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Sky 3D review: Sky 3D

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The Good Free for top-tier Sky subscribers; 3D picture quality is stable, detailed and colour-rich.

The Bad Not as sharp as 3D Blu-ray content; 3D TVs are unable to automatically detect the Sky 3D signal.

The Bottom Line Bin your preconceptions -- Sky 3D really does usher in a whole new way of enjoying TV. Consumed in small doses, Sky's 3D channel is fun, fresh and frighteningly addictive.

8.3 Overall

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Legendary US film critic Roger Ebert is not a fan of 3D. He recently described it as "a waste of a perfectly good dimension". Francis Ford Coppola, director of The Godfather, is of similar mind, branding it "tiresome". But the good folks at Sky take a different view, hoping to turn us into a nation of goggle-wearing geeks with the launch of the first 3D channel on their service.

The launch, on 1 October, has taken on a huge significance, not least for manufacturers of 3D TVs, since they're all desperate for the technology to catch on. So will Sky 3D reinvent TV or is it just a gimmick? We've watched it and this is our verdict.

3D icing on the cake

The good news is that Sky's 3D service works with both passive-polarisation 3D TVs (from, erm, LG) and active-shutter sets (from everybody else... and LG). You don't even need any new Sky hardware to watch it. Any Sky+HD box will work. Just connect the satellite receiver to your 3D TV with an HDMI lead, enable channel 217 with a quick call to Sky's service centre, and you'll be away. There isn't even an additional charge, provided you already subscribe to one of Sky's top-tier packages. Sky 3D is just an extra dollop of icing on the cake.

It doesn't take long to realise that Sky 3D isn't actually hi-def. Although it uses the HD platform, the image resolution is effectively half that of a 1080p channel. This is because Sky uses a 'side-by-side' broadcasting format. Imagine a single HD frame carrying two near-identical images -- one for the left eye and one for the right. As far as the HD set-top box is concerned, this mess is just another 1080i picture. But, when you engage the 3D mode on your new telly, these two images are geometrically adjusted on top of each other, allowing your 3D glasses to display them as a full-frame 3D image.

No auto-switching

Over the past few weeks, we've auditioned Sky 3D on a variety of TVs, including Panasonic's Viera TX-P46VT20 plasma set. When fed the signal from our Sky+HD 1TB box, the Panasonic TV didn't recognise it as a 3D signal. Consequently, we had to manually select the correct viewing mode.

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Two almost identical images sit side by side on the screen...

This problem is probably due to the fact that no Sky box is equipped with an HDMI 1.4 output. It's this iteration of the HDMI spec that carries all the control codes that lock the 3D source to the screen. Had the signal come from a 3D Blu-ray player, the Panasonic telly would have known what to do with it.

Frogs look better than footie

Given Sky 3D's resolution, we feared that images might look overly soft. But this isn't the case. The picture clarity is akin to that of a decent DVD. This is most evident in the case of Sky's 3D football footage. Although the beautiful game itself doesn't really benefit at all from the stereoscopic process, crowd scenes gain genuine depth -- it really is like looking through a window. The detail is good enough so that you can pick out faces in the crowd.

Sky is taking a different 3D approach to different sports, so results tend to vary. That said, its use of 3D graphics and overlays is consistently great fun. While we were largely underwhelmed with the football, the channel's boxing test footage proved astoundingly involving.

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