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Contributor I
September 7, 2014

Full stereo option when watching TV audio ... please?

Ya know how we have the option for full stereo or ambient when listening to music in a full 5.1 sonos stet-up?  Can we get that with TV output as well, please?  There is still plenty of content that is stereo output on many internet streams and traditional media.  Having full stereo helps create an enveloping sound field when outputted via the playbar and the surrounds.
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131 replies

RobertDaleSmith
Lyricist I
March 11, 2019
Me too but mainly when watching or listening to music channels on TV or music based smart TV content. There should be a 'music' button between 'speech enhancement' and 'night mode' that uses the 'full' or 'ambient' setting of the app

Please Sonos this is my number one complaint. At least I know I am not the only one.
Music is Life
Virtuoso
March 13, 2019
Wow I'm in the market for a sonos playbar etc and if I can't do a simple function like toggling to 2ch then I guess I need to look elsewhere. 4 years people have been asking sonos for this basic function if you search this forum. Not great support

Don't hold your breath, can't understand why they won't code this option in. Far more useful than some of the stuff they've been up to recently..
melvimbe
March 13, 2019

Don't hold your breath, can't understand why they won't code this option in. Far more useful than some of the stuff they've been up to recently..


While usefulness is going to vary from customer to customer, I'd have to agree that this certainly seems like a rather easy change with a big pay off. If the audio coming in is only 2 channel, I don't see why they can't treat it as if it's music source. Even if it meant a 5 second delay before the change kicked in, it would still be a big positive.

I'm normally hesitant to say that a code change is easy, but in this case, Sonos has already implemented this feature for the music source use case.
Danny
Smilja
March 13, 2019
I'm normally hesitant to say that a code change is easy, but in this case, Sonos has already implemented this feature for the music source use case.
There's no buffering in TV mode, meaning that in addition to introducing serious lip syncing issues, you won't never ever get the rears to play in perfect sync with Playbase/Beam/Playbar/Amp whilst in 'stereo mode'.
»And the world is like an apple whirling silently in space, Like the circles that you find in the windmills of your mind.« (›Windmills Of Your Mind‹ [1967]. Music by Michel Legrand ; English lyrics written by Alan & Marilyn Bergman)
melvimbe
March 13, 2019
I'm normally hesitant to say that a code change is easy, but in this case, Sonos has already implemented this feature for the music source use case.
There's no buffering in TV mode, meaning that in addition to introducing serious lip syncing issues, you won't never ever get the rears to play in perfect sync with Playbase/Beam/Playbar.


The playbase/beam/playbar/amp would trasmit to the rears over 5.0 GHZ, same as it does when sending surround sound channels. I wouldn't think there would be a signal processing caused delay either since you aren't processing a new channel or anything. I don't see how you're concluding that sync issue would occur.
Danny
Smilja
March 13, 2019
TV is a live broadcast, the audio signal would have to be converted/preprocessed by Beam et al. to (double) stereo during the transmission on the fly and passed on to the rears. As long as it remains impossible to switch the rears ad hoc between surround configuration and stereo pair this request will remain not feasible.
»And the world is like an apple whirling silently in space, Like the circles that you find in the windmills of your mind.« (›Windmills Of Your Mind‹ [1967]. Music by Michel Legrand ; English lyrics written by Alan & Marilyn Bergman)
melvimbe
March 13, 2019
TV is a live broadcast, the audio signal would have to be converted/preprocessed by Beam et al. to (double) stereo during the transmission on the fly and passed on to the rears.

There's nothing that has to be converted or processed. All you're doing is sending channels you already have to the rears in addition to the front. Unless there is some sort of hardwiring going on that physical prevents the Beam from sending the LF signal to the LR speaker, I don't see why this is an issue. It can't be more intensive that having the beam recognize that it's receiving a DD 5.1 signal and deciding to send the LR channel to the LR speaker.

I'm open to the possibility that I'm missing some important detail, but I'm not hearing anything that makes me think this is not possible.
Danny
Lyricist I
March 14, 2019
An option to switch TV sound to stereo would be great. Stereo sound for music sounds much better. Please try to make this happen.
Ken_Griffiths
March 14, 2019
My personal thoughts here, are that there is currently minimal delay to play a PCM stereo signal to the Beam/PlayBar/PlayBase etc. but asking that main controlling device to receive, then send the same two channel stereo to its rear bonded speakers, most likely means that the audio would need to first be buffered and synchronised before playing the output. If that buffering requirement is true, then perhaps the audio then falls too far out of sync with the video showing on screen, making it not worthwhile to watch and listen in that way. I can’t see this feature being achieved without some sort of audio buffering by the main controlling device.

I’m guessing this has perhaps already been tried and put in the 'too difficult to do' box, as it has been spoken about lots over several years by community members and there is no 'strong hint' at all from Sonos that they may one day introduce this much requested feature.
melvimbe
March 14, 2019
but asking that main controlling device to receive, then send the same two channel stereo to its rear bonded speakers, most likely means that the audio would need to first be buffered and synchronised before playing the output.

Could be true, but I don't see why that would require buffering, but sending different rear surround channel audio to the rear bonded speakers would be less or none at all. Does duplicating a channel require processing?

The reason buffering (enough to cause video lip sync issues) is required for going from Sonos room to room is because of the wireless 2.4 GHZ limitations, not any kind of processing issues, right? You can build a wired whole home system without any buffering, delay issues, or am I wrong about that? Is it an issue between an analog and digital signal?


I’m guessing this has perhaps already been tried and put in the 'too difficult to do' box, as it has been spoken about lots over several years by community members and there is no 'strong hint' at all from Sonos that they may one day introduce this much requested feature.


I would guess that it's not been requested enough to be a priority, or that the control of such a function within the Sonos app is more complicated than it appears from the outside.

I suppose it doesn't really matter. The feature is not there regardless, I'm just discussing for discussion sake.
Danny