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Krylonicon
Contributor I
Oct 27, 2018 2:13 AM UTC

Sourround not working

Just set up beam sub and two ones for sourround. No sound from the sourrounds... how do i fix this?
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Ken_Griffiths
Ken_Griffiths
Oct 27, 2018 7:09 PM UTC
Okay .. the Dolby Digital selection in the settings is for Dolby Stereo according to the Vizio manual. The 'Bitstream' digital output setting is for surround sound. Hopefully that will fix your problem. Let me know how it goes.?
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KryloniconAuthor
Contributor I
Oct 27, 2018 9:33 PM UTC
Bitstream gave the same result. I did notice dolby 2.0 work with surround. But 5.1 does not. Adjusted in net flix and got surround. But some cable channels are 5.1 and some are 2.0. How do i get the speakers to accept dolby 5.1.
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Ken_Griffiths
Ken_Griffiths
Oct 27, 2018 9:48 PM UTC
Bitstream gave the same result. I did notice dolby 2.0 work with surround. But 5.1 does not. Adjusted in net flix and got surround. But some cable channels are 5.1 and some are 2.0. How do i get the speakers to accept dolby 5.1.
I don’t know what you mean, sorry? ... the vizio TV manual says for surround sound to set the digital audio output to Bitstream... so it will then output all channels to their respective speakers. So if you Play a Netflix film as an example, that has 5.1 Dolby surround sound, it should just work automatically. Perhaps then try the Auto setting.... see attached screenshot from the manual.
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KryloniconAuthor
Contributor I
Oct 27, 2018 10:10 PM UTC
So i set my digital audio on my tv to pcm and the audio in on about my sonos has switched to stereo.. now i get audio from my surrounds on every channel and netflix... not sure if im loosing sound quality but it sounds prety darn good.....
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Ken_Griffiths
Ken_Griffiths
Oct 27, 2018 10:29 PM UTC
Krylonicon,

If you’re still struggling to get the full surround sound output from the TV, you may perhaps want to speak to the vizio support desk and see what they can recommend for you. If you do decide to do that and eventually get it working, can you kindly let me know the outcome please, just for future reference.

My only other thought at the moment, is that the TV may just support PCM and Dolby Digital stereo audio and that the Bitstream is perhaps more-geared towards the DTS codec rather than Dolby Digital 5.1 surround sound, but perhaps see what vizio have to say about the matter.

A further useful link, perhaps...

https://www.lifewire.com/what-is-bitstream-1846846

A separate issue entirely from the surround sound, but to control your vizio TV with Alexa Voice Controls and CEC... I found this too in the manual on enabling CEC controls over the HDMI port. So you may want to enable that setting too, if you have not done that already.

Hope that helps. ?
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