Samsung links to this article to explain CMR, which is great (there's this one, too), but it doesn't list the actual refresh of its TVs in the specs section for TVs (only the Clear Motion Rate is listed).

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, […] incorporates TruMotion 120Hz technology in combating distortion when viewing fast moving images. Still have a question?

The first is a scanning or flashing backlight. For the purposes of this article, 50 and 60 work the same, as do 100 and 120. and "What is the 'Soap Opera Effect'?".

Emphasis, mine.

For my own sanity, and ease of reading, I'm going to stick with 60 and 120, but feel free to read that as 50 and 100 if you're in the UK, Australia or any place that has 50Hz electricity.

GPU companies AMD & NVIDIA has come up with technology the Freesync & G-Sync respectively. One of the latest marketing techniques, shall we say "gifts for fiction," is using different technology to approximate the effect of a higher refresh rate, without actually driving the TV at the higher rate.

That just depends on the electricity in your country. Sharp AquoMotion "AquoMotion 960, Sharp's backlight scanning technology, quadruples the effective refresh rate to hit you with all the power that fast-moving sports and movies can deliver." You can also send him a message on Twitter @TechWriterGeoff or Google+. But while that set has the smoothing and motion resolution we expect from a 120Hz TV, the E0i-A1 series has neither. There are two things at play here. 120 Hz – a frame rate of 120 frames per second is used in countries with an electric network frequency of 60 Hz. Only one TV seems to have TruMotion 480Hz.

Not entirely. "Samsung's more comprehensive Clear Motion Rate takes into account all three factors that contribute to motion clarity: panel refresh rate, image processor speed, and backlight technology." Effective refresh rate means the TV refreshes its image at a lower rate, but might appear to have similar motion resolution as a TV with an actual higher refresh rate. It's also worth checking reviews for measurements and subjective takes on how the TV handles motion -- that's more useful than any manufacturer-supplied spec. Refresh rate is how often a TV "refreshes" or changes the image on screen.

Here's what David found out with this year's E420i-A1: "Vizio actually uses the term '120Hz effective refresh rate' on this and other TVs, including the E601i-A3. Since the one ClearScan 120Hz TV we've reviewed of Toshiba's this year was most definitely a 60Hz LCD, it's, ahem, clear the company is taking liberties in what "120Hz" actually means.

Since some TV manufacturers don’t show the real refresh rate on the specifications sheet, you’ll have to look for a detailed review of the TV if you want to know both its native refresh rate and its effective/simulated refresh rate.Also, keep in mind that TV refresh rates aren’t the same as monitor refresh rates.An This new technology, in newer HDTVs, creates frames in between frames and then interpolates them, essentially making movies, games, and TV shows appear that they are running at 60fps, even if in reality they are only natively 24-30fps. Also added televisions able to create intermediate frames of two adjacent but artifacts that occur when creating the intermediate image, and the playback delay time depends on the signal processing (the more dynamic components the longer it is necessary processor for processing), spoil the whole picture. There are two main methods. Discussion threads can be closed at any time at our discretion. I recommend checking out BlurBuster's great article for more info. The point of a higher refresh rate is to reduce the motion blur inherent in all current TV technologies. © 2020 CNET, A RED VENTURES COMPANY. We delete comments that violate our policy, which we encourage you to read. With the current HDTV system, this is the maximum you can get from any source. Got a question for Geoff?

No wait, 240.

Panasonic's 120Hz/240 Backlight Blinking Technology delivers optimal sharpness, clarity, and contrast with virtually no image blur.". "Toshiba ClearFrame 120Hz doubles normal 60Hz performance to reduce blurring caused by fast-action video.

Marketing is designed to sell you a product, not give you information about a product.

Save my name, email, and website in this browser for the next time I comment. More on these settings further down. In other words, a "240Hz SPS" is a 120Hz TV with a scanning backlight. This effectively means the image doesn't "hold" in place, so your brain doesn't blur it.

He won't tell you what TV to buy, but he might use your letter in a future article.

Note: This article was originally published in 2015 but was updated in 2019 with current info and links. should i enable On others it lists a number along with the native refresh: "Motionflow XR 240 (native 60 Hz)" and "Motionflow XR 1440 (native 120 Hz).".

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