Lines in QT HDV footage

With HDV footage why do I see artifacts and lines in my QT files but not in my AIC browser playback?  Which is giving me the real quality?  Is QT the actual digitized media playback?

redpaw wrote:
Which is giving me the real quality?
Well, the correct answer is neither. If your footage is HDV shot in an interlaced format, such as 1080i60, your footage is designed to be played on an interlaced monitor, such as a CRT television. It will not look correct on a computer screen, which is not designed to display interlaced video. So you see the "lines" of the interlaced format when displayed on a computer screen.
The reason that it appears to look OK in Final Cut is that Final Cut, if the Viewer or Canvas is set to any other magnification than 100%, will supress one of the two interlaced fields that make up a frame and display only one of the fields. This removes the "lines" in the display of video (but not in the actual video it self). Here is an example - viewer set to display at 50% frame size:
And now, the same frame with the Viewer set to display 100% size:
So setting the Viewer or Canvas display to any other size than 100% surpresses this artifact (but has no effect on the video itself).
When you view the clip in Quicktime Player, you are seeing the "lines" because it is displaying both fields of the video regardless of the magnification setting:
So, in short, the only way you will see this interlaced video displayed correctly is when you view it on an interlaced monitor. You can do this if you have a Matrox, Aja or Blackmagic video output card or hardware box, or if you were to burn a DVD of your material, and then play the DVD on an interlaced monitor. Interlaced footage is designed to playback on interlaced monitors.
This is not a problem for you. Edit the footage, and then use Compressor to transcode the finished movie into the correct delivery form - web, DVD, etc.
MtD

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