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View Poll Results: Should SPE Drop Dolby TrueHD and use DTS-HD Master Audio? | |||
Yes, Drop TrueHD for DTS-HD MA |
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899 | 58.76% |
No, I like things the way they are |
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152 | 9.93% |
Wouldn't matter to me either way |
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450 | 29.41% |
Other |
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29 | 1.90% |
Voters: 1530. You may not vote on this poll |
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#1461 |
Active Member
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SILVERADO and QUICK AND THE DEAD have just been announced by SONY for 8th september but they still have TRUEHD for audio, if SONY are changing to DTS then my question is when?
Last edited by Deciazulado; 06-29-2009 at 10:22 PM. Reason: qte |
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#1462 |
Blu-ray Samurai
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#1463 | |
Blu-ray Samurai
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#1464 | ||
Blu-ray Samurai
Sep 2008
Bainbridge Island, WA
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If the DN value is -31, then the decoder makes no adjustment. That's what Sony is doing - entering a value that prevents a DN adjustment. Last edited by BIslander; 06-29-2009 at 07:13 PM. |
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#1465 |
Active Member
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Yes, even on Sony, Paramount, and the old Disney titles. I have just gotten into the habit of turning up the sound when it is a Dolby TrueHD track. It's not like it means the sound is inferior. But it's just a way of life with TrueHD, and something I don't have to do with PCM or DTS-HDMA. The same is true for DD+ and DD, and less so for the DTS-HDHR/DTS-core. This really does explain the difference people hear, I believe. DTS is louder.
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#1466 | |
Blu-ray Samurai
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#1467 | |
Active Member
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Underworld: Rise of the Lycans Ghostbusters The Grudge The International (which was an excellent audio track!) National Treasure: Book of Secrets (which did sound weaker than NT 1 PCM track, but that was probably the mix, not the codec) Enchanted (which was also an excellent track) Disney's experiment with TrueHD audio was short-lived, so I don't have too many examples. I could list more examples of Sony titles if you want me to, but overall, I have to beef up the audio on TrueHD regardless of studio. Once it's beefed up, there are reference type tracks that have Dolby TrueHD. |
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#1468 | |
Blu-ray Samurai
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#1469 | |
Active Member
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#1470 |
Power Member
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i hear so many complain that they have to adjust a true hd track because of dial norm. I ask these people do you not have to adjust any of your dtshdma or pcm tracks for a suitable listening level. Not all tracks are recorded at the same level, for example i cannot play the fast and the furious dts hdma track at reference level without loosing hearing, but i can play the harry potter pcm tracks at reference just fine. That for me negates the issue of having too adjust the volume for dial norm since i have to adjust for dtshdma or pcm tracks to because of different recording levels
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#1471 | |
Blu-ray Samurai
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#1472 | |
Active Member
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I am usually fine whether I am listening to Mrs. Doubtfire or Wanted. As I have stated, the DTS-HDMA tracks are loud. I don't have to make too many adjustments and whether it's quiet or loud the level I have it set at is fine. It's only with TrueHD that I have to raise the volume because the quiet moments need to be heard more clearly. It's not that TrueHD is inferior, it just needs to be bumped up more. |
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#1473 | |
Power Member
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#1474 | |
Active Member
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#1475 |
Power Member
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i dont think they are inferior, i could care less about adjusting the volume on any track. Two dtshdma tracks that i can think of off hand that i need to lower the volume on are the fast and furious series and independence day. I would go deaf if i played them at the same level as most other tracks. Do you own those titles?
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#1476 | |
Active Member
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I do own Independence Day and while a few of the explosions were over the top loud, I didn't have to constantly adjust my volume at all. The ones I specifically had to adjust were the POTC movies, the first one really. I also had to adjust for Unbreakable too. The DTS-HDMA tracks that were too boomy were Doomsday and Hellboy 2. So maybe Universal is cranking their dials too high on their encodes, but for the most part, I am fine overall, even with the movies I listed. They just have "stingers" in them that are crazy loud. ![]() And I don't really care that I have to adjust the volume either. It just seemed that a few people seemed to have act like they didn't have to adjust volume on TrueHD tracks, and I simply wanted to comment that I do have to on practically every occasion. This was not a criticism, just a comment. In the end, plenty of TrueHD tracks are superb and wouldn't show any improvement with DTS-HDMA except in loudness. |
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#1477 | |
Blu-ray Count
Jul 2007
Montreal, Canada
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#1478 | |
Blu-ray Samurai
Sep 2008
Bainbridge Island, WA
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So, let's a say movie is recorded at the typical -27dbFS for average dialog. If it's encoded using dts-MA, it comes out of the DTS decoder at -27dbFS. If the same movie soundtrack is encoded using TrueHD with a dialnorm value of -27, the Dolby decoder will adjust overall loudness so that average dialog is dropped 4db and comes out at -31dbFS. But, it is important to note that the DN value is not computed by the encoder. The encoding engineer can enter whatever value he wants. So, if that same movie is encoded with a DN value of -31, the decoder won't make any adjustments and the average dialog level will actually be -27dbFS, just like the output of the DTS decoder. When Sony says it doesn't use dialnorm, I believe that means they enter a DN value of -31 to prevent the decoder from adjusting the loudness on playback. Here's the bottom line: all of the important work is done by the decoder. Dolby decoders process DN values and act accordingly. As far as I know, DTS decoders do not. As for sourcing, the metadata pdf linked earlier in this thread spells out what Dolby does. But, I haven't seen any similar documentation from DTS. Nor have I seen anything from Sony actually explaining what they mean when they say they don't use dialnorm. Last edited by BIslander; 06-30-2009 at 03:06 AM. |
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#1479 |
Blu-ray Count
Jul 2007
Montreal, Canada
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In PM's thread (at least it was one of the insiders one) Peter linked to something from DTS. As for not use DN, the technical aspect is in the Dolby document linked earlier. DN can range from -31 to 0 where 0 means no DN or act as if DN=-31 (so no audio manipulation)
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#1480 |
Member
Dec 2007
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I want the best lossless audio since I pay a premium for the movie. The best and highest bitrate.
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thread | Forum | Thread Starter | Replies | Last Post |
Dolby TrueHD v. dts-HD Master Audio, Hulk comparison | Audio Theory and Discussion | Tok | 120 | 10-29-2010 07:20 AM |
Sony Switches Dolby TrueHD for DTS-HD Master Audio | Blu-ray Movies - North America | igloo1212 | 92 | 08-19-2009 08:57 AM |
Dolby TrueHD and DTS-HD Master Audio decoding | Home Theater General Discussion | Preeminent | 7 | 07-05-2009 11:06 PM |
DTS-HD Master Audio vs Dolby TrueHD | Audio Theory and Discussion | alphadec | 26 | 05-18-2009 12:51 AM |
Dolby TrueHD vs. DTS-HD Master Audio | Blu-ray Technology and Future Technology | Zinn | 11 | 10-10-2007 04:29 PM |
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