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28th November 2017, 20:24 | #26761 | Link | |
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Oh. Seems that Universal/Lionsgate and Sony have stopped using it. Might be because it has been broken. So, the whole issue with Cinavia going forward might be moot.
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I suspect that DVDFab can't recode back to DTS-HD/MA because of licensing. Being a commercial product, DTS would want money. LPCM is free. I can't think of a reason why DVDFab can't remux the LPCM stream back into the movie backup. Other than the video would have to be recoded to an even smaller size, in order to keep all of the other audio streams and the special features, etc. By doing the movie only version, the video doesn't have to be shrunk as much. You can recode the LPCM to DTS with ffmpeg or ffdcaenc (which is supposed to be a little better than ffmpeg). I doubt that you'll hear the difference. |
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28th November 2017, 20:25 | #26762 | Link |
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Replacing the audio was established YEARS ago, Cinavia is now (believe it or not) nearly 6 years old. and doing that opens up a whole shitload of problematic things.
audio duration must match to the last frame, bitrate must be valid, channels must be valid, codec must be valid,... just a complete nightmare |
28th November 2017, 22:33 | #26765 | Link | |
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Last edited by Lathe; 28th November 2017 at 22:39. |
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28th November 2017, 22:37 | #26766 | Link | |
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(well, that MIGHT be overstating it just a bit...) Seriously though, are they REALLY not using it any more? That would be frigg'n AWESOME! Do you know why in detail they are not using it anymore if that is the case? |
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28th November 2017, 22:40 | #26767 | Link | |
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29th November 2017, 06:28 | #26768 | Link | |
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As a side note, I fixed Sony releases by using the AC3 audio stream from the DVD release. I initially did that with Universal/Lionsgate releases, until they caught on and also started adding Cinavia to their DVD releases. |
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29th November 2017, 06:52 | #26770 | Link | |
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29th November 2017, 09:01 | #26771 | Link |
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I should have typed LPCM. Having BD-RB convert the LPCM to AC-3 is pretty good. Sound is very good...and the "new" AC-3 from LPCM replacing the "infected AC-3" to the BD with movie and extras seems to be doing well. I'll check it all soon.
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29th November 2017, 10:56 | #26772 | Link | ||
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With our luck, it'll show up again. |
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29th November 2017, 11:02 | #26773 | Link |
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IMHO, it would be a "little" better if it were re-coded to DTS. It can have a bitrate that is a little more than twice that of AC3. That would allow it to keep more of the "info" that is in Dolby-TrueHD/DTS-MA audio streams. And the program to do it, ffdcaenc, is free. I use it quite a bit.
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30th November 2017, 02:01 | #26774 | Link | |
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Absolutely! Why setting for 640 (or less) when you can have DTS @ 1536...??? Of course, SOME older films or material it might not matter much, but anything with a decent soundtrack...??? |
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30th November 2017, 15:29 | #26775 | Link |
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Because it's a waste. If AC3 at 640Kbs is invisible and indistinguishable from the original LPCM to the human ear -- why do you need a higher bitrate? Save the extra bandwidth so it can be used to improve your video.
Last edited by jdobbs; 30th November 2017 at 21:13. |
30th November 2017, 23:44 | #26776 | Link | |
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But that's Lathe, he likes to overly tweak things to the point where they waste time and space. He seems to have an anal compulsive obsession about these things. And then there's MrVideo, he knows better |
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1st December 2017, 01:12 | #26777 | Link |
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While I supposedly know better, I too agree with using DTS for sources that start out with DTS-MA, or Dolby TrueHD. that are converted to LPCM. DTS is just a little better encoder. Use 768k if you want to save on some bitrate.
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2nd December 2017, 23:53 | #26780 | Link | |
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I'm into Eastern medicine, thoughts and activities for the body that bests Western Docs. I still hear sounds a bit better than most I've met. I'll check into ffdcaenc with 768k for fun.
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