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Please Explain: 100Hz

One of the newest features to appear on flat-screen TVs is 100Hz motion compensation, but what is it and how does it work?

100Hz technologies such as Samsung's Motion Plus aim to combat judder and ghosting effects by adding extra frames to program material, and this can also make fast-moving content such as sport appear smoother.

These new frames are not simple duplicates but "interpolated" -- for example, the TVs processor works out where a football should be between one frame and another and inserts it at the midway position. Depending on the complexity of the scene there can be up to 25 extra frames inserted.

However, there are some problems with this budding technology, and these usually take the form of haloing and ghosting. Watch the video for more information.