An HDMI audio extractor is just that, it extracts audio, in any format, from the A/V stream. It will not convert anything that Sonos does not support to DD 5.1 So if you use an audio extractor, and feed it DTS audio from a Blu-ray, that will not work.



So whatever playback device (Apple TV, PS4, BluRay player) you use, that should be outputting or converting its output to DD5.1, before you run it through the HDMI audio extractor, for you to get 5.1 audio from your Sonos system.

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Hi Dick



The PlayBar, Sub and two Play:1's will support Dolby (but not Dolby +) via the optic connection, as per: https://www.sonos.com/en-gb/shop/playbar.html



Does that answer your question or am I missing something?

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More precisely, I am wondering if anyone has experience with an iArkPower HDMI audio extractor to produce Dolby 5.1 to input (via Optical Port) to SONOS Playbar, Sub and (2) Play:1 Rear speakers.

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No, I've not used that extractor, but based on reviews, it should be fine. Like the others above though, I don't how the extractor can help you in your situation.



What are you're video sources? Cable box? Blu-ray? Game console? In a typical setup, these devices connect to your TV, and your TV then passes the audio signal on to the playbar. Some TVs can't do this well, but your Samsung should have no issue.



If you're only getting PCM stereo, then either your sources are not producing DD 5.1, your TV audio configuration is limiting output to PCM, or you actually are getting DD 5.1 but don't realize it since you haven't setup the surround speakers yet.



People usually get extractors because they have an older TV that either doesn't have an optical output, or can't passthrough audio, which doesn't look like it would apply to your TV.

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