Friday, 3 June 2011

THE HIGH DEFINITION OF 3DTV

What does '3D Ready' mean?
Just as new high definition TVs were marketed as 'HD ready', expect the first wave of 3D-capable sets to wear a '3D Ready' sticker.But what does '3D Ready' mean, and what defines a 3D Ready TV? Samsung's 3D-capable 7000, 8000 and 9000 Series HDTVs, for example, will include a proprietary 3D processor and emitter. These are designed to be compatible with multiple 3D standards, including half/full HD resolution formats and the recently finalised Blu-ray 3D specification.All of which suggests that the term '3D Ready' is just a catch-all phrase for a less exciting (but more accurate) one - 3D-capable.
 
 While there ise no restrictions in terms of TV size, a 3D TV needs a minimum refresh rate of 120Hz (a basic 60Hz displayed for each eye). The higher the refresh rate, the smoother the 3D effect. So a 240Hz set will be capable of outputting 120Hz to each eye. HDMI 1.4 will also be required for full HD per eye viewing.Until the broadcast industry settles on a standard, any '3D Ready' badge will need a graphic depicting some fingers firmly crossed.Blu-ray 3D standard was adpoted late 2009.. The Blu-ray Disc Association has given the thumbs up to Multiview Video Coding, a variant of the existing high-def H.264/MPEG-4 AVC codec. Of course, how you view 3D content has also not been set in stone. Cinemas generally use three different types of 3D glasses - passive  glasses, active shutter glasses, and Infitec (Dolby 3-D) glasses.
For home use, most brands have settled onh Active Shutter technology.

 
 How much does a 3D TV cost?3D TVs are not as expensive as you might think. Panasonic's 50 inch P50VT20 plsams sells for around £2,000. LED LCD models from other manufacturers are slightly more.Could my existing Blu-ray player take 3D discs?Yes, but they will only playback in standard 2D. For 3D Blu-ray you will need a 3D capabale 3D Blu-ray player. Read our review of the Panasonic DMP-BDT300 here. Samsung's 3D BD-C6900 is reviewed here.if you have a fast enough PC, you can already play games in 3D using a special converter.  Anyone with Vista PC running on an Intel Core2 Duo or AMD Athlon X2 CPU and a 3D-capable stereoscopic monitor from Samsung or ViewSonic (the circa £300 2233RZ and VX2268wm models, respectively) just needs to add a 3D graphics card and software package, such as Nvidia's GeForce 3D Vision, to convert almost any PC game into 3D. The package sells with active shutter (battery-operated) specs and a transmitter. Although Xbox or the PS3's hardware is way too old too cope with 3D.

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