to get around the problem of buying a new AV receiver. The second option available is to buy a Blu-Ray player that has its own surround sound output connections. Much like with the previous method, you need to connect the Blu-Ray player directly to the TV again, but then use its 5.
This method does require your AV receiver to have matching surround sound input connections, but many of them will anyway.
You can also use this method with digital audio out connections, which rely on the same principles. However, these are the pros and cons of upgrading to a 3 system. As I mentioned at the beginning of this article, I never really got interested in 3D technology. From the beginning I saw it as something of a craze that would need to work hard to take off, which never really seemed to happen.
I can see it making a comeback in the future if manufacturers manage to solve the major problems. As I suggest with any new investment for your home theater though, make sure you do plenty of research first. Applying the technology to sports, TV shows, or games makes a big difference to your viewing experience, and will be a talking point among your friends. This one almost goes without saying, but having the characters on screen coming towards you results in a much more immersive viewing experience than what you get with 2D media.
So this results in much better images when viewing 2D , including deeper blacks, better response time, and higher contrast. This is the big one.
0コメント