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A quick question,

I have a Sonos arc, sub gen 3, and also x2 era speakers used as a cinema surround system.

iv noticed when watching the Gladiator film on a 4k Blu-ray Disc the sound format says DCM 5.1. But Iv noticed and compared that the surround sound doesn’t come through the era 300.

 

but when I played the same film  on Netflix on the same player the sound format comes through as Dolby digital plus 5.1. And the surround sound works great.

 

iv tested a few blurays and the surround sound works fine, but I wondered why does the 4k blue ray disc have a different sound format and doesn’t work as good as a bluray or through Netflix??? 
 

can anybody help. 

Are you using an eARC connection on the TV, or just ARC?  For full format Blue-ray audio, you are going to need to connect via an eARC port. 

Yes I’m using the only eARC on the sky glass tv

Yes I’m using the only eARC on the sky glass tv

 

I’d check that eARC is enabled on the TV.  Then remove all devices from power, then start them back up one at a time to force a new HDMI handshake.

Ok iv had a go at doing that but stilL

doesnt work when the film is playing on the 4k disc

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