AVS HD 709 - Blu-ray & MP4 Calibration - Page 93

There had been some previous discussions on doom9 that the auxdata folder determined playback on some players. I believe there may be examples of players that require the folder like this model, and I think there might also be models that will not play if the folder is present as noted in the prior reply. Since the current downloads include both options, I don't think there's a need to modify the files. At some point I'll add the prior information to the first post and try to clean up some discrepancies in the descriptions.

Thanks for the correction.

DVDM indicates the HDMV version burned to DVD media with a DVD burner should play. HDMV is really a Blu-ray format, but some players can play the HDMV download from DVD media. DVDM just means to use the HDMV version with DVD media, rather than Blu-ray media.


There is a specific procedure to burning a disc. See the "STEPS TO USE THE DOWNLOADS" or "EXAMPLE FOR WINDOWS COMPUTERS" instructions. Steps 2 though 4 describe how to select between the .exe or .7z downloads, how to decompress the download, and how to burn a disc. I recommend using the free ImgBurn for step 4, but other programs can burn from a disc image.


There is a BDMV folder on the disc after the HDMV version is burned correctly. If you are on Vista, Windows 7, Mac, or Linux you should be able to look at the contents of the burned disc and see a BDMV folder, but Windows XP cannot read the discs because of the formatting.

This was previously addressed at http://www.avsforum.com/avs-vb/showt...3#post19587133 and shows up as a Known Issue listing. The only thing that has changed from the prior response is that I'm currently not considering moving onto a Blu-ray based project. If you consider the patterns worth the time involved, http://www.avsforum.com/avs-vb/showt...4#post16837914 generally documents how to create video similar to the downloads, and there are free tools available online for completing each step.

I guess it's a computer monitor, so it probably expects computer levels. My understanding is that the PS3 can output RGB computer levels (full range or 0-255). http://manuals.playstation.net/docum...fullrange.html

The PS3 will play AVCHD from DVD media. Otherwise, I'm not familiar with PS3 capabilities.

I would probably look in the manual to see if there is any useful description. I'll assume the setting doesn't switch between video and computer levels, because otherwise it would have applied to your prior question. I'm really not sure what it does if it doesn't switch between input levels without more information. If I was running on no other information, I would probably look at the step patterns in the Misc Patterns Section A area of the disc to see if the control might happen to also affect those patterns. Without more information, my suggestion is just to follow the description from the White Clipping pattern in the PDF and your personal preference. If you go with the setting that can clip grayscale I would suggest going a few notches below where the gray bars start disappearing, or also check the color patterns from Misc Patterns Section A.

There is an attempted definition in the back. Clip in the PDF is just used to mean cut off. Blu-ray allows for 254 shades of gray, and generally you want to be able to display all the shades of gray from 16 through 235. If a device clips then part of the video range (1 through 254) will not be displayed. The idea is just that part of the information is lost or has been removed by some part the electronics you are using.


It's hard to say, because each device (player, receiver, TV, etc.) could cause an issue. If you can narrow an issue down to one device then it's easier to make guesses on how you might resolve the problem. For example if you are using a receiver you can eliminate it during troubleshooting if you hook the player directly to the TV. Computers commonly alter the video signal, and not all TVs support full-range inputs, so seeing what happens by trying another video player might be useful for some situations. Likewise if you think the TV might be the cause you could see what happens if the player is connected to a different TV. Anyway, what I'm getting at is that if you don't have any other information to go on, a very simple method of troubleshooting is to try swapping out electronics to see if you can find the source of the problem by trial and error. Really you need to try to hunt down where the clipping is coming from in order to answer this question.