Originally Posted by Steve Goff
Source devices DO NOT decode the DD+ stream to Atmos and send it via HDMI to a receiver or sound bar. That is not how it works. The source device had to send bitstreamed audio to the receiver or sound bar.
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Let's look at three scenarios here: One - Dolby Atmos compressed or lossy - via ARC (internal apps) , Two - Dolby Atmos uncompressed - lossless via a Bluray Player (the ONLY way to obtain uncompressed Dolby Atmos,) and Three - Dolby Atmos via a streamer like Roku, the Fire Cube or Apple 4K TV. And for sake of discussion, let's talk about how your sound is setup - - soundbar or AVR with external speaker system.
For internal apps, think of "source" devices as where the processing takes place for Dolby Atmos decoding for a DD+ audio stream. The same for a streaming "box" that is Dolby Atmos capable. This is different that for a Bluray Player - it's the Bluray Player that is capable of sending bitstreamed audio to your AVR or soundbar. THAT is where the decoding is taking place.
The only way to get Dolby Atmos from Netflix (internal apps via ARC - not a separate device as listed below) is to pass the DD+ stream from your Sony 900F to your AVR via ARC and then to your speaker system. Or, if you have a high end soundbar, like Creative X-FI Sonic Carrier (https://us.creative.com/soniccarrier/
) that has onboard processing. Or an Integra DLB5 with Dolby processing - http://www.integrahometheater.com/Pr...ss#prettyPhoto
. Some soundbars like the Samsung HW-950 only have Dolby Atmos via a Bluray Player.
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What do I need to stream with Dolby Atmos audio with Netflix?
Which devices support Dolby Atmos audio with Netflix?
- A Dolby Atmos-capable audio system.
- A plan that supports streaming in Ultra HD. You can check which plan you’re currently on at netflix.com/ChangePlan
- A Netflix-capable device with Dolby Atmos support
- Streaming quality set to High or Auto. More information about video quality settings can be found in our Playback Settings article.
The following devices support Dolby Atmos with Netflix:
- Apple TV 4K (requires tvOS 12 or later)
- LG OLED TVs (2017 or newer models)
- Pixela 4K Smart Tuner
- Sony BRAVIA Android TVs (2018 models)
- Windows 10 app (requires Windows 10 RS3 Build 16299 or later)
- Xbox One, Xbox One S, and Xbox One X
Net-net - you will NOT get Dolby Atmos via DD+ (internal apps) via ARC with a soundbar UNLESS you have a higher end soundbar with processing or you have an AVR or you do not use the internal apps and have one of the following devices listed above for Netflix. And the same for Amazon Prime streaming:
The Amazon Fire TV 3 (pendant)
and Fire TV Cube
are the only two Fire TV models that support Dolby Atmos. Some smart TVs will also be able to stream the series with Dolby Atmos through the Amazon Prime Video app built into the TV’s operating system. The Roku Ultra and Apple TV running the latest beta version of iOS 12 should also be able to stream with Dolby Atmos.