Blu-ray loses video/audio for second/FIXED

[Colleen]

What might be causing blips in Bluray disk?

I made a Bluray using my edited video files. These were AVCHD .m2t files.

First all my rendered edited video files looked fine. I created a menu and then created Bluray folders. I checked the BDMV stream videos to make sure they all worked and looked good. Then I used Cyberlink Media Suite to create a Bluray data disk. At first when I played it in the Bluray player I thought it was fine. But when I got about halfway through I started having spots where it would lose all video/audio for a second or two. This happened randomly throughout the rest of the disk.

I tried a second disk to see if it might have been a bad disk, but had the same results in all the same spots.

I have made Bluray disks before with the same programs and same Pioneer burner without issue.

Should I assume that the Bluray folder(made by VS) is the problem even though I can't see anything with the naked eye?

[lata]

Hi Colleen
I would have thought that once the BDMV folder has been created that burning that to disc would not recode the video content,
the burn quality would be as good as the files within the Stream folder and you say they are ok.
Are you able to copy the Stream folder from the disc to your pc, then play those files to compare with the source BDMV Stream folder.

You mention that the quality issue is on the second half of the disc, are you using Dual Layer discs? Just a thought and should not be a problem especially as you have burnt discs in the past.

Oh
What version of video studio are you using, your profile shows X7

[Ken Berry]

I'm also a bit mystified as to why you use Cyberlink to produce a "data" Blu-Ray disc... Why?

[Colleen]

Trevor-I'm using VSX7. OK I copied one stream video off the disk and played it on my computer. It looks just as good as the original stream in my bluray folder on my computer.

As for the second half of the disk, I'm not sure there weren't blips earlier in the disk. I had only watched bits of each chapter until I saw a blip. Then I watched more carefully.

So right now I have the stream video from the burned disk working fine when copied back to the computer, I have my bluray player showing second long blackouts in the same spots on both burned disks, and the Pioneer burner I used plays back with the slightest of little jump in the video in those same spots. Is it the Pioneer burner? But if so would the defects occur in the same spots?

Ken-I use Cyberlink Media to burn Blurays because
1. It came free with my Pioneer burner
2. I read on this forum years ago that it's best to make Bluray folders with VS and then maybe keep VS out of it. (I had made lots of coasters in the past).

I just looked at burning with VS and it didn't see my menu stream videos just my videos so I would need to remake my menu.

[Colleen]

I did a little checking on the spots that black out. There are 10 videos files on the disk. Videos 6-9 have these blackouts.

I went back and noted all the times and compared them to my VS projects. Most blackouts corresponds to a transition on a video, photo or title. On one video I added 2 color overlays to go under my titles and blackouts happen at the beginning and ending of each of the 4 overlays.

These projects had all been rendered and appeared to play fine therefore I put them together added a menu and burned the bluray folders. Then checked the folders and they played fine.

The problem is with the disk after it's burned.

Why would a rendered video files have these hang ups at the transitions after all have played fine before burning?

[Ken Berry]

Have you tried making the Blu-Ray using VS instead of Cyberlink? Or using another program like Nero or the freeware ImgBurn?

[Colleen]

No I haven't. VS didn't see the menu video streams when I added my bluray folder and I didn't want to have to remake the menu yet. I might just break down and do it.

One question, when I added my bluray folder it showed doubles of each video, one called clip and one called playlist. Do I check all or just clips or playlist?

[Ken Berry]

When you added your folder, did you add it to Cyberlink? If so, we probably can't help -- at least I can't since I have never produced a Blu-Ray using Cyberlink...

[Colleen]

I made a bluray folder with VS. Now I'm loading that folder into VS to burn. The BDMV show up as 10 clips and 10 playlists. Do I check the 10 clips, 10 playlists or both? They are doubles of each video.

[Ken Berry]

Sorry. I didn't think you could burn a Blu-Ray disc from a BD folder in X7 -- only an ISO file.

[Colleen]

Well it says add media with options for Video file, projects, and digital media including BDMV. When I select this it searches for my BDMV folder and loads the videos. Unfortunately it keeps crashing while it's importing the files. How else should I try this?

[Ken Berry]

No. You certainly don't add a BD folder for burning that way. The BD folder is already in effect a disc with the necessary files and structure (STREAM etc). If you look in Tools you should see "Burn from disc image (ISO)" but not "Burn from folder". So you have to use a third party program for that. Since you didn't have success with Cyberlink, do you have any other program Nero or Ashampoo Burning Studio? Failing that, as I say you can download a freeware program called ImgBurn which can do the job. In fact, if you are burning it as a data disc, I think Windows itself can do it these days. Right click on the folder in Windows Explorer and in the drop down menu which appears, see if there are any Burn options...

[Colleen]

Urrrrg... Ok I tried downloading ImgBurn and burned another bluray and now I have another coaster!!
Same results. Blackouts at transitions etc.

I don't understand if the rendered files look fine why this is happening. With 2 programs having the same results it makes me think the files are bad, either the blueray folder files or my original video files. I thought the whole idea behind making bluray folders or an ISO was to avoid making coasters by checking results first. I can't see with my naked eye anything wrong with the folder or the originals.

[lata]

Hi Colleen
If both Img Burn and Cyber link are showing the same problems then it would suggest that the original BDMV or video files used to create the BDMV are the issue.

Can you explain your Video Studio workflow to burn / create the BDMV, as far as I can see you…
Just to confirm your settings.
1 / Edited the project, what are the properties of your original video files? I assume your project properties used the same settings.
1920 x 1080 x 29.97 interlaced. ( I use Pal and 25fps) aka 60i, or does your video shows 60P
2 / rendered the project to a bluray compliant video file,. I usually use Same as First Clip providing they are Bluray compliant,
3 / start a new project for Share Create Disc Bluray this is to empty the timelines, project settings should be 1920 x 1080 x 29.97 fps interlaced.
4 / from the burner module Add Media Add Video File
5 / from the first panel Add Edit Chapters
6 / Next to choose a menu template, do this for both Titles and Chapters.
7 / next – choose to create a Bluray Folder

Burn, although you may see a message stating the process will take a while it should start with Create Menu
If you see Convert Title then your project is being rendered again, I can only assume the settings above are incorrect, for example using 60P instead of 60i.
I ran a test to show this problem, the program rendered my video file from 50P to 50i using lower field first, generally interlaced HD would use Upper field
For the tests I ran I could not create a bad BDMV video although I did not complete the process to burn a disc.
I have always thought that when burning a BDMV file to disc that there was no recoding, the quality should be the same, in the past I have successfully used ImgBurn to transfer the BDMV to disc.

With the increasing technology for HD TV playback many are now using a USB memory stick to play the video rather than burning a disc, although there will be no menu structure, just an alternative option

[Colleen]

Yes that is exactly the process I used. Here's my original video properties.
H.264 Video, upper field first
24 bits, 1920x1080, 16:9
29.970 fps
Variable bit max 22699
Dolby Digital
48000 Hz
256 bit