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I have new TV (LG) and unlike my old Panasonic TV I can only have one audio channel out ,I,e, HDMI or Optical or Bluetooth or ……. My wife needs hearing aids so we have to use an Oticon TV adapter to stream sound to her hearing aids, which means the Sonos Beam is connected from the optical out port of the Oticon TV adapter. Having this set up means I lose the experience of Dolby Atmos on my Beam, but someone suggested to me that I should be able to “upmix” from Stereo or 5.1 signal and remap to Atmos ? 

Optical doesn’t support Dolby Atmos audio.


Not even via “Upmix” ? This is what I got from another forum “Any device (AVR/AVP/Soundbar) which supports Dolby Atmos will include an option to ‘upmix’ any incoming Stereo or 5.1 signal and remap the Source Signal to whichever Atmos layout you are using.”


No, not even via ‘upmix’.