• Compression Techniques

  Compressing to mpeg2 from HDCAM

  Posted by Lili Lab on February 7, 2006 at 5:05 am

  Hi, I’m working with HD created images, to be displayed via projector in a gallery, as well as also shown on SD monitors. These are the problems I have:

  1. create a 16:9 mpeg2 via
  a) using compressor from FCP
  b) using a set top recorder via terenex from HDCAM

  Results:

  a) when playing it back on my computer I get letterbox image, but left and right sides stretch to the edge of the screen. Looks letterboxed when projecting. Waste of vertical space when projecting

  b) terenex makes mpeg 2’s look good quality wise, but generates a black border around entire image — hence it’s smaller than compressor mpeg2

  2.** for projecting situtations, the best that I’ve encountered, and please correct me if I am wrong on this, is to create an anamorphic 4:3 DVD, for “Stretch” when played back through projector. That way I make use of the most space possible. I would make an Anamorphic 16:9 dvd, but it distorts the image, making it look stretched.

  Please advise. Also, would you say the quicktime compressor is as good as a terenex? I don’t understand the different border situation.

  Thanks!

  lili

  Lili Lab replied 20 years, 3 months ago 1 Member · 0 Replies
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