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LG CX / sonos Arc / apple tv

  • 1 August 2021
  • 1 reply
  • 241 views

Hi all, 

Alright I just got the LG cx in order to get oled AND earc support because I was getting lipsync issue with my samsung q80r and apple TV (Video before Audio)

  
But as I did all the requirement with the LG I realised that the audio seems to be a little bit earlier with the apple TV.  
I know I can adjust this but unfortunately I can’t seem to find the perfect settings because it seems that each time I switch to another app (disney+ or Netflix or even youtube) everything seems out of sync.  


Can someone who has this setup share his audio settings ? I dont understand I tried everything.

Earc On/off

Passthrough or auto

Bitstream or PCM

and Bypass or not AV sync.  


Tried to change cable same same.

Am I the only one. Was the purpose of earc not supposed to address this issue ?

Oh and with the built in apps everything works great but I would like to use the apple TV.

Thanks all for the help

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1 reply

Ken_Griffiths

The usual sound settings to go with on the LG TV are:

  • Sound Out: ‘HDMI ARC’
  • HDMI Input Audio Format: ‘Bitstream’
  • Digital Sound Out: ‘Pass Through’
  • eARC: ‘On’
  • DTV Audio: ‘Auto’

After making the changes power off all devices (not standby) for 30+ seconds to ensure the ‘handshake’ between devices and TV/Arc are setup correctly. 
HTH

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