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workflow for exporting/compressing files for web
Just wanted to throw my workflow out there to do with compressing video for the web (progressive download)
I’m new to it- reasonably happy with my results but thought i’d run a few things up the flagpole.I export out of avid as QT movie (animation best quality) 320×240 and select sq pixel 16×9.
Sorenson- I just use the presets- Large- about 900kpb/s, medium about 400kpb/s, small about 200 kpb/s. This encompasses QT, Windows media, MPEG4 and Real Media.
My q’s…
1: the presets though a little “furry looking” seem a fair quality but is it worth squeezing a little more out of them? (I’m working in dv25)
2: In regards to 400kb/s what can this file type be used for? reading around the forums here suggests 200 kpbs for dial up and around that 900kb/s for broadband.
3: is it worth deinterlacing the files being they will play on progressive computer monitors?
4: the producer has enquired with me about increasing the screen size of the 200kb/s file… is it worth trying this or should dial up people just have to deal with a tiny size?
5: Any other worthwhile tips- if u have time?
Regards,
Dale… -
1 Reply
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First, I would come out of the Avid at 720X480 – no sense in compressing your file twice. I’d also use QT reference – especially if you are encodeing on the same computer. The reference file is a pointer and uses the original OMF files, so you start with a higher quality, especially important with DV. Basically, all your settings coming out of the Avid should be same as source.
There is a filter in Sorenson (depending on which version, it’s either a little wrence at the top of the window or a preset you can create) I set to NOT deinterlace. I’ve had great success with that.
As for the presets, they’re fine – I suspect once you come out of the Avid with a larger file, you’ll see a noticable increase in quality.
Jon
“The Almighty tells me He can get me out of this mess. But He’s pretty sure you’re F%$#*D!”
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