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What iDVD ‘08 Compression Options Really Mean
By MacOSXHints.com | August 15, 2008
Every time I’ve used iDVD ‘08 and reached the point of checking the Project Info pane’s Encoding options, they never make complete sense, even after searching the web for answers. I’m in the process of transferring my Laserdiscs to DVDs and have now built up enough experience that I think I’ve figured this all out. Here’s what seems to be going on.
The gist of the confusion about encoding is that the word “quality” is used in two different ways. There is the quality of the rendered video to be burned on the DVD, which is really what is important. But, unfortunately, the word quality also appears in the naming of the compression algorithms used, Best Quality and Professional Quality. This latter use is ill-advised, because the amount of compression applied to your video may or may not affect the quality of the video you end up with.
We all understand the meaning of picture quality, and iDVD ‘08 usefully indicates final DVD video quality via a color grading scale, from g…
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