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HDV artifact problem
Funny I’ve owned HDV cameras for 3 years and have done a few short HDV clips but have never edited 2 hours of HDV. Here is my dilemma, I export the HDV to a self contained file. I watch the video through the finder and or compress it for DVD and view it through DVD studio pro. In certain sections I see blockiness (artifacting) If I export the video and compress it as SD the blockiness disappears.
Does anyone have any idea what could be going on? I’ve included a snapshot of the footage, pay attention to his shirt in particular.
https://www.maineventweddings.com/artifact.jpg
Thanks a million
Bob Carpenter -
6 Replies
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You are editing with native HDV. It is an extremely compressed MPEG 2 Long Gop format. I would recommend editing with ProRes.
Steve Eisen
Eisen Video Productions
Board of Directors
Chicago Final Cut Pro Users Group -
[Bob Carpenter] “Does anyone have any idea what could be going on? I’ve included a snapshot of the footage, pay attention to his shirt in particular. “
25:1 MPEG-2 compression in HDV. When it’s ugly, it’s ugly. Especially when you have large areas of solid color, a hard line where light and dark meet, or just overall darkness in the image.
Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.STOP STARING AND START GRADING WITH APPLE COLOR Apple Color Training DVD available now!
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So are you saying that there’s nothing I can do about it?
Thanks a million
Bob Carpenter -
[Bob carpenter] “So are you saying that there’s nothing I can do about it? “
maybe some blur. You may not see it so badly in the original HD form. Then you take that and compress it again for SD DVD and that makes bad video look even worse.
You might also invest in something like Episode Pro or BitVice for the MPEG-2 Compression for the DVD. Both are superior to Compressor in final quality and have a lot more control over the compression. You might find something that can help soften the ugliness.
Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.STOP STARING AND START GRADING WITH APPLE COLOR Apple Color Training DVD available now!
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This video has not been compressed. This is footage exported directly from FCP set as Same as Sequence.
To edit in ProRes can I simply import the footage from the HDV Tapes as HDV and drop them into a timeline with ProRes Compression in the timeline settings?
Will this make a difference at all?
Thanks a million
Bob Carpenter -
[Bob carpenter] “This video has not been compressed. This is footage exported directly from FCP set as Same as Sequence. “
Oh, well then you definitely have bad compression there.
[Bob carpenter] “To edit in ProRes can I simply import the footage from the HDV Tapes as HDV and drop them into a timeline with ProRes Compression in the timeline settings? “
We convert everything to ProRes on the way in through the Kona board. But with compression this bad, ProRes most likely won’t solve anything.
What I would suggest is look at Chris Poisson’s tutorial here on the Cow on how to capture HDV to ProRes via Firewire. Then capture that one section of tape to see if there is any difference at all. I’m guessing there won’t be all that much difference since this is in the original image, but you never know.
Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.STOP STARING AND START GRADING WITH APPLE COLOR Apple Color Training DVD available now!
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