720p @ 30fps project to DVD

brianluce

Carbonite Member
I have a file shot in 720p at 30fps and edited in Cineform IC. If delivery is SD DVD, when I render should I save as "main concept mpeg2" and for template "ntsc dv widescreen"?

If these aren't the proper settings, what are?
 
David Jimerson said:
Those would be the proper settings.

on a related not, be sure to go into custom setting and turn on the audio to 48k because for some reason the default setting doesn't send an audio stream. Not sure why.
 
No, don't do that.

The audio stream is separate, and that's what DVD Architect needs. It doesn't build its sound track(s) from MPEG-2 audio; it builds either AC-3 or WAV, which is in the DVD standard. MPEG-2 audio is not, so if you give DVD Architect anything other than WAV or AC-3 audio, it will re-render to the audio into one of those formats (depending on your DVDA project settings; default is AC-3).

As a result, it will also have to re-render the video, because it doesn't expect to see audio interleaved in with the video file.

The bottom line is that it will make your DVD authoring a longer process. The DVD Architect template exists because it gives DVD Architect exactly what it needs to make the DVD, and thus the file will not have to be re-rendered at the DVD authoring stage.

Also, depending on the compression, the MPEG-2 audio may be lower-quality than the AC-3 file or certainly the WAV (PCM) file.

What you do is choose a loop region in your project. Render the video using the DVD Architect template -- make sure you have "render loop region only" checked in the render box. Then, using the same loop region, render your audio, using the same file name and saving it to the same folder. DVDA will mate them up automatically.
 
David Jimerson said:
No, don't do that.

The audio stream is separate, and that's what DVD Architect needs. It doesn't build its sound track(s) from MPEG-2 audio; it builds either AC-3 or WAV, which is in the DVD standard. MPEG-2 audio is not, so if you give DVD Architect anything other than WAV or AC-3 audio, it will re-render to the audio into one of those formats (depending on your DVDA project settings; default is AC-3).

As a result, it will also have to re-render the video, because it doesn't expect to see audio interleaved in with the video file.

The bottom line is that it will make your DVD authoring a longer process. The DVD Architect template exists because it gives DVD Architect exactly what it needs to make the DVD, and thus the file will not have to be re-rendered at the DVD authoring stage.

Also, depending on the compression, the MPEG-2 audio may be lower-quality than the AC-3 file or certainly the WAV (PCM) file.

What you do is choose a loop region in your project. Render the video using the DVD Architect template -- make sure you have "render loop region only" checked in the render box. Then, using the same loop region, render your audio, using the same file name and saving it to the same folder. DVDA will mate them up automatically.

That's a bit confusing. So render a video file first, then render the audio file as AC-3, import both in to DVDA and it sychs them up?
And why can't you render the whole file? why do you have to just render a loop region?
 
brianluce said:
So render a video file first, then render the audio file as AC-3, import both in to DVDA and it sychs them up?

Yes, as long as you save them under the same file name and into the same folder. You don't have to render the video first, though.

And why can't you render the whole file? why do you have to just render a loop region?

You want to render a loop so that you're sure that the audio and video begin and end on the same frame. You can make the loop region the whole project, though.

If you're absolutely sure that you want to render your whole project timeline as one continuous file, then using a loop region isn't strictly necessary. But it does make things clear.
 
Okay thanks, but one thing, I'm editing in cineform, doesn't that require a render to get it to mpeg2 for dvda?
 
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