+1Hello,
I have a Sonos Beam (connected to TV via Arc), a Sonos amp wired to 2 in-ceiling speakers and 2x Sonos Ones.
The Beam and 2x Ones are setup together as surround sound.
Best answer by Ken_Griffiths
Set the TV to audio pass-through instead. You will not get much, if anything, from the rear surrounds, with PCM stereo - check the TV sound-out is set to either Dolby Digital 5.1 if the Beam is a gen1 model or Dolby Digital Plus 5.1 (Atmos) if it’s a gen2. That said an ‘Auto’ setting should (hopefully) work too.
You then need to play a Dolby surround sound audio source - perhaps a Netflix/Prime/Disney+ Movie etc.
If you group the Amp room with the Beam HT room, all will play in sync for music audio, but the Amp (grouped) room will encounter a 75ms delay when receiving the TV audio - you will however find tools in the Sonos App that may help to sync the playing TV audio, but as a consequence you may then encounter lip-sync issues with the video on screen. See this link:
https://support.sonos.com/en-us/article/tv-audio-and-video-are-out-of-sync
+18What does the Sonos app say you get for sound when you are not hearing the rears?
+1This is what I see on Sonos.
However, when I go through the audio settings of the TV I only have the choice of PCM or Auto and have set to Auto, so I am not sure what to do?
Set the TV to audio pass-through instead. You will not get much, if anything, from the rear surrounds, with PCM stereo - check the TV sound-out is set to either Dolby Digital 5.1 if the Beam is a gen1 model or Dolby Digital Plus 5.1 (Atmos) if it’s a gen2. That said an ‘Auto’ setting should (hopefully) work too.
You then need to play a Dolby surround sound audio source - perhaps a Netflix/Prime/Disney+ Movie etc.
If you group the Amp room with the Beam HT room, all will play in sync for music audio, but the Amp (grouped) room will encounter a 75ms delay when receiving the TV audio - you will however find tools in the Sonos App that may help to sync the playing TV audio, but as a consequence you may then encounter lip-sync issues with the video on screen. See this link:
https://support.sonos.com/en-us/article/tv-audio-and-video-are-out-of-sync
I want to draw attention to Ken’s comment about the test source. 99% of YouTube’s content is stereo only, do not use it, no matter how much it claims to be something else.
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