Problems with quality in iDVD

I've been trying to burn a DVD using iDVD. I created a several videos in iMovie HD at 720p Quality. All of them look great in iMovie and are excellent quality when exported to .mov files, but when I place these iMovie projects (or the .mov files) into iDVD and burn them, the quality is dropped substantially. The size of the imported video is 2005 pixels by 1504 pixels in H.264 codec before it is imported into iMovie, and the quality from source file to iMovie is essentially the same. I've changed the quality to professional in iDVD and this has done nothing to the quality
Any thoughts or suggestions would be incredibly helpful. Thanks!

Mike,
I had the same problem. I still have not been able to burn DVD's with iDVD even close to the same quality as the iMovie project looks, or even how the iDVD project looks.
Here's my work-around:
Instead, I first save the iDVD project to a disc image. I then use disk utility to burn the DVD. The quality of the burned DVD is significantly better when done this way-- in my experience anyways.
Here's what to do:
In iDVD, go to File>Save as Disc Image...
After you have created the disc image on the desktop, then open up Disc Utility.
Next, follow the instructions from http://support.apple.com/kb/HT2087 which I have pasted below:
Disk Utility (Mac OS X 10.3 or later)
Open Disk Utility, in the Utilities folder (/Applications/Utilities).
If the disk image you want to use doesn't appear in the list, drag its icon to the Disk Utility window.
Select the disk image and click Burn.
Insert a blank CD or DVD into your computer's optical drive and follow the onscreen prompts.
Disk Copy (Mac OS X 10.0 through 10.2.8)
Open Disk Copy in the Utilities folder (/Applications/Utilities).
From the File menu, choose Burn Image. Don't open the disk image file before choosing this command.
A navigation dialog appears. Locate and select the disk image file.
Click Burn.
When prompted, insert a blank disc into the optical media drive.
Click Burn.
Depending on your computer's settings, the drive will eject the disc, or it will appear on the desktop when the burn is successfully completed.
Note: When burning a disc from a disk image, the burned disc will have the same format as the disk image. If you need a disc that will work on different computers, burn the disc in the Finder.
I hope this helps.
Regards,
John

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Quote
Originally posted by midhat
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