I have recently ripped Tom and Jerry Golden Collection vol. 1 and Looney Tunes Plantinum Collection vol. 1, and in both cases, I've gotten several duplicate audio and subtitle tracks.
Here's an example from Looney Tunes, disc 1, title 15:
After ripping, I demuxed the file and checked the md5sum of all the tracks:
Audio tracks:
Code: Select all
7661621a5396e6f9af476480bb6c5cb3 2.ac3
7661621a5396e6f9af476480bb6c5cb3 3.ac3
e59a5bbb37668fbd267c451b8ceb4b33 4.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 5.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 6.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 7.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 8.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 9.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 10.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 11.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 12.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 13.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 14.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 15.ac3
1d8b2ed8fc79c81bf21d4cb0c7e98d37 16.ac3
The subtitles are also interesting
Code: Select all
56cc7be5177ee7a19d15c90b1fbf3523 17.sup
a24f89fb92c17bb8a3c7b6056a76d8ac 18.sup
e11c60d0136b75702c391112416124d4 19.sup
af37dc1ce23f3e8df25032ddd9a5b784 20.sup
af37dc1ce23f3e8df25032ddd9a5b784 21.sup
e11c60d0136b75702c391112416124d4 22.sup
af37dc1ce23f3e8df25032ddd9a5b784 23.sup
af37dc1ce23f3e8df25032ddd9a5b784 24.sup
af37dc1ce23f3e8df25032ddd9a5b784 25.sup
af37dc1ce23f3e8df25032ddd9a5b784 26.sup
The Tom and Jerry cartoons is a bit simpler:
Code: Select all
b9736b3bb03e9d8dbe8b91196ea06590 2.ac3
bd508472731b6ace381d7c93cd61bab3 3.ac3
1e848b206736152a55254b23cc812cd1 4.ac3
d9f375e208f1abcfc9dceaf455dcb34a 5.ac3
d9f375e208f1abcfc9dceaf455dcb34a 6.ac3
d9f375e208f1abcfc9dceaf455dcb34a 7.ac3
6d1dd8aa00a89b2178cb4900cdd077e8 8.ac3
6d1dd8aa00a89b2178cb4900cdd077e8 9.ac3
6d1dd8aa00a89b2178cb4900cdd077e8 10.ac3
57d35c4a558427ad98e9e69de0732bc5 11.sup
42604f99f64d7d920deba7cf332e9f49 13.sup
96a492268e0965988983f49bee701c14 15.sup
96a492268e0965988983f49bee701c14 17.sup
96a492268e0965988983f49bee701c14 19.sup
96a492268e0965988983f49bee701c14 21.sup
In all titles with this problem, only the commentary tracks are duplicated. And every title with a commentary track on these discs has this problem.