Question on Settings

[Gunner-GoNad]

Hi. Ok I was wondering if jdobbs or anyone can explain the advantages and disadvatages of turning Dynamic Assign Cell Bitrates
on. It might have been asked before I can't find the thread.

Also. If I know that the whole source is progressive I've seen that people say that the Disable "interlaced=true" in YUY2 helps with quality. I am not quite sure I understand this. Would it be a good idea to enable it if I know it is all progressive or is the quality loss/gain not even something write home to mom about?

Thanks.

- Gunner-GoNad.

Sorry if this has been answered before.

[wmansir]

Both questions are answered in the settings stickie post. The Dynamic assign question is answered in detail in the forth or so post.

The Interlaced=true question is addressed in a link in the main post, but it is a complicated subject. The basics are this:

Interlaced, hybrid, or unknown material should use Interlace=true. If you don't use Interlace=true on interlaced material some color information can swap fields, which will be noticable in some situations.

Progressive or De-Interlaced material do not need it. But if you do use it the damage isn't too bad. The color information will be slightly off, but it isn't very noticable.

[Gunner-GoNad]

Ok.. Thank you. I just missed that one in settings. Can I ask if you turn the Disable "interlaced=true" in YUY2 off when you know it's progressive? Just curious.

Thanks.

- Gunner-GoNad!

[wmansir]

I don't. I'll have to check, but I think DVD-RB doesn't add Interlaced=true to progressive cells regardless of this setting.

[Fr4nz]

Unfortunately it adds interlaced=true also if you are encoding a progressive DVD AND you use ConvertTOYUY2. :(

[wmansir]

Originally posted by Fr4nz
Unfortunately it adds interlaced=true also if you are encoding a progressive DVD AND you use ConvertTOYUY2. :(

That's weird. I just did a quick, prepare of a source with "Disable Interlaced=true" UNCHECKED and the main movie, in VTS01 got:

#------------------
# AVS File Created by DVD Rebuilder
# VOBID:01, CELLID:02
#------------------
LoadPlugin("D:\Program Files\AviSynth 2.5\plugins\MPEG2Dec3dg.dll")
mpeg2source("E:\BACK3\D2VAVS\V01.D2V")
trim(4056,7187)
ConvertToYUY2()
AudioDub(BlankClip())

And the extras, in VTS02 got : #------------------
# AVS File Created by DVD Rebuilder
# VOBID:06, CELLID:01
#------------------
LoadPlugin("D:\Program Files\AviSynth 2.5\plugins\MPEG2Dec3dg.dll")
mpeg2source("E:\BACK3\D2VAVS\V02.D2V")
trim(50082,87260)
ConvertToYUY2(interlaced=true)
AudioDub(BlankClip())

Peehaps it goes by the entire VTS Set's % FILM/Progressive and not the individual cell.

EDIT: To say, I'm in R1 and I know PAL streams can be flagged wierd, or more specificlly, progressive PAL sources can be flagged as interlaced. Perhaps that is part of the problem here, and the reason fo this setting?