quarta-feira, 26 de maio de 2010

3D TV Guia: Tudo Que Precisa Saber


Which new models were announced at CES 2010? When will they be available?

Just about every major manufacturer announced a 3D television at CES 2010. Here's a rundown on the big models in order of their release:

•Panasonic Viera VT25 Series Plasma (Available now)
Samsung LED8000 Series LCD (Available now)
•LG LX9500 Series LCD (Available in Korea, coming to U.S. in May)
•Sony LX900 Series LCD (Summer 2010)
•Vizio XVT Pro Series LCD (Available in August 2010)
•Toshiba Cell TV ZX900 Series LCD (Fall 2010)

With the exception of Samsung's LED8000 series (which will be trumped by the LED9000 later on), these represent flagship models. Most manufacturers are also offering more stripped down versions at lower price points.

Check out 3DMovieList for a comprehensive list of models, release dates and features.

Will I absolutely need 3D glasses? How do they work?
How much will extra pairs cost?

Every consumer-grade 3D TV today requires glasses to produce a 3D effect. Although many companies have demonstrated tech demos at trade shows that show how 3D can be produced without glasses, none of them are yet ready for prime time.

Unlike movie theaters, which use polarized glasses, 3D TVs use active-shutter LCD glasses. This means a tiny transmitter inside actually communicates with the TV to block your left eye when an image for the right eye is on the screen, and vice versa, 120 times per second. This rapid-fire trickery requires electronics and a small battery, making them heavier and bulkier than the cheap polarized glasses you may have used in a 3D cinema.

don't expect them to be cheap. Samsung, which already has 3D displays on the market, charges $130 for a pair of its rather dorky 3D shades. Nvidia charges $149. Even if the TV you buy comes with a two pairs, that's another $260 to get the kids on board, and more if you want to invite the neighbors over to gloat. Make sure to factor the price into your purchase.


What will I be able to watch in 3D?

To be frank, not that much, right off the bat. Although standards for generating and distributing video in 3D have expanded, the market is still pretty slim at the moment.

Television stations will start to offer 3D content soon, too. DirecTV will fire up three 3D stations in 2010, ESPN will broadcast select games in 3D, and Sony and IMAX are slated to start their own 3D nature channel.

Do I need a special Blu-ray player for those 3D Blu-ray discs?

Unfortunately, yes. The same companies pushing 3D TVs have committed to producing 3D-capable Blu-ray players this year as well.

What is HDMI 1.4?

At the moment, a certified HMDI 1.4 cable is the only way to carry a 3D signal. That means that your existing HDMI 1.3 cables (which have been the standard since 2006) won't do the job. A new cable isn't much of an upgrade investment, but keep in mind that other HDMI accessories won't work, either, including A/V receivers.

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