Hi again,
I know what it is like to go through the frustration of editing, only to have the final production look average due to poor rendering/compression.
If you are going to use DVD profiles for your final output the customisable MPEG2 settings are accessed from here (see image)
Obviously the higher the settings (bitrate, speed quality etc) the higher quality you would expect - but be aware that once you start straying too far from the "standard" pre-set profiles, you may start to come across compatibility issues with the final file not working on hardware that only supports "standard" settings, or is not as powerful as your hardware.
I have been unable to successfully use the highest settings (for a number of the different profiles) as my hardware is not up to the task.
I note your system specifications are top notch, so you should have no difficulty using any of the extreme settings.
I have found from my mucking around the following to be important:
1. Try to always work with the same profile from start to finish and lock it in if possible or create your own customised profile.
2. Check (and re-check) constantly the aspect ratio, interlace settings, Bit Rate, audio profile etc as if they get out of whack (and they can from time to time) then your final result will be ruined
3. Save your project regularly - to recover from crashes, or to pick up from where you left off after trying yet another profile to try and raise the quality to something close to the source file!
4. The PD8 Ultra version has higher quality and more burning options than the Deluxe version
5. Best results for MPEG2 settings seem to come from:
Select preferred Resolution - I use default 720x576 (DVD PAL) - but your system should handle higher resolutions without a fuss.
Video Rate Control Mode - set to CBR (default is CVBR) 8000 kpbs
Speed/Quality - set to 7 (highest) (default is 6)
Audio - Dolby Digital Stereo 256 (default setting)
Frame Type - Top Field First for Interlaced video (default) or Progressive for Progressive framed video
By setting the Video Rate Control to CBR (Constant Bit Rate) and Speed/Quality setting to 7 you should be able to take advantage of SVRT as you work with your project, (as long as all the elements of of your project share the same settings) and be able to re-render effects and additional edits without losing quality. If the Video Rate Control is left on CVBR then each time you re-render or edit, the quality will drop.
6. Due to my systems poor specifications I have settled on using DIVX 720HD profile (similar to MP4 but seems to be more DIVX certified machines around at the moment compared to MP4 certified players) to get the best quality output vs rendering and file size. Most of my family have some sort of USB/DIVX compatible machine and it is a convienent format for me to work in. The 1080HD DIVX profile is not compatible/suitable for most of the older DIVX certified equipment I have come across in my family.
7. The best tool I've come across with PD8 to improve my videos has been the Video Stabilise option. Note that some of the FIX/ENHANCE tools work slightly different when using analogue captured video versus Digital Video.
I'm curious if anyone has experience with more specialised DVD authoring products - and if they make a noticeable difference when burning disks. I'm only now beginning to appreciate that every little thing you do with a piece of video has the potential to affect the final output.
I am guessing therefore that the basic disc burning function of PD8 is just that.... a basic disk burning solution that could be improved on with a more fully featured DVD authoring product.
Cheers
Roy
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MPEG2 Settings.JPG |
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MPEG2 Profile Settings |
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This message was edited 2 times. Last update was at Nov 10. 2009 01:53
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