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Non-Linear Editing on the PC
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Old January 29th, 2005, 08:24 AM   #1
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16.9

Sorry if iam on the wrong thread but here goes!

I have pinnacle liquid 6, can enybody tell me whats wrong with useing the 16.9 facility? if its ok, and i need it, it would stop the need for a camera that shoots true 16.9 or is there some sort of picture loss with this way.
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Old January 31st, 2005, 09:03 AM   #2
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I running LE 5.6 and have been struggling with how to produce 16:9 from 4:3 footage. When you edit the 4:3 in the 16:9, basically what it does is stretch the footage to fit, similiar to what a 16:9 TV does. I authored a DVD with the same 4:3 footage at 16:9 and 4:3. I couldn't see a noticable difference on the TV. The TV will play the 16:9, but it's already stretched. It plays the 4:3 and the TV stretches it. They looked the same. After weeks of searching, I have found a possible solution. Take 4:3 footage and into a 16:9 project. Now what you need to do is use the 2d editor and crop the footage to 133%, which means that you will be zooming in 33%. You then have a little extra footage that you can move the footage up or down a little for framing purposes. I did a quick test with some 4:3 GL-1 footage and it looked pretty good. No noticeable resolution loss. If you have 16:9 footage that you want to make 4:3, you do the oposite and put it in a 4:3 project then reduce the footage by 25% to 75%. I'm running a 2800+ Athlon with a 1 gig of ram and noticed that it took me about 4 minutes to render 1 minute of 4:3 footage to 16:9. I hope this answers your question.
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Old January 31st, 2005, 02:00 PM   #3
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Thanks David,

I will look into that, it would be great if it does the trick, and give's you good 16.9. I just wonder if it matches the cameras that give you true 16.9.
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Old January 31st, 2005, 03:06 PM   #4
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If it's shot correctly, it should look pretty good, but it won't be as good as something shot in native 16:9. You'll have to be the judge if it will work for your project. Have fun. If you learn anything new, please let me know.
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Old February 8th, 2005, 02:15 PM   #5
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David,

Can you go into more detail please, you say you crop you footage
does that mean from top to bottom or from left to right.

thanks
Ian
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Old February 8th, 2005, 03:59 PM   #6
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What you want to do is after you make the 16:9 project, use the 2d filter and change the size of the clip to 133% instead of the 100% that it already is. It will look like you have zoomed in on the clip, which you have. You then will have a little play with moving the clip left or right and up and down. So your letting the viewable window do the cropping for you. I hope this explains it a little better. For 16:9 to 4:3 you do the reverse, reduce the clip by 25% making it at 75% actual size, basically zooming out of the picture.
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Old February 9th, 2005, 05:41 AM   #7
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David: just for your information it is written as 16:9 (or optionally
as 16/9) and not 16.9! What's the difference, the . is a fraction
indicating a number.

16:9 is actually 1.78 as a number (divide 16 by 9) to get the
aspect ratio as a number. Or the horizontal is 1.78 times larger
than the vertical if the pixels are SQUARE (pixel aspect ratio is 1.0)
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