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MEMC is a typical TV imaging technology, but it’s still relatively new to smartphones. We will learn about MEMC motion compensation technology in this article!
What is MEMC Technology?
MEMC (Motion Estimation/Motion Compensation) stands for motion estimation, motion compensation , smoother video motion , by increasing the number of frames as well as the motion rate between frames by Special algorithm for higher frame rate to bring smooth effect to viewers.
In addition, MEMC also helps to eliminate image noise from unstable signal sources, reducing ghosting and shaking noise for more realistic moving images. MEMC is a featured technology of television and has now also been brought to smartphones.
How does MEMC work?
This technology is capable of calculating movements and compensating them with a special algorithm. MEMC detects motion in a particular frame and tries to estimate what the next frames might look like. Thereby adding the necessary frames, bringing fast-moving frames with super-smooth and smoother high-speed images, minimizing blur.
By using real-time algorithmic adjustments to insert additional frames into the video file, MEMC allows a video recorded at 24fps or 30fps to be played back at 60fps or even 120fps.
How does MEMC work?
Most current movies are shot at the standard 24fps frame rate. If watching with a 60 / 120Hz screen on a TV or on a smartphone, it will not be smooth. To overcome this, MEMC tries to predict what the next frame will look like and adds it between consecutive frames to compensate for incomplete frames .
If there are only 24 frames to display per second, MEMC will add an extra frame after every odd frame and two additional frames after every even frame for a 60Hz display. Because if the number of frames is 60/sec it will be perfect to be viewed on a 60Hz monitor. If the frame rate is higher, say 120Hz, the number of added frames will be modified accordingly.
What are the disadvantages of MEMC?
When shooting a movie, the director wants to shoot a particular scene viewed in the exact way it was shot. And MEMC tries to add in frames that don’t exist at all, so it looks fake, losing detail on the real picture quality of the movie. Due to the fact that the added frameworks lack structure as they are purely based on algorithmic estimation.
The big and only downside of MEMC in phones is that it will reduce battery life . MEMC will not be enabled by default. You will have to go to Settings > Display and enable Motion Graphics Smoothing. When this feature is activated, your phone may consume more battery power because of the video content you are watching.
How is MEMC applied on mobile phones?
OnePlus 8 is not the first phone with MEMC, but before that, there are Black Shark, Black Shark3, and OPPO Find X2 PRO that also have this technology. Before these phones, MediaTek has released a Clear Motion feature that works similar to MEMC chips since 2015, such as the Helio X10 chip.
OnePlus says it has created a custom MEMC chip that can push regular 30fps video to 120fps. The newly launched OnePlus 8 Pro (April 14) owns 120Hz Fluid Display technology with MEMC.
OnePlus introduces MEMC technology on OnePlus 8 Pro
The MEMC used on the OnePlus 8 Pro works the same as it does on a television. The reason that OnePlus decided to include MEMC in their latest smartphone – OnePlus 8 Pro is to want users to experience the 120Hz display to the fullest .
Since most videos and movies are shot at a standard frame rate of 24/30/60fps, while the OnePlus 8 Pro has a refresh rate of up to 120Hz. MEMC technology is applied on OnePlus 8 Pro to increase the number and frame rate to 120fps , so that users can enjoy smoother video viewing on the 120Hz screen.
Which apps support MEMC on OnePlus 8 Pro?
OnePlus has released a list of 7 apps currently using MEMC technology on OnePlus 8 Pro, including: YouTube, Netflix, Hotstar, Prime Video, VLC, MX Player, and the default OnePlus library. OnePlus said that in the future, it will work with more app and game developers.
Should MEMC be a standard feature on all phones?
High refresh rate display is definitely an issue that most manufacturers are aiming for in the near future. Apple is also expected to launch a new line of iPhone 12 smartphones with a 120Hz display similar to the iPad Pro.
Although screen refresh rates are getting higher and higher, the standard frame rate is still 24 fps for movies and 30/60 fps for most other videos. It is therefore recommended to provide the user with a toggle to enable/disable MEMC so that they can decide whether to go with true normal mode or use MEMC.
MEMC is used for smoother motion video images. Phone users will have great experiences from movies, to TV shows, even sports games. Therefore, MEMC will likely become the standard in flagship phones, becoming the trend of the technology market in the near future.
References: www.techpp.com and www.gizmochina.com
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