Contributor I

Answered

Sonos Playbar only shows Stereo PCM 2.0

35 replies
21238 views

I have

Media source: Apple TV (3rd Gen)

Video Player: Optomo UHD52ALV Projector connected through HDMI from Apple TV

Audio: Sonos Playbar (set up as surround sound with sub + 2 Sonos One) and Connected through Optical cable from Apple TV

When I play Netflix on Apple TV and choose audio English [Original] (5.1) or Amazon Prime to choose a movie with “Dolby Digital Plus” The Sonos app shows the Audio IN as “Stereo PCM 2.0” in both cases.

Checked Sonos App for System Update and shows “Your Sonos system is up to date”.

Bought this audio splitter https://www.amazon.ca/gp/product/B07JDGBBXF/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 and cant get the 5.1.

Is this even possible?

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GuitarSuperstarAnswer

Lead Maestro

I have an Apple TV (Gen 3) connected through HDMI. I just tested Jack Ryan on Prime Video. I believe Prime is limited to Stereo 2.0 on the Apple TV (Gen 3). I can get Dolby Digital 5.1 through Netflix though. I imagine it should work through optical too.

"Receive with simplicity everything that happens to you." - Rashi

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Turnbull1875

Contributor I

Not bothered about Disney anyway I was just wondering eh , so theres nothing to worry about then I guess , I get 5.1 from everything else, sky tv , Amazon prime , Netflix, discovery plus and so on .

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RobertRegreb

Lyricist I

I also am having this issue all of a sudden. I’ve been getting dolby 5.1 on prime video for the past month or two I’ve been using it constantly, within the past two weeks it only shows on the app that it is playing stereo PCM. Nothing changed and I don’t think I have played with any connections, definitely not within the past week or two. I would have noticed. I will call sonos but I hope someone figures this out. All speakers are playing and sub but it sounds like, well, two way stereo.

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SilverSun

Lyricist II

I also am having this issue all of a sudden. I’ve been getting dolby 5.1 on prime video for the past month or two I’ve been using it constantly, within the past two weeks it only shows on the app that it is playing stereo PCM. Nothing changed and I don’t think I have played with any connections, definitely not within the past week or two. I would have noticed. I will call sonos but I hope someone figures this out. All speakers are playing and sub but it sounds like, well, two way stereo.

I’m having this exact issue! I got the brand new AppleTV and now everything coming through PCM from the AppleTV. However, if I use the apps built into my Sony x900 it is Dolby Digital Plus on my Sonos app. Not sure what to do…I’ve giggled many things and nothing working.

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GuitarSuperstar

Lead Maestro

@SilverSun Do you have Change Format and Immersive Audio set to Off on the Apple TV? If this setting still gives you stereo PCM, try setting Change Format to On and choose Dolby Digital.

FYI… since your TV is not equipped with eARC, it cannot play Dolby Atmos audio from the Apple TV 4K. Also, the Apple TV uses Dolby MAT so Dolby Digital Plus audio will play as Multichannel PCM 5.1 out of the Arc, unless you adjust the Change Format setting to Dolby Digital which will result in Dolby Digital 5.1 audio.

"Receive with simplicity everything that happens to you." - Rashi

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SilverSun

Lyricist II

@SilverSun Do you have Change Format and Immersive Audio set to Off on the Apple TV? If this setting still gives you stereo PCM, try setting Change Format to On and choose Dolby Digital.

FYI… since your TV is not equipped with eARC, it cannot play Dolby Atmos audio from the Apple TV 4K. Also, the Apple TV uses Dolby MAT so Dolby Digital Plus audio will play as Multichannel PCM 5.1 out of the Arc.

OK. So I found Audio Format on my AppleTV. It was set to off. When I set it to On, it then displayed Dolby Digital 5.1. But not Dolby Digital Plus I get from the apps built into my TV.
Then there is Audio Mode on my AppleTV and it’s set to Off. If I toggle it, it changes to 16 bit. So not sure what that’s doing. But you’ve helped greatly. Thank you!

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