Timeline bitrate too high

Hello,

Can someone explain to me why I get the message "timeline bitrate too
high" on only a couple of the timelines in my project? Shouldn't the
bitrate be evaluated by the project as a cumulative whole? I have five timelines
and all assets are encoded at 6 mbps. Why would only a couple of the timelines
get this error, and do I just need to re-encode these assets? Or should I lower
the bitrate on all assets on all timelines?

Note: the timelines that don't get the error also contain still images.

Any insight is much appreciated, thanks.

The maximum bit rate for video plus audio allowed on a DVD-Video disc is
9.8Mb/s.

After subtracting the bit rate of the audio track(s) you are left with the
maximum video bit rate. If your video is encoded at 6Mb/s CBR it would seem
unlikely that you could exceed the maximum. (Unless you got several uncompressed
PCM audio tracks in the same timeline.)

If the video is encoded with 6Mb/s VBR it is quite possible that the file
contains peaks that are higher than the maximum allowed.

All the video content have associated PCM audio (there isn't a compression
option in Premiere's Media Encoder for this format). But am I wrong in assuming
that PCM audio has a bitrate of 1.5 Mb/s? If so, this would not add up to 9.8
Mb/s.

Also, all my video was encoded at 6 Mb/s CBR.

But my main question was, shouldn't Encore report that the whole project exceeds
the maximum bitrate, instead of just a few timelines? Because what if I reduced
the bitrate on the timelines that didn't get this error message, wouldn't that
allow for a higher bitrate on the other timelines?

The "bit rate too high" message means that your project is exceeding
the 9.8 Megabit per second maximum. It is got nothing to do with whether or not
the total project will fit on a DVD.

No matter how low the bit rate is in one timeline, it can't still be higher than
9.8Mb/s in any other timeline.