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The 2-line converter creates a new line by comparing two adjacent lines, whereas a 4-line model compares 4 lines to average the 5th. Interfield interpolation reduces judder, but at the expense of picture smearing. The greater the blending applied to smooth out the judder, the greater the smear caused by blending.
The preferred method for doing a 2:3 creates only one dirty frame in every five (i.e. 3:3:2:2 or 2:3:3:2 or 2:2:3:3); while this method has slightly more judder, it allows for easier upconversion (the dirty frame can be dropped without losing information) and a better overall compression when encoding.
In the United States and other countries where television uses the 59.94 Hz vertical scanning frequency, video is broadcast at 29.97 frame/s. For the film's motion to be accurately rendered on the video signal, a telecine must use a technique called the 2:3 pull down (or a variant called 3:2 pull down) to convert from 24 to 29.97 frame/s.
In the case of material shot on video, improvements in smoothness just from having a higher refresh rate may be barely noticeable. [11] In the case of filmed material, as 120 is an even multiple of 24, it is possible to present a 24 fps sequence without judder on a well-designed 120 Hz display (i.e., so-called 5-5 pulldown).
Tropical Storm Sara is "meandering" off the coast of Honduras, bringing heavy rain, “catastrophic” flooding and mudslides to portions of Central America, forecasters say.
2. What Happened? An Olive Garden customer took to social media (complete with photo) to complain their breadstick had writing on it. “Guys why is there letters on my Olive Garden breadstick ...
A typical video tearing artifact (simulated image) Screen tearing [1] is a visual artifact in video display where a display device shows information from multiple frames in a single screen draw. [2] The artifact occurs when the video feed to the device is not synchronized with the display's refresh rate.
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