Get past these niggles and the advantages offered by DLP are numerous. This is most notably reflected in the Axium's brilliant contrast range, which enables it to run the entire brightness gamut from deep black to piercingly clear white; just try replicating that on a plasma screen - it can't manage it.
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Although the smaller Sagem DLP TV we looked at a couple of weeks ago proved that the French company certainly knows its DLP onions, we frankly doubted that the same sort of quality could be maintained on a screen as big and affordable as the D56B. But we’re happy to say we were wrong.
The lack of video noise visible in the picture is particularly amazing. HD and progressive scan pictures look more or less completely immaculate, with no grain, dot crawl, motion noise or edge shimmer at all. More surprisingly, even fairly low-rent sources like a Sky One standard definition broadcast look smooth and polished. And remember, we’re talking here about a standard definition picture that the TV is stretching to fill a mammoth 56in screen – way bigger than the standard definition format was ever supposed to go.
While we’re on the subject of noise, it’s a relief too to discover that digital feeds via the set’s DVI socket are largely free of the blocking artefacts witnessed with similar feeds on some rival HD Ready TVs.
Next to impress is the D56B’s colour tone, as the set combines eye-catching vibrancy with outstandingly natural tones during practically all scenes be they bright or dark. The tones also stay natural with all sources, be they standard or high definition. This all makes a refreshing change from the slightly weird colour tones experienced with some of our test scenes on many of the D56B’s flat panel rivals.
If rear projection TVs tend to have a fault, it’s that they’re not very bright. But the D56B is having none of that, pumping its picture out with plenty of vim – especially if you’re not using the Eco mode.
We’re not necessarily saying that you shouldn’t use the Eco mode, though, as you may like what it does with the TV’s black levels: that is, take them from very good all the way to excellent. Rare indeed are flat TVs that can make dark scenes look as, well, dark as the D56B. The blackness doesn’t seem forced either, as black parts of the picture still contain enough subtle details to give them a sense of depth.
Rear projection TVs are often considered to fall slightly short when it comes to sharpness. But again the D56B confounds this argument by looking every bit as detailed and clear with high definition as a good plasma TV.
Even the mighty D56B, though, can’t completely escape a couple of DLP technology’s traditional problems. First, during horizontal camera pans you can sometimes see fizzing noise over certain colour tones – especially people’s skin. Also, you can sometimes detect momentary flashes of colour striping over bright parts of the picture – a DLP phenomenon known as the rainbow effect. But aside from this not really terribly annoying duo, everything is sweet.
Just so you know its not my opinion, professional AV reviewers as well