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Disable motion smoothing on a Roku TV

  TCL Roku TV Interface

Roku TVs sometimes use a technology called "action smoothing" to artificially speed up video frame rates, but they often appear fake and ruin the cinematic look of movies ,

What is "Action Smoothing" anyway?

Action Smoothing is the motion smoothing implemented by Roku, which is common in high-end televisions. Motion Smoothing works by increasing the frame rate of the video on the TV. With more frames, the movement softens, but there is a problem: Since there is no way to create new frames from scratch, two frames must be used to figure out what "between frames" is. This leads to a large number of motionless images and a whole series of artifacts.

Roku says, "Action Smoothing" reduces the "motion blur", which is so far. It can help you to see fast-moving objects easier, but adds some blur to the intermediate images to soften them. This may be suitable for fast action events like sports, but movies and TV shows can look weird.

This feature is not included on all Roku TVs. We could not find it on any of our TCL Roku TVs, but some manufacturers include it.

RELATED: Why is the image of my new HDTV faster and smoother?

How to turn off action smoothing

Fortunately, you can disable this feature on your Roku TV. Roku hides the option under "Advanced picture settings" in the menu, which you can open by pressing the "*" button under the directional field of the remote control. Note that how this button works changes depending on what appears on your screen. It does not work on the Roku home page or on the start pages of streaming video apps, all of which use the "*" button for other purposes. You must play a video in a streaming app to access the menu. You can also access the menu simply by pressing "*" if you have selected a specific HDMI or other input on your TV ̵

1; then you will not need to play a video.

If your Roku has motion smoothing, you will do so. For more information, see "Measure Smoothing" in Advanced Picture Settings. There are four different levels of action smoothing that you can choose: High, Medium, Low, and Off. If you only want to remove the motion smoothing effect, select "Off". In the other levels, less motion smoothing is used, but the content is still interpolated. (If you can not see the action smoothing options, your Roku TV will not have motion smoothing.)

Your Roku TV stores your settings, but has different settings for different types of content. Here's what Roku says:

The action setting settings are unique and persistent for each input and for each content type (for example, 1080p, 4K, 4K HDR). For example, if you have a 4K Blu-ray ™ player connected to HDMI 1, you can apply a different Action Smoothing setting for 1080p movies, 4K movies, and 4K HDR movies. Each time you return to HDMI 1 to play a movie, the Action Smoothing setting automatically returns to the assigned value depending on the type of content displayed.

If you have other problems, you should read the Roku TV manual for additional help.

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