Trending Lyricist I

LG C9 and Sonos Arc

134 replies
35891 views

Hey all, my Arc was delivered this morning and I've had a chance to hook it up to my LG C9 directly via eARC and ran a few tests regarding Atmos and other features.

Built in apps:

Netflix - Reporting Dolby Atmos (DD+) for Atmos content.
Disney+ - Reporting Dolby Digital Plus 5.1 (though this is likely due to the current throttling taking place in the EU)
Amazon Prime - Reporting Dolby Atmos (DD+) for Atmos content.

Xbox One:

HDMI Audio set to Bitstream out and Bistream Format set to Dolby Atmos has no delay, finally! Displays Dolby Atmos in Sonos app.

PS4:

Like with the Xbox, there's no delay on Bitstream HDMI audio

NVidia Shield Pro:

Netflix - Reporting Dolby Atmos (DD+) for Atmos content.
Amazon Prime - Reporting Dolby Atmos (DD+) for Atmos content.
Disney+ - Reporting Dolby Digital Plus 5.1 (though this is likely due to the current throttling taking place in the EU). After connecting up to a US VPN it's reporting Dolby Atmos (DD+) for Atmos content.
PLEX - This is where it gets slightly annoying. Playing TrueHD content it reports Stereo 2.0. Setting Passthrough to HDMI reports Dolby Atmos (TrueHD). For DTS content you need to switch the Passthrough setting to Optical which in turn causes TrueHD to playback in Dolby Digital Plus 5.1.

Apple TV:

iTunes Content - Reports Dolby Atmos for Atmos content. Non Atmos content reports Stereo 2.0. With Change Format > On and New Format > Dolby Digital 5.1, I receive Dolby Digital 5.1 from non-Atmos iTunes content. I ran this test using Beetlejuice and Avengers Assemble.
Netflix - Reports Dolby Atmos for Atmos content.
Amazon Prime - Reports Dolby Atmos for Atmos content.
Disney+ - Reporting Stereo 2.0 for all content bizarrely. Setting audio output on the Apple TV to Dolby 5.1 allows all content to playback in 5.1 rather than stereo.

My C9 is running firmware 04.80.03 with the following settings:

Sound Out

HDMI ARC selected

Digital Sound Out set to Passthrough

eARC set to ON

Additional Settings

DTV Audio Setting set to Auto

HDMI Input Audio Format set to Bitstream.

If there's anything else I can test or any questions, let me know!

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B

Bezzer

Trending Lyricist I

Hi All, i appreciate I’m certainly in the category of ‘all the gear no idea’ but i took purchase of my LG C9 and my Sonos Arc yesterday. I have the arc connected into HDMI 2 (as this states its ARC) so question number one, is this the correct HDMI port to use? or does enabling eARC convert all HDMI ports to be eARC? I have then tried Netflix, Disney +, Amazon, and SKY UHD, and all are showing as Dolby vison on screen, although through their respective apps, says it supports Dolby ATMOS. Through the Sonos app the ‘now playing’ shows nothing rather annoyingly, just the volume! I have eARC enabled and sound through is auto. Am i doing something wrong? Furthermore my Sonos app wont recognize any device this morning :-(. Restarted all appliances, restarted my router, still nothing. Strangely my Amazon dot is working fine! Any help is much appreciated

its will be a specific port. on my b9 its port 2. then you need to go into sound settings and enable earc and passthrough. Are you using the netfix app on your tv or on a connected device?

Thank you, thorugh the tv

Yeah i think there is some confusion in labelling. The tv just shows dolby vision BUT when you look on the app its playing ATMOS. Try this with 6 underground (its an atmos film on netflix) then your tv will show dolby vision and the app should show atmos

P

paulleach_uk

Lyricist I

Hi All, i appreciate I’m certainly in the category of ‘all the gear no idea’ but i took purchase of my LG C9 and my Sonos Arc yesterday. I have the arc connected into HDMI 2 (as this states its ARC) so question number one, is this the correct HDMI port to use? or does enabling eARC convert all HDMI ports to be eARC? I have then tried Netflix, Disney +, Amazon, and SKY UHD, and all are showing as Dolby vison on screen, although through their respective apps, says it supports Dolby ATMOS. Through the Sonos app the ‘now playing’ shows nothing rather annoyingly, just the volume! I have eARC enabled and sound through is auto. Am i doing something wrong? Furthermore my Sonos app wont recognize any device this morning :-(. Restarted all appliances, restarted my router, still nothing. Strangely my Amazon dot is working fine! Any help is much appreciated

Hey Paul. Yeah HDMI 2 is the correct port to plug the Arc into. The TV doesn’t show a pop-up when playing Dolby Atmos audio like it does when playing Dolby Vision content when configured using an external speaker/soundbar. What does it report in the app under Settings > System > About My System when trying to watch something on Netflix in Atmos? Also out of curiosity are you using the HDMI cable that came with the Arc?

Did you try re-setting up the devices in the Sonos app?

Many thanks for the prompt reply Zophop. Ive actually just tried switching the HDMI cable as i was using the one in the box, but have swapped this out for one that details it has Ethernet, unfortunately still showing as Dolby Vision. Just reset the app now, and no products found. yipee :-(

Really bizarre, sorry to hear you’re having so many issues! What version is your C9’s firmware at currently?

04.80.03

P

paulleach_uk

Lyricist I

Hi All, i appreciate I’m certainly in the category of ‘all the gear no idea’ but i took purchase of my LG C9 and my Sonos Arc yesterday. I have the arc connected into HDMI 2 (as this states its ARC) so question number one, is this the correct HDMI port to use? or does enabling eARC convert all HDMI ports to be eARC? I have then tried Netflix, Disney +, Amazon, and SKY UHD, and all are showing as Dolby vison on screen, although through their respective apps, says it supports Dolby ATMOS. Through the Sonos app the ‘now playing’ shows nothing rather annoyingly, just the volume! I have eARC enabled and sound through is auto. Am i doing something wrong? Furthermore my Sonos app wont recognize any device this morning :-(. Restarted all appliances, restarted my router, still nothing. Strangely my Amazon dot is working fine! Any help is much appreciated

Hey Paul. Yeah HDMI 2 is the correct port to plug the Arc into. The TV doesn’t show a pop-up when playing Dolby Atmos audio like it does when playing Dolby Vision content when configured using an external speaker/soundbar. What does it report in the app under Settings > System > About My System when trying to watch something on Netflix in Atmos? Also out of curiosity are you using the HDMI cable that came with the Arc?

Did you try re-setting up the devices in the Sonos app?

Many thanks for the prompt reply Zophop. Ive actually just tried switching the HDMI cable as i was using the one in the box, but have swapped this out for one that details it has Ethernet, unfortunately still showing as Dolby Vision. Just reset the app now, and no products found. yipee :-(

Really bizarre, sorry to hear you’re having so many issues! What version is your C9’s firmware at currently?

04.80.03 Having turned the ARC off, the tv then shows its playing Dolby vision and Dolby Atmos

Z

ZophopAuthor

Trending Lyricist I

Hi All, i appreciate I’m certainly in the category of ‘all the gear no idea’ but i took purchase of my LG C9 and my Sonos Arc yesterday. I have the arc connected into HDMI 2 (as this states its ARC) so question number one, is this the correct HDMI port to use? or does enabling eARC convert all HDMI ports to be eARC? I have then tried Netflix, Disney +, Amazon, and SKY UHD, and all are showing as Dolby vison on screen, although through their respective apps, says it supports Dolby ATMOS. Through the Sonos app the ‘now playing’ shows nothing rather annoyingly, just the volume! I have eARC enabled and sound through is auto. Am i doing something wrong? Furthermore my Sonos app wont recognize any device this morning :-(. Restarted all appliances, restarted my router, still nothing. Strangely my Amazon dot is working fine! Any help is much appreciated

Hey Paul. Yeah HDMI 2 is the correct port to plug the Arc into. The TV doesn’t show a pop-up when playing Dolby Atmos audio like it does when playing Dolby Vision content when configured using an external speaker/soundbar. What does it report in the app under Settings > System > About My System when trying to watch something on Netflix in Atmos? Also out of curiosity are you using the HDMI cable that came with the Arc?

Did you try re-setting up the devices in the Sonos app?

Many thanks for the prompt reply Zophop. Ive actually just tried switching the HDMI cable as i was using the one in the box, but have swapped this out for one that details it has Ethernet, unfortunately still showing as Dolby Vision. Just reset the app now, and no products found. yipee :-(

Really bizarre, sorry to hear you’re having so many issues! What version is your C9’s firmware at currently?

04.80.03 Having turned the ARC off, the tv then shows its playing Dolby vision and Dolby Atmos

Is your Sonos app showing all your devices yet? I’m assuming you’re running the new S2 app?

M

Marc_51

Enthusiast II

Hi All, i appreciate I’m certainly in the category of ‘all the gear no idea’ but i took purchase of my LG C9 and my Sonos Arc yesterday. I have the arc connected into HDMI 2 (as this states its ARC) so question number one, is this the correct HDMI port to use? or does enabling eARC convert all HDMI ports to be eARC? I have then tried Netflix, Disney +, Amazon, and SKY UHD, and all are showing as Dolby vison on screen, although through their respective apps, says it supports Dolby ATMOS. Through the Sonos app the ‘now playing’ shows nothing rather annoyingly, just the volume! I have eARC enabled and sound through is auto. Am i doing something wrong? Furthermore my Sonos app wont recognize any device this morning . Restarted all appliances, restarted my router, still nothing. Strangely my Amazon dot is working fine! Any help is much appreciated

Hey Paul. Yeah HDMI 2 is the correct port to plug the Arc into. The TV doesn’t show a pop-up when playing Dolby Atmos audio like it does when playing Dolby Vision content when configured using an external speaker/soundbar. What does it report in the app under Settings > System > About My System when trying to watch something on Netflix in Atmos? Also out of curiosity are you using the HDMI cable that came with the Arc?

Did you try re-setting up the devices in the Sonos app?

Many thanks for the prompt reply Zophop. Ive actually just tried switching the HDMI cable as i was using the one in the box, but have swapped this out for one that details it has Ethernet, unfortunately still showing as Dolby Vision. Just reset the app now, and no products found. yipee :-(

Really bizarre, sorry to hear you’re having so many issues! What version is your C9’s firmware at currently?

04.80.03 Having turned the ARC off, the tv then shows its playing Dolby vision and Dolby Atmos

Is your Sonos app showing all your devices yet? I’m assuming you’re running the new S2 app?

I have the same issue. I only get DD+ and not Atmos from the internal Netflix and Disney + apps but not Atmos. I get full Atmos from my externally connected devices like my ATV and Xbox. I then downloaded the Dolby Access app onto the TV. This displays as Atmos perfectly. This tells me that my TV can pass Atmos to the Arc from internal apps. Not sure what the issue with the internal Netflix app is. It doesn’t even highlight Atmos content in the content descriptions. Says everything is DD.

Download the Dolby Access app and see what you get.

M

Marc_51

Enthusiast II

Updated my firmware from the out off the box 3.60 to 3.71 and it has sorted all my issues once I updated the Netflix app. All internal apps are now showing and playing Atmos correctly. The 3.80 update isn’t showing for download on my TV yet and I haven’t got a memory stick but I will probably wait until Sonos sort the LPMC before I upgrade the TB software any further.

R

ReInstall

Contributor I

Is it LG or Plex that needs to fix this? I assume it would work on the Sonos Arc if it got the signals...

So frustrating that I can’t get Dolby Atmos TrueHD to play!

D

Danindub

Trending Lyricist III

Hey all, my Arc was delivered this morning and I've had a chance to hook it up to my LG C9 directly via eARC and ran a few tests regarding Atmos and other features.

If there's anything else I can test or any questions, let me know

thanks for your feedback, I’m tempted to get one of those bars for my C9 too.

problem I had with Sonos one was that the TV wouldn’t show the volume level/number when connected to the soundbar... could you let me kindly know if that’s the case with this one too?

thanks!

Daniel

R

ReInstall

Contributor I

Yes that's the way hdmi arc works. You can only see a volume + or - appear on screen. You can see the volume amount on the sonos app.

D

Danindub

Trending Lyricist III

Yes that's the way hdmi arc works. You can only see a volume + or - appear on screen. You can see the volume amount on the sonos app.

I was hoping that Arc using HDMI 2.1 and all would be able to communicate volume with the TV… somehow Samsung TVs from what I understand don’t have that issue?

Dan

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