The short answer
It is motion interpolation, on by default under a different name on every brand: Auto Motion Plus on Samsung, TruMotion on LG, Motionflow on Sony, Motion Rate on TCL. Turn it off, then switch the picture mode from Vivid or Standard to Filmmaker, Cinema or Movie. Two settings, and the picture stops looking wrong.
Films are shot at 24 frames per second, and that frame rate is a large part of what makes them look like films. Modern televisions generate artificial frames in between to smooth motion, which is useful for sport and actively destroys the look of everything else. The result is what people call the soap opera effect: expensive drama that suddenly looks like it was shot on video in a studio.
What to turn off, by brand
- Samsung — Settings, Picture, Expert Settings, Auto Motion Plus. Set to Off, or Custom with Judder Reduction at zero.
- LG — Settings, Picture, Advanced, Clarity, TruMotion. Off.
- Sony — Settings, Picture, Motion, Motionflow. Off.
- TCL and Hisense — look for Motion Rate, Action Smoothing or Motion Enhancement.
- Panasonic — Intelligent Frame Creation.
Note that these settings are often stored per input and per picture mode, so turning it off for the streaming app does not necessarily turn it off for the games console. Check each input.
The other settings worth changing on a new TV
Televisions leave the factory configured to stand out on a bright shop floor, not to look correct in a living room. Three changes transform the picture:
1. Picture mode
Switch from Vivid, Dynamic or Standard to Filmmaker Mode, Cinema or Movie. These come closest to the industry standard the content was actually produced to. It will look warmer and dimmer at first, which is your eyes adjusting from an artificially blue, oversharpened image.
2. Sharpness
Set it to zero, or the manufacturer’s neutral point. Sharpness on a digital display does not add detail; it adds artificial edges and halos around objects, which obscures real detail.
3. Noise reduction
Turn it off for any modern source. It exists for noisy analogue signals and on clean 4K it smears fine texture such as skin, grass and fabric.
What to leave on
- Local dimming on a LED TV — improves contrast substantially, though on some sets a lower setting reduces haloing around bright objects.
- Game mode for consoles — it disables heavy processing and cuts input lag, which is the single most important setting for gaming.
- Motion smoothing for live sport, if you like it. Many people genuinely prefer it there, and most TVs let you keep a different setting for that input or mode.
The correct settings look dull for the first few days because you have been acclimatised to an oversaturated, blue-shifted picture. Switch to Filmmaker or Cinema mode and leave it alone for a week before deciding. Almost nobody switches back.
Frequently asked questions
What is the soap opera effect?
It is the look created by motion interpolation, where the TV invents frames between the real ones. It raises the apparent frame rate of 24fps film to something closer to video, which the eye reads as cheap.
Does turning off motion smoothing cause judder?
You will see the natural judder of 24fps film in slow pans, which is how it looked in the cinema. Some sets offer a low judder-reduction setting that takes the edge off without the artificial video look.
Is Filmmaker Mode worth using?
Yes. It disables the processing that distorts the image and targets the standard the content was mastered to. It is the fastest way to get an accurate picture without calibrating anything.
Why does my TV look worse than in the shop?
Shop floors run TVs in Vivid mode under bright lighting to stand out. That mode is wrong for a living room, and it is also why the picture looks harsh at home until you change it.
Motion smoothing off, Filmmaker or Cinema mode on, sharpness to zero. Three settings and most TVs look dramatically better.
