Well I'm blowed! I never knew that. I had always assumed this was not possible as when opening a DVDA project you have to specify the video format. I had understood that DVDA converted whatever you dropped into it into that format if necessary. If that is not the case - then what is the point of setting the "project" video format for the BluRay?

For several reasons Tim. Firstly so DVDA knows what type of disc it has to create and secondly the format for menus. Plus any video that has to be recompressed will be done to the project format.

You can put standard definition videos on a Blu-ray as standard definition. You can also mix pixel dimensions and frames rates on separate titles on a Blu-ray. No need to do anything special, just render your HD for Blu-ray and your SD for DVD and put both on the same Blu-ray if you have enough room.

Here are the acceptable media specs for

Yes, you can drop a mix of HD and SD into a BD project in DVDA but DVDA will convert the SD to the HD format selected in the DVDA project settings. I would rather convert all the 1280x720p 50p in Vegas first, use NeatVideo where required. You can also try VP14 or VP15 Smart Upscale and Smart Adaptive Deinterlace method. This gives you control over the final product, otherwise you to accept what ever DVDA does to your SD footage.

But DVDA doesn't convert your SD material to HD format provided it's a compliant file. It merely copies the file over into the Blu-ray iso image. The file is still the SD file but with a suffix change to m2ts and probably minor changes in the file header. Your Blu-ray player will then upscale it in the same way it would if the file was on a DVD disc.

As a Vegas/DVDA user of some 12 years I suddenly find myself learning something new with every post in this thread. Looks like I'll have to have a play to see the most suitable results, but I'll be playing in ways I didn't imagine were possible. Thanks to all.

But DVDA doesn't convert your SD material to HD format provided it's a compliant file. It merely copies the file over into the Blu-ray iso image. The file is still the SD file but with a suffix change to m2ts and probably minor changes in the file header. Your Blu-ray player will then upscale it in the same way it would if the file was on a DVD disc.

Like Tim I am also willing to learn something new; I need to test this too. So if this is true, the player will change it's output format accordingly or upscale to what ever the output is set at?

This Blu-ray ISO contains three different formats as different titles. Download, burn and see what your player does.

DVD Architect did not render anything except the Menu background. I included AC3 and WAV audio for each title.

Mediainfo from the ISO mounted virtually:

Menu

Title 1

Title 2

Title 3

Optical disc is the only way I know to do this without software scaling.

The upside is that correctly set hardware scaling on your teevee will look better, most of the time.

Thanks John. This works well.

I had always assumed this was not possible as when opening a DVDA project you have to specify the video format

The project settings only determine the menu format, unless I give it files that dvda must recompress.

... that's a recollection, which have become less reliable as of late.

I had always assumed this was not possible as when opening a DVDA project you have to specify the video format

The project settings only determine the menu format, unless I give it files that dvda must recompress.

Plus DVDA needs to know whether it is being asked to prepare a DVD or Blu-ray as they have very different capacities and folder structures.