Problems with DVD players

[wseng]

Hi guys...

as the title above, here's my problem :

I did some several effects using adobe premiere pro 1.5. The effects includes animating a photoshop psd file. After authoring the DVD, it looks ok in computer but when it plays in DVD player it appears slow and laggy going thru the part. The background music also affected. I'm using an LG DVD player. Other parts of the movie which isn't heavily animated plays alright.

But when tested it out on other cheaper brand player like Fujitec, it runs smoothly.
Need you guys to help me figure out what's the problem.

Mpeg2 conversion using TMPGEnc and DVD authoring using TMPGE DVD Author. :dankk2:

[milksac]

What's the total data rate of the MPEG 2 files?

[wseng]

I set it at maximum 8000. I always set it at 8000 for all my projects. Never had any problem with this DVD player except for this with image animation on psd files. should i try something lower ?

[cecil995]

I usually try to keep the bitrate maximum at 7mps. Graphic intestive stuff is really going choke up your player with that high of a bitrate.

[wseng]

I usually try to keep the bitrate maximum at 7mps. Graphic intestive stuff is really going choke up your player with that high of a bitrate.

One thing that i don't really understand it that ... why other players like fujitec are able to run that smoothly and not on my LG ? No problem on the pc too.

and moreoever the graphics that i use and animate i do not consider very heavy... just that it consists of 2 layers with photoshop psd files and I applied the sketch filter to that file.

are there any safe range to set the max bitrate ?

[William_Robinette]

I always set mine at 8000 as well. Never a problem. Sounds more like an issue with the player if every other playback devise your have tried works properly.

[milksac]

One thing that i don't really understand it that ... why other players like fujitec are able to run that smoothly and not on my LG ?
That's just the nature of DVD-R. Depending on the media used and the data rate the disk may play on 95% of the players, but fail on the other 5%. The only way to gaurantee 100% compatabilty is to have the disks replicated. Which isn't practical when doing short runs.

Dial the data rate back to 6500 or 7000 and burn another disk. See what happens. Testing is a better than guessing when you're trying to solve problems.

Regarding the graphics if there's a lot of fine detail in the image (sketch filter), color gradients and it's moving that's a lot of data to compress. Compare that with the task of compressing a locked off interview shot - very easy to compress.

[wseng]

That's just the nature of DVD-R. Depending on the media used and the data rate the disk may play on 95% of the players, but fail on the other 5%. The only way to gaurantee 100% compatabilty is to have the disks replicated. Which isn't practical when doing short runs.


not so sure with disc replicate... could you explain why is it that after replicating there won't be any problem ? does replicating removes a lot of those data ? or it still contains the same amount of data ?

[milksac]

Replicating is a completely different process for making copies.
When disks are replicated the Duplication facility creates a metal disk called a stamper from the master that you provide. This metal disk is used to press copies of the disks, like when they used to press vinyl records. Creating the master stamper takes some time, so most duplication facilities have a minimum order of 1500. It wouldn't make sense to go to the trouble to create a stamper to stamp one disk.

For DVD-R the best thing you can do to maintain compatability is to get a handle on the compression settings and total data rate. In some instances the brand of media can cause problems.

Have you done any tests with the lower data rate ?

[siniarch]

I'm just new at this, but I also read somewhere that sometimes burning your DVD at slower speeds removes some compatability problems. You can give this a try too.