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Re-encoding MPEG2
Hemant Kamat [Avatar]
Newbie Joined: Mar 11, 2013 00:30 Messages: 18 Offline
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I'm trying to stabilize a DVD 720x576 50i recording of a social occasion. I have imported the MPEG2 files into PD11 and applied the Video Stabilize filter, including the fix rotational camera shake option. The output, when previewed at high quality, is almost as clear as the original with very minimal blurring. However, when I produce the project to MPEG2 (HQ DVD,) the resulting video is "soft." For example, facial features of people that were sharp in the output preview are now blurry. Is there a better way to obtain the same quality output as the preview?

This message was edited 1 time. Last update was at Aug 12. 2013 00:18

Dafydd B [Avatar]
Senior Contributor Joined: Aug 26, 2006 08:20 Messages: 11973 Offline
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Quote: I'm trying to stabilize a DVD 720x576 50i recording of a social occasion. I have imported the MPEG2 files into PD11 and applied the Video Stabilize filter, including the fix rotational camera shake option. The output, when previewed at high quality, is almost as clear as the original with very minimal blurring. However, when I produce the project to MPEG2 (HQ DVD,) the resulting video is "soft." For example, facial features of people that were sharp in the output preview are now blurry. Is there a better way to obtain the same quality output as the preview?


Hi Hemant Kamat,
You need to "rationalize" the edit changes you're carrying out. Segment the video and apply the corrective action to a limited place and NOT to the whole video.
I believe you're re-rendering an mpeg2 and by doing so, with the changes you've made you are losing quality. Multiple rendering of mpeg2 video will lose quality. You need to be very careful where you're applying the changes. SVRT will only function (this is what will stop the loss of quality) where you have made no changes to the video.
I hope that helps. Let me know how you get on.
Dafydd
Hemant Kamat [Avatar]
Newbie Joined: Mar 11, 2013 00:30 Messages: 18 Offline
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Hi Dafydd,

Yes, I have applied the stabilizer to the whole video and am quite satisfied with the resulting preview in the edit tab (preview quality set to high.) But producing the file to MPEG2 degrades the picture quality as mentioned in my original post. Is this normal with PD?

Is there any other "temporary" format I can produce to with the same quality as the preview, and then convert to MPEG2?

Thanks for your help.
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