silent bob. Movement leaves lines?!?

[toolsalival]

Ripped movie with no problems but after using TMPGEnc the resulting movie leaves 'lines' when there is any promoinent movement. The original film is region 1 but I wanted to make my vcd PAL.

Any help would be appreciated.

[dmonty]

This can happen when you convert a 29fps source to 25fps. Enabling the 'Inverse Telecine' option in TMPGEnc will clear up this problem. But!!! (there is always a but ) This will increase the time required to re-encode the movie. Expect to let the process run overnight.


Hope this help

D

[toolsalival]

Thanks, I'll give it a go.

[browner]

I had no problem at all.
I ripped it with Dup-DVD to my hard drive as an MPG.
Silent bob was a region 1 disc (NTSC) and I wanted PAL.
I then burnt it as PAL to VCD also using Dup-DVD.
I have also ripped NTSC DVD's with Dup-DVD and burnt them as PAL with video pack and nero and they work perfect.

Why not try the above programs?

[adam]

Careful this dvd is bizarre. The first layer stores the movie as progressive film and the second layer stores it as ntsc. The switch happens at a little past the halfway point in the movie. I have never seen another dvd that does this. IVTC'ing the entire thing might produce strange results. the best way to handle this dvd is to rip it in multiple parts, either in 2 or 3 cd increments. Treat the first half as film and the second half as ntsc. This will also save you lots of encoding time since you only have to IVTC the second half, not the first.

TMPGenc's IVTC function did not work well for me on this dvd. Lots of interlacing was still visible. Decomb handled it flawlessly though.

Just a warning.

[browner]

I dont agree with adam, sorry.
There is no need to rip multiple files from this film.
Just pay 39 dollars and use dup-dvd, it worked for me and continues to work.

(I am in no means connected with Dup-dvd or it's creators. I am just trying to help you out.
I tried as many ripping programs as I could (bought and free ones) and this happens to do the job with very good)

Browner

[toolsalival]

dmonty.

Tried what you said but still got lines. Thanks anyway.

browner & adam,

Thanks for replying I'll give it all a go.

[adam]

I dont agree with adam, sorry.
There is no need to rip multiple files from this film.
Just pay 39 dollars and use dup-dvd, it worked for me and continues to work.

(I am in no means connected with Dup-dvd or it's creators. I am just trying to help you out.
I tried as many ripping programs as I could (bought and free ones) and this happens to do the job with very good)

Browner

I don't know how Dup-dvd would handle an conversion like this and since you didn't mention if it was IVTC'ed or deinterlaced I assume you don't know either. If you didnt get any interlacing then Dup-dvd probably just applied a deinterlacing filter. While this may work it is not the best way to deal with this type of interlacing. At best you literally throw away half of your fields, effectively losing half your movie, and at worst you blend the two fields together, in many cases creating a blurry mess.

Just because the result is watchable that doesn't necessarily mean its adequate. For instance many people prefer to use free software, others prefer to use the highest quality software available...dup-dvd's quality is not as good as TMPGenc nor other commercial software like Panasonic. Still others prefer to know what they are doing and why. The dvd stores the movie in two formats. If your goal is to create the highest quality encode then the logical thing to do is to treat it as what it is, a strange hybrid. If you simply want to get a working copy of the movie than I agree, dup-dvd is probably a viable option, that is if you don't mind paying for what you could otherwise do for free.

[dmonty]

A DVD movie that has been interlaced/deinterlaced??? I know they do this with TV broadcasts but this is the first time I have encountered a DVD authored in this manner. You state,"Decomb handled it flawlessly though". Please elaborate on this 'Decomb' thing.

[adam]

For the most part, all movies start out as film which is 24fps progressive. When the dvd is authored they normally leave it progressive and include a RFF/TFF flag which telecines the film in real time. Occasionally they simply telecine the film and store it on the dvd this way. I have no idea why but on this dvd the first layer stores the film at 24fps and the second layer stores it at 29.97fps. The only explanation I can think of is that Jay must have authored this dvd right after smoking out.

Ntsc tv broadcasts are always at 29.97 because there is no way to do a real time telecine.

Decomb is an inverse telecine filter which can be used in avisynth. I split the dvd in two halves and kept the first progressive. I then used decomb to perfom an inverse telecine on the second half. It removes the duplicated fields and returns the movie back to its original framerate of 24fps progressive, which is ideal for authoring vcd and svcd. Not only does it eliminate all interlacing but it also grants you an additional %20 bitrate to work with.

You can download decomb at www.doom9.net and avisyth there as well. I recommend getting a program like gordian knot or FitCD to create an avisyth script for you which you can use to frameserve to your encoder. You will have to add the command for decomb manually but the readme that comes along with it is simple enough to understand. From my personal experience I have not found a better quality or more reliable inverse telecining method than using decomb.

[dup-dvdman]

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