Spears & Munsil UHD HDR Benchmark

Please post here for issues related to UHD discs
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DavidGA
Posts: 10
Joined: Tue Feb 09, 2021 2:14 am

Spears & Munsil UHD HDR Benchmark

Post by DavidGA »

This disc gives the error "The volume key is unknown for this disc - video can't be decrypted".

I did Google this error, but the results say that this is what happens if you try to rip an ISO file, or a copy of a disc. But this is an original 4K blu-ray disc. Other discs rip OK.

MakeMKV produced a "AACS dump file". I don't know what that is but I'm attaching it.
Attachments
MKB20_v70_Spears_&_Munsil_UHD_HDR_Benchmark_5B83.tgz
(183.87 KiB) Downloaded 787 times
Woodstock
Posts: 10333
Joined: Sun Jul 24, 2011 11:21 pm

Re: Spears & Munsil UHD HDR Benchmark

Post by Woodstock »

Emailing the tgz file to svq@makemkv.com will go much faster than posting on the forum.

UHD titles that haven't had a dump file submitted will generate the dump file and suggest you send it in. After that, you can try the rip in a few days to see if the hash key table has been updated.

ISO versions are problematic because information necessary to create the dump file is not there.
DavidGA
Posts: 10
Joined: Tue Feb 09, 2021 2:14 am

Re: Spears & Munsil UHD HDR Benchmark

Post by DavidGA »

Ah, please ignore this, I'm an idiot. I had "internet access" turned off in MakeMKV so it couldn't download new key things.

I turned it on and now it's fine.

Sorry, my fault.
Billycar11
Posts: 4354
Joined: Sun Aug 24, 2014 5:49 am

Re: Spears & Munsil UHD HDR Benchmark

Post by Billycar11 »

i think this setting needs a tool tip thats says if disabled you cant rip UHD discs
Buy a UHD drive from the guide and how to video maker: https://www.makemkv.com/forum/viewtopic ... 20&t=17831
UHD Drives Guide: https://www.makemkv.com/forum/viewtopic ... 16&t=19634
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rec head
Posts: 2
Joined: Tue Sep 08, 2020 10:53 pm

Re: Spears & Munsil UHD HDR Benchmark

Post by rec head »

Does anyone have a list of the titles that are used for the basic calibration as described in the guide? I just bought the disc and want to do the calibration from my HTPC because that is what I use for movie watching. I don't want to have to rip the all the titles and look for the ones I need.

Thanks.
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