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Q&A

Why is interlaced footage still being used in professionally-produced videos shot with high-end cameras?

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I am not a video expert, but I am sometimes surprised to see interlaced footage in professionally-produced videos shot with high-end cameras. This often gives "combing" artifacts to videos (Youtube videos for example). Some prominent examples can be found in the following videos:

  • PBS News Hour: the man's arms moving at time 01:42 in this video

  • Street League Skateboarding: the skateboarder doing an ollie at time 19:57 in this video

It is surprising to me that such professional productions have these artifacts, which significantly reduce the video quality. My questions are:

  • Am I correct to assume that these artifacts are due to the camera shooting interlaced video?
  • Why is interlacing still used in modern cameras and broadcasts, when it seems that most people are watching on their computers or on streaming services?
  • Why isn't the interlaced footage deinterlaced before it is posted to a website like Youtube, which only supports progressive video?
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