Frame Rates

Frame Rates

In television, and in computer video displays, the frame rate is the number of frames or images that are projected or displayed per second(FPS). That means the smoothness of the video.

L0112_FrameRates

There are 60 fps and 24 fps in this picture.  You can see lots of frames. 60 fps is more many frame than 24 fps. This means, during one second, 60 fps is more smooth than 24 fps.

This is video. As big as the number is, the video is smooth. If you see this video, you can understand more easily.

framerrate

  • PAL( Phase Alternate Line ) is 25fps. This means, runs 25 progressive frames per second. PAL is used in Europe and China. First start was Germany broadcasting company. PAL has more better resolution than NTSC. Because PAL use more high bandwidth than NTSC.
  • NTSC( National television System Committe ) is 29.97fps. This is general world frame rate. Lots of country used NTSC style for example US, Canada, Japan. Korea use NTSC too. This is color TV style. FCC chose this style in 1954.
  • SECAM( sequential couleur a memoire) is 25fps too. SECAM made in France and Soviet Union.  This is different  between PAL and NTSC. SECAM has a big problem. Black and white TV never support SECAM reception.
  • In film, frame rates use 24fps. All movie use 24fps. However Hobbit film used 48fps. It is double frame rate. When people saw Hobbit movie, they felt “It is not good video, because I’m familiar with 24fps speed. It looks to smooth”.
  • CCTV use 3-5fps. If you see 3fps something, maybe you can feel stop stop stop. Not good. 5fps is more better than 3fps.

If you make a video, you can choose frame rates speed like this.

video-frame-rate

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