output file is half the size from TMPGEnc DVD Author

[helloagain]

I used TMPGEnc DVD Author and it indicated that the output file should be around 3.6Gb. But when the process finished, the output file is only about 1.8Gb. Anyone can advise what the problem is? Thanks

[beartums]

Have you tried playing it? Use a software player to play it from your hard drive. I see no reason that it should be that far off unless there was an error in processing, but I can't be certain. What was the format of the input files?

[thomasm]

I used TMPGEnc DVD Author and it indicated that the output file should be around 3.6Gb. But when the process finished, the output file is only about 1.8Gb. Anyone can advise what the problem is? Thanks

Hi,

I got 2 DVD here having the same problem.

I using DVDDecrypter rip them into HD then tried with TMPGEnc DVD Author v1.6 and DVD Shrink v3.2, both result in half size.

The strange thing is when using PowerDVD to watch that "re-authored half size" files, it actually contain "full length movie in blocky quality".
(compare to the "just-ripped" files)


So, have you find out what cause the problem?

[Fragamon]

Did you check if the audio was re-encoded?

Also see this link:

https://www.videohelp.com/forum/viewtopic.php?t=235750&highlight=

[thomasm]

Here's what it look like:



But when it finsih:





But somehow they have same length, the original:



after DVDStrink full disc backup to folder:

[c_hernandez32]

I have the same problem with the DVD shrinking to half its intended size. I am using DVD Author only to author and burn. The resulting DVD folders are half of what DVD author said they would be. I could possible be the audio compression, but I think the calculated capacity at the bottom of Author is taking into consideration the compressed audio. I author w/ mpg2 audio, but when I switch to PCM it increases the size of DVD, so the capacity meter should be correct.

Any help?

[thomasm]

Did you check if the audio was re-encoded?

Also see this link:

https://www.videohelp.com/forum/viewtopic.php?t=235750&highlight=

As you see the images above, it just result in half size even i set it "no compression"

Any "lossless" method to extract the series of VOB files into something else?
Or any clue what actually go wrong here?

[jyn999]

Did you try to play the .VOB files produced by TMPGENc DVD Author? If there were an error during encoding, the .MPG file may be OK up to a certain point and crap or blank later on.

[bugster]

Here's what it look like:

But somehow they have same length, the original:



after DVDStrink full disc backup to folder:

Are you sure those images are the correct way round. It seems as if the original is LOWER bitrate than after DVDshrink, that doesn't make sense

[thomasm]

Are you sure those images are the correct way round. It seems as if the original is LOWER bitrate than after DVDshrink, that doesn't make sense

Yes, they're in right order.

The images wasn't capture the same spot of time, and I think the bitrate is represent that particular second.
(Using PowerDVD > show information)

[thomasm]

Did you try to play the .VOB files produced by TMPGENc DVD Author? If there were an error during encoding, the .MPG file may be OK up to a certain point and crap or blank later on.

I didn't watch the whole video, just moving back and forward, play about 10 seconds than moving again. I can watch the begining, the end and between, but in a very blocky quality.

The source, are actually DVD+RW burned from a DVD Recorder (I think), just a kind of "home-made" disc. All I want to do is recreate the menu and add chapters to it.

Now I got 3 disc here having this problem.

Somehow, I got no problem to author mpg files created from TMPGEnc Plus.

[jyn999]

DVD Recorders can burn DVDs at 2HR, 4HR, and 6HR speeds just like your normal VHS VCR does with video tape.

The extended record times are done by lowering bit rates ... which inevitably leads to lower video quality. I've read postings that the video quality of DVD recorders is roughly equal to VHS tape at the 2HR, 4HR and 6HR speeds.

Somebody more knowledgable about how DVD recorders work can explain how they create and burn .MPG files.