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28th March 2015, 22:23 | #13161 | Link | ||
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Same thing applies on other seamless branching discs, tried with Divergent as well and it too had diffrencies in the decoded audiotrack between 3.28 and 3.29. Audio-overlaps reported by eac3to: [a02] Audio overlaps for 3ms at playtime 0:06:57. <WARNING> [a02] Audio overlaps for 7ms at playtime 1:33:51. <WARNING> [a02] Audio overlaps for 10ms at playtime 1:38:54. <WARNING> [a02] Audio overlaps for 8ms at playtime 1:40:26. <WARNING> [a02] Audio overlaps for 10ms at playtime 1:40:49. <WARNING> [a02] Audio overlaps for 6ms at playtime 1:55:50. <WARNING> [a02] Audio overlaps for 13ms at playtime 1:57:32. <WARNING> I also decoded the track to wavs and used foobar to compare each channel individually and the conclusion is that the diffrences is found in all channels. I was sort of going through my old flac files (7.1) to hash out wich ones were decoded improperly by Arcsoft when I stumbled across this, making it hard to compare old tracks vs new. windiff first diffrences of centerchannel: http://someimage.com/aJR2FEb Last edited by Nebudchanezzer; 29th March 2015 at 07:58. |
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29th March 2015, 16:07 | #13162 | Link |
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Thank you madshi and Nebudchanezzer for your explainations.
One test I did: on the TRON Legacy DTS-HD MA 7.1 track: BL, BR, C, LFE, SL, SR channels between arcsoft v1.1.0.0, v1.1.0.8, and dcadec are bit-identical, BUT L and R channel are not ! (they are bit-identical between arcsoft v1.1.0.0 and v1.1.0.8 but not with dcadec). I know this DTS-HD MA track was known to have issues, that is why I tested it. Here is a sample if you want: https://www.sendspace.com/file/0gha9a and as Nebudchanezzer did, a picture showing some differences between the two L channels from arcsoft v1.1.0.8 and dcadec for example: http://someimage.com/NUzaDn3 Basically, in the L and R files extracted with dcadec, the differences with L and R extracted from Arcsoft are some values replaces by 00 Can we know if one of the decoders extracted the L and R channels right, and which one ? |
29th March 2015, 16:36 | #13163 | Link | |
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- Here is the full test files DTS-MA: https://www.sendspace.com/file/pd2o0f
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BeHappy, AviSynth audio transcoder. Last edited by tebasuna51; 21st October 2015 at 10:04. Reason: new link |
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29th March 2015, 17:01 | #13164 | Link | |
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Output from ArcSoft v1.1.0.0 and DcaDec are bit-identical. EDIT: Sorry, you are right, I forget use eac3to 3.28 I confirm the differences.
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BeHappy, AviSynth audio transcoder. Last edited by tebasuna51; 29th March 2015 at 19:01. |
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29th March 2015, 17:13 | #13165 | Link | |
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Here is what I get with that sample: From Arcosft v1.1.0.0: channel L MD5: d063bd2fa3fc061c53e355e95d0d13ba channel R MD5: e5ddeb27e0d35932a9298f3802d50f44 From DcaDec channel L MD5: fe53588e9dbe05b3b58bcdc820daa5ff channel R MD5: e078126224c5c465b9ee2dff349935a3 And if I compare them with tools like VBinDiff as on the picture attached to my previous post, I see differences a well. What tool are you using to determine the bit-identicalness ? (Also, I use eac3to v3.28 to extract with arcsoft and eac3to v3.29 to extract with DcaDec as I didn't find a switch like "-arcsoft" to force the use of arcsoft on V3.29 on 7.1 tracks) |
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29th March 2015, 17:21 | #13166 | Link | |
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However there was no differences found when using 3.29 for both dcadec and Arcsoft. Could be interesting to try with the sonic decoder as well. EDIT: Yes the "-arcsoft" switch does not work on 3.29. EDIT2: Tried with sonic aswell and then compared the left channel and none of the 3 decoders produced the same result.... Last edited by Nebudchanezzer; 29th March 2015 at 17:31. |
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29th March 2015, 17:33 | #13167 | Link | |
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But then, using 3.28 you where able to use arcsoft and to find same results as me ? I can't try sonic decoder unfortunately |
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29th March 2015, 17:55 | #13168 | Link |
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Doesn't Sonic just decode 5.1 while dropping the remaining channels?
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29th March 2015, 18:13 | #13169 | Link | ||
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So it would be interesting if someone could test with MakeMKV and see what they come up with there. Last edited by Nebudchanezzer; 29th March 2015 at 18:25. |
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29th March 2015, 19:05 | #13170 | Link | |
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EDIT: MakeMkv: bit-identical to ArcSoft (same dstdecoderdll.dll) BTW, the differences between ArcSoft and DcaDec aren't audibles (-108 dB)
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BeHappy, AviSynth audio transcoder. Last edited by tebasuna51; 29th March 2015 at 19:15. |
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29th March 2015, 20:35 | #13171 | Link |
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@madshi
It's great the external dependency for DTS-HD decoding is gone, if you also want to remove the Haali muxer dependency at one time maybe this project could be helpful: http://sourceforge.net/projects/yamka |
29th March 2015, 21:04 | #13173 | Link | |
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30th March 2015, 11:26 | #13176 | Link |
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I didn't expect a long-time developer like you to make assumption like this.
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30th March 2015, 12:25 | #13177 | Link | |
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he said this:
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30th March 2015, 12:52 | #13179 | Link |
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That comment was from 2010, it certainly doesn't apply anymore today.
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30th March 2015, 18:46 | #13180 | Link |
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Another reason why we should dump ArcSoft Decoder
Code:
a05 The Arcsoft DTS Decoder only allows one operation at a time.
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