Problem with Dolby Atmos and LGOLED55C14LB tv

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I have connected my Sonos Beam gen 2 to my LG tv via the HDMI eArc input, However even though the broadcasts from Apple TV are carry the Dolby Atmos signal my sound bar is only playing them in stereo. When I unplug the sound bar the TV will play the sound in Dolby Atmos. When I reconnect the sound bar the sound is only in stereo. The tv is an LGOLED55C14LB

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SimmzAnswer

Prodigy I

On the LG TV press and hold the configuration button. On the sound menu make sure following is set:

Sound out: HDMI ARC

Additional settings:

DTV Audio Setting: Auto

HDMI input audio format: Bitstream

Digital sound out: pass through

eARC: Enabled

Try those and see if it fixes it.

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Simmz

Prodigy I

Answering my own question but might help others, turned out to be a Sky Q box issue. Used apps on TV instead of through Sky and now get Dolby Vision and Atmos.

Sky Q box doesn't support Dolby Atmos on any of the apps, it only works for their own content. Box doesn't do Dolby Vision either, just HDR.

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