Dolby Atmos is Coming to Blu-ray - AVS Forum

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imagic's Avatar imagic
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Are you anxious to try Dolby Atmos at home? The good news is Blu-ray discs will feature the object-oriented surround-sound format starting this year.

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Today is definitely Dolby Atmos day in the news. TWICE.com reports that the object-based surround-sound format will be available on select Blu-ray released as early as this fall.

"Dolby said consumers likely won’t need a new Blu-ray player to play Atmos-encoded discs because “existing players that fully conform to the Blu-ray specification will be able to support Dolby Atmos content on a Blu-ray Disc,” - See more at TWICE.com

According to Dolby, the main requirement to enjoy Atmos at home is a compatible AVR. Fortunately, both Onkyo and Pioneer announced new Atmos-compatible receivers today. The format is compatible with HDMI 1.3 and above, as well as current-generation Blu-ray players. It looks like the future of home AV audio is finally here.

Are you planning to upgrade to Atmos?

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Scott Simonian's Avatar Scott Simonian
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Can't wait to know what movies are going to be released with an Atmos compatible audio track.
imagic's Avatar imagic
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Quote:
Originally Posted by Scott Simonian View Post
Can't wait to know what movies are going to be released with an Atmos compatible audio track.
I bet Godzilla is the first!
JWagstaff's Avatar JWagstaff
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Are there any technical documents released yet for it? Since the specs are already set on blu-rays for it, I wonder if current AVR's will be able to receive firmware updates eventually for Atmos? Or if you could buy a new blu-ray player that decodes Atmos and sends it to your receiver that isn't Atmos capable to give ceiling speakers or whatever.
caloyzki's Avatar caloyzki
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Is dolby atmos for HT will be fine with just 5.1 set up? Or any specific numbers of speakers?

I hope ps3 will get the firmware update for dolby atmos.
imagic's Avatar imagic
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Quote:
Originally Posted by caloyzki View Post
Is dolby atmos for HT will be fine with just 5.1 set up? Or any specific numbers of speakers?

I hope ps3 will get the firmware update for dolby atmos.
Supposedly it works with existing Blu-ray players, so it should work with a PS3. The player is "blind," it only sees the bits, the key is in the decoder—that's why a new AVR or processor is needed, but not a new disc format or player.
DRaven72's Avatar DRaven72
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I wonder if Steaming networks like Vudu instead of the HDX format will have an Atmos selection?
WayneJoy's Avatar WayneJoy
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I believe that your player will have to be able to bitstream the atmos signal, so PS3's that have to send PCM might not work.
fierce_gt's Avatar fierce_gt
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what's the recommended version of atmos?


seems like there's a lot of options here, but let's say you have a 11ch receiver. what's better, 7.1.4 or 9.1.2?


I'm assuming 4 is the max for 'height' speakers, and that it would be two in the front and two in the rear?


if you run only 2 height speakers, does the sound that would have gone to the rear height speakers end up going to the rear speakers, or the front height speakers? like should you keep the front height speakers at the front of the room, or move them to directly overhead?
pittsoccer33's Avatar pittsoccer33
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Doesnt Atmos utilize dozens of speakers? How could you achieve this at home, especially in a room much smaller than a theater auditorium?
kevon27's Avatar kevon27
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Nice.. Studios can re-re-release movies "Now Encoded with Dolby Atmos".. So all your blu-ray action movies will have to repurchased to get the extra 5 channels.. Oh, hollywood, take our money, please..
AllenA07's Avatar AllenA07
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Right now I'm about a year out from upgrading my AVR. My next AVR upgrade will involve some degree trying to future proof it somewhat by making sure it is something that I can expand into. For that reason, I would like to get a AVR that has Atmos, even if I don't intend to initially use it. If I like what I'm hearing about it, then I can consider making the necessary changes to making it work for me. At this point though, I'm just not sold on people buy modules for the top of their speakers.
KidHorn's Avatar KidHorn
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Quote:
Originally Posted by Scott Simonian View Post
Can't wait to know what movies are going to be released with an Atmos compatible audio track.
Here's a list of possibilities...
http://en.wikipedia.org/wiki/Dolby_Atmos
KidHorn's Avatar KidHorn
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Quote:
Originally Posted by JWagstaff View Post
Are there any technical documents released yet for it? Since the specs are already set on blu-rays for it, I wonder if current AVR's will be able to receive firmware updates eventually for Atmos? Or if you could buy a new blu-ray player that decodes Atmos and sends it to your receiver that isn't Atmos capable to give ceiling speakers or whatever.

You really need a new AVR because the AVR has to be calibrated based on your speaker setup. The format isn't channel based like everything else. It's object location based. I suppose it's possible for the Blu-ray player to have a speaker setup like the AVR, but I think that would be pretty high on the unlikely scale.
Scott Simonian's Avatar Scott Simonian
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Quote:
Originally Posted by kevon27 View Post
Nice.. Studios can re-re-release movies "Now Encoded with Dolby Atmos".. So all your blu-ray action movies will have to repurchased to get the extra 5 channels.. Oh, hollywood, take our money, please..
I'm totally fine with this. Better that we as a consumer to have a choice. It's up to you not to purchase a new release.

I choose to buy what I want AND support Hollywood in the process.
KidHorn's Avatar KidHorn
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Quote:
Originally Posted by fierce_gt View Post
what's the short version of atmos?


are we talking more speakers? different configuration of speakers? or what?


atmos in theatres is like 32 channels is it not? just wondering what the home version boils down to, if it's apparently backwards compatible with the hardware...

I believe it will work with any speaker setup although I would think you would need at least 5.1 for any practical use and you really need some height channels to utilize it to its potential.
KidHorn's Avatar KidHorn
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Quote:
Originally Posted by kevon27 View Post
Nice.. Studios can re-re-release movies "Now Encoded with Dolby Atmos".. So all your blu-ray action movies will have to repurchased to get the extra 5 channels.. Oh, hollywood, take our money, please..

It's not channel based. Each sound has a X,Y,Z center coordinate and a size and volume. The receiver will utilize all available speakers to try to place the correct sound in the correct location.


But you will need to buy a Blu-ray that outputs this information.
fierce_gt's Avatar fierce_gt
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Quote:
Originally Posted by pittsoccer33 View Post
Doesnt Atmos utilize dozens of speakers? How could you achieve this at home, especially in a room much smaller than a theater auditorium?
I was confused as well, more so about how any of this could be the least bit backwards compatible. but from reading the article it appears that what's it's doing is adding the 'height' dimension to surround sound. it achieves this by re-allocating 2 or 4 channels to height speakers. so if you have a 7.1 speaker system now, you could turn 2 of those rear speakers into height speakers instead, and have a 5.1.2(5main, 1LFE, 2 height) setup. obviously the height speakers would need to be relocated.


i'm still unsure of the nitty gritty details, like where these height speakers should be placed if using 2 of them, or 4 of them for that matter. and whether or not a 5.1.2 is preferable to 7.1
fierce_gt's Avatar fierce_gt
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Quote:
Originally Posted by KidHorn View Post
It's not channel based. Each sound has a X,Y,Z center coordinate and a size and volume. The receiver will utilize all available speakers to try to place the correct sound in the correct location.


But you will need to buy a Blu-ray that outputs this information.
this sounds pretty cool for the future. really forward looking imo. 10yrs from now, these same BD's could potentially be used in 15.4.8 speaker systems and still work! the only thing that changes is the processor and number of speakers. neat!
KidHorn's Avatar KidHorn
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Quote:
Originally Posted by fierce_gt View Post
what's the recommended version of atmos?


seems like there's a lot of options here, but let's say you have a 11ch receiver. what's better, 7.1.4 or 9.1.2?


I'm assuming 4 is the max for 'height' speakers, and that it would be two in the front and two in the rear?


if you run only 2 height speakers, does the sound that would have gone to the rear height speakers end up going to the rear speakers, or the front height speakers? like should you keep the front height speakers at the front of the room, or move them to directly overhead?

The recommended setup that you can actually implement with 2014 AVRs is 9.4. You replace the 2 heights that neo:x and audyssey currently use with 4 heights that are on the ceiling and close to the corners.
sdurani's Avatar sdurani
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Quote:
Originally Posted by JWagstaff View Post
I wonder if current AVR's will be able to receive firmware updates eventually for Atmos?
Unfortunately not, since it requires new DSP chipsets to run.
Scott Simonian's Avatar Scott Simonian
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Quote:
Originally Posted by fierce_gt View Post
this sounds pretty cool for the future. really forward looking imo. 10yrs from now, these same BD's could potentially be used in 15.4.8 speaker systems and still work! the only thing that changes is the processor and number of speakers. neat!
This will be true for any object information. Not 100% of what you will hear is purely objects but also legacy channel information 'beds' in 5/7.1 audio.
mightyhuhn's Avatar mightyhuhn
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the bluray spec say 8 channel 192khz/24bit LPCM and these codecs:
DRA
DD
DD plus
DD TRUE HD
DTS
DTS MA HD
LPCM

so they are going to use the DD TRUE HD part? HDMI 1.4 is limited to 8 channel no matter what so maybe bitstreaming is a needed.

and on the link 5.1.2 is listed as a ATOMES "version" this should work they simply need different DD TRUE HD information not the standard layout. so 8 channel audio plus Layout for atomes looks possible with current BD player and BD spec.
JWagstaff's Avatar JWagstaff
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Quote:
Originally Posted by KidHorn View Post
You really need a new AVR because the AVR has to be calibrated based on your speaker setup. The format isn't channel based like everything else. It's object location based. I suppose it's possible for the Blu-ray player to have a speaker setup like the AVR, but I think that would be pretty high on the unlikely scale.
Quote:
Originally Posted by sdurani View Post
Unfortunately not, since it requires new DSP chipsets to run.
All companies would have to do is have the blu-ray player have the new atmos DSP chipsets and then send the information over LPCM or however they choose to the receiver. The blu-ray player would have to know the speaker set-up.
sdurani's Avatar sdurani
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Originally Posted by mightyhuhn View Post
so they are going to use the DD TRUE HD part? HDMI 1.4 is limited to 8 channel no matter what so maybe bitstreaming is a needed.
Yes, it will be bitstreamed as TrueHD (no such thing as "DD TrueHD").
sdurani's Avatar sdurani
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Quote:
Originally Posted by JWagstaff View Post
source?
New TI and AD chipsets in the new receivers that are not in current receivers.
Aaron Davis's Avatar Aaron Davis
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http://www.twice.com/news/components...by-atmos/45748

"Onkyo became one of the first audio suppliers to announce plans to ship audio electronics components with built-in Dolby Atmos decoding. The first three Onkyo products, shipping in August, are the $1,699-suggested TX-NR1030 and $2,399 TX-NR3030 A/V receivers and the $2,499 PR-SC5530 preamp/surround processor. The company will also bring the technology into lower price points with a firmware update, targeted in September, to enable Dolby Atmos decoding by its midprice TX-NR636, TX-NR737 and TX-NR838 networked A/V receivers, which are already available at suggested retails of $699, $899 and $1,199, respectively. - See more at: http://www.twice.com/news/components/onkyo-going-big-dolby-atmos/45748#sthash.5teYhtBi.dpuf"
Scott Simonian's Avatar Scott Simonian
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Quote:
Originally Posted by sdurani View Post
Yes, it will be bitstreamed as TrueHD (no such thing as "DD TrueHD").
What sucks is I still have this hope that maybe... just maybe we have been supplied Atmos tracks without knowing on current movies. However almost everything is DTS-MA. No chance on that, Sanjay you think? Probably not but I have to hope for something new now!


Ugh... also.... this news is so awesome but we still have yet to hear of DTS-UHD sound and when that will be available and on what.

Oye.
HockeyoAJB's Avatar HockeyoAJB
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Has anyone heard if there will be multiple types of Dolby Atmos encodings (e.g. both lossy and lossless versions) from the various sources or are all Dolby Atmos soundtracks going to be lossless?
cembros's Avatar cembros
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So if you setup your speakers to take advantage of Atmos how does that affect other source material, DTSHDMA, TRUE HD etc...
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