Scenarist : bitrate too high ?

[matzed]

Hi,

When verifying a track under Scenarist, it tells me that the bitrate is too high :

------------------------------------------------------
Info === Verification movie-t ===
Info -- Total bitrate --
Info Main video bitrate = 9800000, data = "movie"
Info Audio stream ID = 1, bitrate = 224000, type = AC-3, data = "movie_aud"
Info Sum of audio bitrate = 224000.
Info Total bitrate = 10024000 [ audio + main video ]
Info Bitrate is too high.
Info === Finish.[Verification] ===
------------------------------------------------------

The problem is that the video is VBR encoded with CCE, at an average bitrate set to 7300, max set to 8000, confirmed by Bitrate Viewer (max = 8000 inside Bitrate Viewer).

In Scenarist, the property page of this "movie" is tells me :
- Bit rate : 9800000
- Bitrate type : Variable

Any idea of what is hapenning ?

Matz

[slk001]

Try using RESTREAM to set the MAX BITRATE in your M2V header to 8000. I've noticed some programs taking this number as "gospel" (and it is as far from gospel as can be sometimes). I believe that when you check DVD COMPLIANT in CCE it automatically puts 9800 in this box.

[hendrix]

Originally posted by slk001
I believe that when you check DVD COMPLIANT in CCE it automatically puts 9800 in this box.

True..make sure the DVD Compliant bullet is unchecked

[matzed]

Thanks for the tip... In fact scenarist is ok to generate the DVD even if the "verify track" menu says that bitrate is too high... strange...

The CCE compliant check mark is only there to put 9800 Mbps in the header of the mpg stream ? It does NOTHING else ?

Thanks

Matz

[slk001]

Putting the 9800 in the header is only one thing that CCE does. It DOES have some benefits using the DVD COMPLIANT mode, in that it insures that the MAX BIT RATE NEVER exceess 9.8Mbps. Nothing is worse than having to re-encode just because one passage exceed the max rate.

Obviously, what Scenarist gave you was just a warning (and not an error), which allowed you to proceed (but with caution).

[matzed]

So i think i'll keep the DVD COMPLIANT option checked because yes, i don't want to have to reencode twice !

Thanks for your explanations

Edit : do we know how much kbps the subtitles takes ? We know for movie, for audio, but what about subtitles ?

Matz

[slk001]

Subtitles are approximately 10kbps. In fact, they use so little, they are almost "free".