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home theatre rear speakers

  • February 26, 2024
  • 16 replies
  • 781 views

So , I have a player and two rear speakers . Sometimes , especially late at night or it may just be what’s playing , I want to put the voice on the rear speakers so I don’t have to crank the volume . Is there a way ? I wish there was just a mode you could turn on ! 

Best answer by Ken_Griffiths

Another option you could perhaps try, is to unbond the rear speakers from the HT and stereo pair them instead and then group them with the Soundbar, but mute the soundbar, so as not to create an echo in the room. That will usually work too with PCM stereo audio. I don’t personally like this however, as the voices coming just from behind my listening position always seems a little odd to my ears.

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16 replies

Ken_Griffiths

In the Home Theatre room settings in the Sonos App ‘Settings/System‘ goto Surround Audio and move the ‘TV Level’ slider control over to the far right to shift the front channel audio to the rear speakers.


  • Author
  • Contributor I
  • February 26, 2024

That just makes the rear channel louder . I want the voice from the playbar in the rear speakers . So basically 5.1 to 2.1 


Ken_Griffiths

That just makes the rear channel louder . I want the voice from the playbar in the rear speakers . So basically 5.1 to 2.1 

Maybe switch the TV audio-out codec to PCM stereo and then adjust the slider in the App and see if that works for you. I get the news presenters voice from the rear speakers when doing that.


  • Author
  • Contributor I
  • February 26, 2024

Ok , I’ll try that although I think I’m already in pcm but I relying on memory !! Wish Sonos had a mode button !! 


  • Author
  • Contributor I
  • February 26, 2024

Yeah , it’s already pcm 


Ken_Griffiths

Yeah , it’s already pcm 

So if you put the news on your TV, do you not get the newsreaders voice from your rear speakers when you slide the ‘TV Level’ over to the right?


  • Author
  • Contributor I
  • February 26, 2024

Haven’t tried the news but I’m watching idol . Rear speakers only have rear speaker sounds . Voice is in the playbar . Like I mentioned before , I only want to put it in the rear speakers for late night listening or certain programs that need the voice closer to me 


Ken_Griffiths

Another option you could perhaps try, is to unbond the rear speakers from the HT and stereo pair them instead and then group them with the Soundbar, but mute the soundbar, so as not to create an echo in the room. That will usually work too with PCM stereo audio. I don’t personally like this however, as the voices coming just from behind my listening position always seems a little odd to my ears.


  • Author
  • Contributor I
  • February 26, 2024

I like the setup I have and don’t want to change it . Just want to go from surround to stereo occasionally to place all the sounds in the rear speaker so I’m closer to the voice . I’m sure for Sonos , that’s an easy extra button to slide !! 


Ken_Griffiths

Haven’t tried the news but I’m watching idol . Rear speakers only have rear speaker sounds . Voice is in the playbar . Like I mentioned before , I only want to put it in the rear speakers for late night listening or certain programs that need the voice closer to me 

The rear speakers should not have any audio output with PCM 2.0 stereo… it’s only the left/right front channels that you should hear from the rear, when moving the ‘TV Level’ over to the right hand side.🤔


  • Author
  • Contributor I
  • February 26, 2024

I have pcm , full back channel sound on the rears 


Ken_Griffiths

I have pcm , full back channel sound on the rears 

That sounds like you’re getting Dolby ProLogic II decoding, as that allows ambient audio to the rears - I would double check the TV settings are set to PCM and not Auto.


Ken_Griffiths

Maybe see this link…

https://audioviser.com/pcm-or-dolby-digital-for-soundbar/

"PCM isn’t built to support surround sound"

 


  • Author
  • Contributor I
  • February 26, 2024

 


Ken_Griffiths

I have an LG TV too - I’ve just tested it with the news channel here and get nothing from my rear speakers until I move the TV Slider. It’s probably some sound engineering trickery. PCM 2.0 (uncompressed) is just two channels only and no separate .LFE (Sub channel) as far as I’m aware. 


Ken_Griffiths

If you’re getting some background/ambient audio from PCM 2.0 - then you’re likely going to hear the same ‘merged’ channel audio from the rear speakers aswell, even if Sonos were to introduce a ‘mode button’ to do this anyway.