Dolby Atmos

  • 13 April 2018
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Userlevel 2
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No Sonos hardware can accept an ATMOS signal, as it cannot be carried over optical, it requires HDMI.

Now that Apple TV will support ATMOS couldn't it handle the ATMOS processing and output to the soundbar?


No that won't be possible with the current playbar

The Playbar does not have any height channel speakers - even if your playbar could decode Atmos, it would sound exactly the same as normal 5.1 because there are no height channel tweeters facing the ceiling - basically the height channel in the Atmos signal would just get cut off and it would just output 5.1.0 instead of 5.1.2

The only real difference is that Atmos signal would be a higher bitrate so the sound quality may sound slightly better to your ears because Dolby Digital is a lossy format while Atmos is lossless but that's it and only real audiophiles can tell the difference between lossy and lossless sound anyway, the average person cannot


You hit the nail on the head there. It would sound exactly the same as normal 5.1. Thats exactly what I want. Because the alternative is hearing stereo.

You see most modern ultra-hd bluray releases don't add a Dolby Digital sound track anymore. Only Atmos, or DTS, or stereo. So with any Sonos home cinema set, you are either hearing stereo or nothing or you need an expensive transcoding bluray player or something to get 5.1.

I'm not interested in a 7.1 setup. I want my Sonos 5.1 setup to be able to play ALL forms of audio codec I throw at it. Ragnarock Ultra-HD bluray release? can't watch it no sound. Planet Earth II. Can only watch it in stereo. You get my point?
You are wrong. Here is the product description:
"The home theater sound bar and music player in one." No where do they say, "we sell it as a device that is simply better than your TV speakers." If you actually care to go read it yourself, you will see that it says "home theater" device AND streams music, too. Check you facts please, before spouting off false statements. The speakers do natively fire in an upwards direction, more at an angle, so there's no saying they cannot update firmware to work with Apple 4K with Atmos. May not be as good as others with original design elements for Atmos, but not too say it will never happen. Play One can be mounted to fire up, too.
Saying that SONOS isn’t home theater is odd. They make a play bar specifically to sit under the tv. Maybe my idea of home theater is naive but the fact that atmos currently requires hdmi is more relevant than anyone’s opinion

They sell the playbar as a device that is simply better than your tv speakers, it's not advertised as a all in one home theatre package and if you read the description for the playbar, the ability to stream music and mentioned far more than the ability to do surround sound - it's obvious while the playbar is capable of doing 5.1 sound (when you add the rears and sub) - it's only marketed as a better speaker than the ones in your tv and by the way, it streams music and it can play music with the other wireless sonos speakers in other rooms

However Sonos do need to up their game, some TV's with built in speakers are now starting to do 5.1 and they can decode Dolby True HD etc, so technically some TV's with built in speakers are producing higher quality sound than Sonos so Sonos saying that the PLaybar is better than your TV's speakers may not be true anymore unless they up their game with a new product
I believe I’ve read that Dolby Atmos can’t be transmitted across an optical connection, as well.
Userlevel 4
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Saying that SONOS isn’t home theater is odd. They make a play bar specifically to sit under the tv. Maybe my idea of home theater is naive but the fact that atmos currently requires hdmi is more relevant than anyone’s opinion

They sell the playbar as a device that is simply better than your tv speakers, it's not advertised as a all in one home theatre package and if you read the description for the playbar, the ability to stream music and mentioned far more than the ability to do surround sound - it's obvious while the playbar is capable of doing 5.1 sound (when you add the rears and sub) - it's only marketed as a better speaker than the ones in your tv and by the way, it streams music and it can play music with the other wireless sonos speakers in other rooms

However Sonos do need to up their game, some TV's with built in speakers are now starting to do 5.1 and they can decode Dolby True HD etc, so technically some TV's with built in speakers are producing higher quality sound than Sonos so Sonos saying that the PLaybar is better than your TV's speakers may not be true anymore unless they up their game with a new product
Userlevel 5
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AppleTV 4K which is the one that will support Atmos with the TVOS update does not have an optical out. So without new kit from Sonos it is not going to work. Passing the signal via a receiver won’t yield a hi res sound with the number of channels in a manner which sonos can distribute. Sonos need to up their game or be left behind. I have my fingers crossed.
Userlevel 4
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No Sonos hardware can accept an ATMOS signal, as it cannot be carried over optical, it requires HDMI.

Now that Apple TV will support ATMOS couldn't it handle the ATMOS processing and output to the soundbar?


No that won't be possible with the current playbar

The Playbar does not have any height channel speakers - even if your playbar could decode Atmos, it would sound exactly the same as normal 5.1 because there are no height channel tweeters facing the ceiling - basically the height channel in the Atmos signal would just get cut off and it would just output 5.1.0 instead of 5.1.2

The only real difference is that Atmos signal would be a higher bitrate so the sound quality may sound slightly better to your ears because Dolby Digital is a lossy format while Atmos is lossless but that's it and only real audiophiles can tell the difference between lossy and lossless sound anyway, the average person cannot
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No Sonos hardware can accept an ATMOS signal, as it cannot be carried over optical, it requires HDMI.

Now that Apple TV will support ATMOS couldn't it handle the ATMOS processing and output to the soundbar?
Saying that SONOS isn’t home theater is odd. They make a play bar specifically to sit under the tv. Maybe my idea of home theater is naive but the fact that atmos currently requires hdmi is more relevant than anyone’s opinion
Userlevel 7
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No Sonos hardware can accept an ATMOS signal, as it cannot be carried over optical, it requires HDMI.
Userlevel 4
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I suppose I should rephrase that question to whether there a plans to set up multiple SONOS speaker system to be able to decode and set up an ATMOS soundscape for home theater viewing.

Unlikely, as above Sonos is a music player company first, home theatre second and their devices need to do both, to have a separate upward firing atmos speaker would make it useless for music so it won't happen

in reality your best option is to go buy speakers and a receiver and setup your own atmos system, I know that's what I'll be doing - I only went with Sonos due to limited space, but once I have space the Sonos will be gone replaced by a real home theatre system
Userlevel 7
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I always say Sonos is the perfect platform for a wireless Dolby Atmos system. A SuperConnect box where you hook your hdim. Then the Superconnect will coordinate all 7 independent Sonos speakers in full Dolby Atmos.

Wishfull thinking as I see little chance in it happening. But thing what a perfect solution it would be for projector users - people where the devices are not up front.
Userlevel 4
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I suppose I should rephrase that question to whether there a plans to set up multiple SONOS speaker system to be able to decode and set up an ATMOS soundscape for home theater viewing.

No. Sonos is not a Home Theater company.
Userlevel 2
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I suppose I should rephrase that question to whether there a plans to set up multiple SONOS speaker system to be able to decode and set up an ATMOS soundscape for home theater viewing.
Userlevel 4
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An Atmos soundbard requires upward firing speakers to bounce sound off the ceiling in an attempt to create the upward sound channel

The current playbar does not have any upward firing speakers, to support Atmos the playbar requires a complete re-design
Userlevel 5
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I am unable to conceive of a reason why they would do that. Why? Because it is irrelevant to how Sonos works.
Want a 7.2.9.27.twelvety system. Buy one.