Dave, I'm not familiar with the version of DVDit that came with your
Premiere software but I do recall that early versions of consumer DVD
authoring applications liked to be given either AVI files or MPEG-2 program
streams. Program streams combine (mux) audio and video into one file which
you then bring into the DVD software. Elementary streams separate video and
audio. The choice between them is made in the export process. If I remember
correctly choosing the program stream will result in a file ending in .mpg.
It might be worth a try. Using an AVI, which DVDit would then convert
(probably not as well as you'd like) would mean exporting your timeline
first, and at 13 GB an hour you'd need disk space, and patience.
As for optimal bit rates the usual advice for making disks in an optical
drive is to set an overall bit rate (audio + video) at around 6500-7500
kbps, if the project is no more than an hour in length. This improves your
chances of creating a disk that will run in most DVD decks. The calculator
Lee put you onto will keep you from exceeding the capacity of the disk,
which is about 4.3 GB per single side.
David Hurdon
At 06:27 AM 9/23/2006 +0000, you wrote:
Hello Lee.
Thanks again for your assistance. Yes, I was mistakenly equating
additional audio tracks with additional audio streams. so evidently
this was not the core of the problem I thought it was.
I reduced the bitrate from 8000+ to 4000, but it didn't help. I
still get the "DATA EXCEEDS MULTIPLEXiBLE..." message, and the burning
process aborts before it starts.
I have used an image quality setting of 49. Perhaps lowering this
will help? I'll try that tonight.
I am using the MPEG encoder in the Premiere 6.5 to convert the time
line to .m2v files.
I'm very hazy on what the bitrate actually is. Is there some optimal
balance bitrate, image quality and program length that I am failing to
understand, or is there something else going on here?
Regards,
DAVE
--- In [email protected], "Lee Schneider"
<[EMAIL PROTECTED]> wrote:
>
> Dave,
>
> Yes, stacking up the tracks can work if you need to do that, but I'm
> a bit confused on how the bit rate calculator let you know your audio
> volume was too low.
>
> You may be confusing audio tracks with audio streams. As you
> increase the number of tracks in your project, you aren't increasing
> the number of streams on the DVD. I'm assuming you are just using a
> stereo mix, so all of your tracks will get mixed down to 2 tracks
> (left & right) before exporting. What are you using to convert your
> Premiere project to mpg files?
>
> Lee
>
>
>
> > I'm not sure if I am using the calculator properly, but it
> > nevertheless may have pinpointed the problem. In certain segments of
> > program, the audio volume was too low. Using the red ribbons to
> > increase the volume was not sufficient (raising it to an indicated
> > 200% barely increased the volume at all - more like a 5% increase,
> not
> > a 100% increase. Someone had suggested that a possible solution was
> to
> > duplicate those soft portions of the audio track, so that in such
> > places I have as many as 7 identical tracks of the same audio. I was
> > skeptical, but I tried it, and it actually worked. However, the
> > calculator shows that even using 3 or four audio streams severely
> cuts
> > down on the allowable bitrate, (Using seven streams apparently cut
> the
> > allowable bitrate down to below zero).
> >
> > So, is there some OTHER workable method available in Premiere
> 6.5 to
> > raise the level of low audio besides multiplying the streams or
> > manipulating the red ribbons?
> >
> > Regards,
> >
> > DAVE
> >
>
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