Mpeg2 & Mpeg4 Stream for Digital Projection

MPEG2 compresses the video by discarding the information in portions of the image that do not change from one frame to another, and saving only the portions of the image where new information is added. The MPEG4 compression mechanism is a bit more complicated compared to that of MPEG2, as it needs better algorithms to scan and determine which pixels can be discarded, to reduce the data even further.

Summary :

  • MPEG2 encoded video files are much bigger compared to MPEG4.
  • MPEG2 requires a lot more bandwidth for streaming compared to MPEG4.
  • MPEG2 produces the best video quality compared to MPEG4.
  • MPEG2’s compression is much simpler compared to MPEG4.
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