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It's pleasing to discover that in terms of features, Resolution+ is merely the tip of a rather magnificent iceberg. Supporting the headline act is Active Vision M100 HD, the all-singing, all-dancing version of Toshiba's original picture-boosting technology, which throws blur-reducing 100Hz processing into the bargain.
The feature list also includes a 1,920 x 1,080 resolution and a 5:5 pulldown mode for judder-free 24fps Blu-ray playback, plus other Toshiba stalwarts like Wide Colour Gamut, x.v.YCC colour space support, Active Backlight Control, Auto Contrast and the sensational ‘Full Power Down' feature - a.k.a. the off switch. The contrast ratio is quoted at an extraordinary 30,000:1 (courtesy of the Dynamic backlight mode) and brightness is 500cd/m2. On the audio side, SRS WOW is on hand to expand the stereo soundstage.
Those who like to tweak the picture to perfection will find a reasonable amount of stuff to play with, ranging from the basic colour, brightness and contrast settings to the more advanced Colour Temperature and Base Colour Adjustment, the latter allowing you to set the levels of individual tones. There's also a range of presets to choose from, including a Game mode that delivers a more natural picture when playing PS3s, Xbox 360s and the like.
We're big fans of the user interface, which makes the 46ZV555D extremely pleasant to use. The options are well structured and crisply presented, and we like the way the boxes drop to the bottom of the screen when selected, allowing you to see the results of your tweaking straight away. The whole thing is controlled using a brilliantly intuitive and clearly labelled remote.
But the big question is: does Resolution+ live up to the hype? It certainly does. The extent of its picture boosting benefits isn't initially clear, but once you start turning it on and off in the setup menu you can really see how much difference it makes. With pictures from the built-in Freeview tuner or 576p DVD images, Resolution+ instantly throws everything into sharper focus, making edges look cleaner and more pronounced and improving the clarity of fine detail. It's most clearly demonstrated by the scrolling text and graphics on Sky News - the words are more focused and steady, plus the detail on the newsreader's face suddenly become a lot more prominent.
We also tested out the deck's upscaling with the Silicon Optix Benchmark disc (played via Scart from a non-upscaling DVD player) and the tricky test patterns highlights just how good its upscaling is - there are absolutely no jaggies on the rotating bar pattern, even when the diagonal lines reach the most acute angle, plus fine detail is crisply resolved and it handles the flapping flag clip with all the skill and smoothness of a good upscaling DVD deck.
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