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strange picture quality
Hi all
Ive recently finished a project shot on HDV and 720p and burnt to dvd
I worked under a HDV50i codec, I rendered with best settings with high precision YUV, and compressed using compressor 2pass 6.5/7.9.Problem. The finished DVD looks O.K but It is noticable(especially in scenes with motion that peoples faces and skin tones look ‘cartoonish’
ie, if you were to make a face in photoshop using the colour brown then add shading areas with a slightly different shade of brown and then blur the two. comprende?Theres no filter or anything like that applied and its not ridiculous but it is noticable.
Is this maybe the limitations of shooting HDV and mpeg compression or Am I doing something fundamentally wrong?
Any suggestions?
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4 Replies
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Hi Peter,
Are you making an HD or SD DVD?
Anyway I think that, if you can, you should rise the data rate.
How long is the clip?
Rafael -
Thanks Rafael
The Dvd is SD and the finished product is about 15 minutes.
By data rate do you mean the bit rate?
I was under the impression you should aviod going over 6.5/7.9 because it may not play on some dvd players.
This is to be distributed to around 3000 clients so I dont really want to risk that. -
Hi peter,
The DVD players have improved during the last few years.
A normal player can read easily 9 Mbps. This would be the total bit-rate video+audio.
If you are using only one audio channel AC3 top quality, this will take 448 Kbps.
You can still rise your video data rate to 8.5 Mbps (Peaks).
Try 7/8.5 and you still will have room.
If you go to print the DVDs for distribution, think that those disks plays always better than the disks copied in computers.
Another thing. You set your sequence in “High Precision YUV”. That’s alright because your sequence will be processed in 10b. But if you want Compressor keeps the pipeline in 10b, you need to set “Frame Control: ON”, otherwise Compressor will work in 8b.
My workflow is similar than yours. I shot EX-1 and normally end up in DVD.
But I make the downconversion HD>SD in FC.
When my EX-1 sequence is cut, I drop it in a Proress HQ or 10b Unc SD sequence. Set it in “High Precision..” and Motion Rendering BEST.
When I’m happy with the movieI send it to Compressor where just need to be transcoded to MPG2 with current setting. faster and cleaner. No awful surprises after hours of rendering.
rafael -
Thanks heaps mate, will try
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