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How Do I Export AVCHD Footage in a Loss-less format?
I have a couple large file sized projects that (I think) I need to export and then edit back together.
I dont want to lose quality.
I shot 20 hrs in AVCHD (720p 24fps), then exported as 1fps hi res tiffs, then imported into multiple projects. I imported them into multiple projects because I was maxing out the allowed file size in a single project. Each tiff is 3MBs
Now I have 4 HUGE PP projects that I need to export and edit together, then export again as 1 video. Any suggestions on the proper way to make these exports? Any advice at all would be a huge help. Im stressing out over here!
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5 Replies
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I don’t think its possible.
You would need a NASA computer to edit in true lossless non compressed HD footage. You’re footage should be MPEG2 or MT2, but editing anything HD and non compressed is probably not possible, the files are simply too huge.
Unless you mean you have HD MPEG2 footage now and you want to export it and bring it back with out any loss, I’m not sure you can do that either cause once you export it and bring it back then export again you will lose some clarity.
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Ok, then I have a revised question. What I have is a ton of tiff files in a couple projects that need to export out, then I need to string em together, then export again for on the web use.
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I am loss as to why you would go from AVCHD to sequences in a tif… and… then want to export out for the internet from a tif?
tif is a pretty good aniamtion/sequence file format for quality to file size… but, you can get pretty good near lossless video formats will small file size in a lot of other file format options.
With out knowing the particulars of your workflow (and reasons for going from AVCHD to tif), I would say the best export options would be a any quicktime progressive format. But… a mpeg progressive format would probably work as well.
No matter the video file format you decide… in terms of quality loss… most of your quallity loss is converting from the AVCHD to tif conversion.
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Joe, I shot in avchd because that is my camera format. I output tiffs at 1fps because the goal is to create a timelapse video. I didn\’t know any other way to get this effect than outputting stills. And tiffs seemed like the best option. I thought about just speeding up the footage, but it doesn\’t have the real timelapse look and feel.
If you see a better way, please let me know.
I appreciate you taking the time to post.
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If you have Avid liquid… you can just add a linear time warp and make it any frame per second you want.
Or… in AE, you use time warp… I believe you use Frame or Whole Frame method…to get a time lapse look. I also believe you can use Posterize time by simply changing the frame rate (Posterize Time is easier to use if my memory is correct). I am not certain, since I use Avid Liquid to create this look because it is sooo much simplier and faster than using AE. Perhaps someone else can chime in and be more specific.
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