Question Denon AVRX2200W and Apple TV playing Dolby Atmos

fwokinfwok

Standard Member
Should my Denon display 'Dolby Atmos' when I'm watching something recorded in Dolby Atmos..? I have ceiling mounted speakers alongside the usual surround sound speakers and sub but the display just comes up 'Dolby Surround' when watching something in Dolby Atmos.
 

dante01

Distinguished Member
The AV receiver will show Atmos on its front panel display if and when detecting Atmos metadata sent to it from an Apple TV 4K. The Apple TV does however use Dolby MAT to convey this metadata to an AV receiver via HDMI in conjunction with multichannel PCM data:

Dolby Atmos in Dolby MAT
The Dolby Metadata-enhanced Audio Transmission (Dolby MAT) encoder resides in a Blu-ray player to pack the variable bit-rate Dolby TrueHD bitstreams for transmission over the fixed bit-rate HDMI connections. A MAT decoder is subsequently employed in an AVR to unpack the Dolby TrueHD bitstreams. With the introduction of Dolby Atmos, we have expanded this technology to support encoding of Dolby Atmos content as lossless pulse-code modulation (PCM) audio.

A key benefit of Dolby MAT 2.0 is that Dolby Atmos object-based audio can be live encoded and transmitted from a source device with limited latency and processing complexity. Among the possible sources are broadcast set-top boxes, PCs, and game consoles. The Dolby MAT 2.0 decoder in an AVR outputs the object-based audio and its metadata for further processing. The Dolby MAT 2.0 container is scalable and leverages the full potential of the HDMI audio pipeline.
The ATV also needs to be configured in a certain manner in order for it to output Atmos if and when available:
 

dante01

Distinguished Member
It would need to be the Apply TV 4K with at least TVOs12. You'd also only get Atmos soundtrack if accessing and playing 4K video content. THe streaming services don't include it with the HD variants of the content they carry.
 

swanny78

Active Member
I’ve suddenly lost the ability to send Atmos to my receiver from my Apple TV . Is stays pcm digital and multi in + surround. No Atmos flag on receiver was fine up until today. I notice I can’t see Atmos on Disney or Netflix either. Works fine on my Xbox connected to same amp. In settings it says Atmos is on . If I click off the setting dissapears. Has something changed an update or something ?
 

Zeusyburger

Active Member
I’ve suddenly lost the ability to send Atmos to my receiver from my Apple TV . Is stays pcm digital and multi in + surround. No Atmos flag on receiver was fine up until today. I notice I can’t see Atmos on Disney or Netflix either. Works fine on my Xbox connected to same amp. In settings it says Atmos is on . If I click off the setting dissapears. Has something changed an update or something ?
Same here...
 

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