Series X/PS5 Slim “Screen Flickering” and Dolby bu Sound Delay

/u/LeftieLeftorium · Mar 26, 2025 at 3:12 PM

SETUP: Series X and PS5 Slim both connected to Sony Bravia 4K UR3 75 inch (2021 model) and Sony HT-G700 Soundbar connected to HDMI Arc (not eARC). All cords used are ultra high speed HDMI 2.1.

My TV gets these brief, random “flickering lines” that travel across the screen. It only seems to happen when using either gaming console, specifically when booting up, when changing the volume or when changing inputs. It doesn’t happen when actually playing a game or when doing anything else (streaming youtube, Disney Plus, etc.) with the TV. Everything else works fine.

It finally started bothering me (I work full-time and doing a PhD, so time is limited to “check out” and enjoy), so I’ve started digging in to figure it out. Apparently I’ve been playing on Stereo Uncompressed the whole time. My current setup was such a significant upgrade from my last set up that I didn’t realize there are better options. Now I’m aware of this Dolby Atmos issue, I’ve been reading lots, and playing around with settings based on all the suggestions people have made on Reddit, a variety of websites and support forums.

The delay does not exist for me when using Stereo Uncompressed, 5.1 Uncompressed, Dolby Digital, DTS Digital or my headphones (I know people are having problems with some of these options too). Other than the 100-200ms delay, Dolby Atmos sounds pretty amazing and I’d really like to enjoy the best sound option as advertised.

The screen flickering issue persists and it’s irking me now. I’m wondering if people can help me understand:

Is the screen flickering audio and/or video related? What could be causing it? Is it possible my TV is struggling to handle these consoles, is my TV starting to go, or is it just the way it is and don’t worry about it?

Is DTS Digital Surround superior to 5.1 compressed/Dolby Digital? In other words, just use DTS and be done with it.

I appreciate any insight or help people can give. Thank you.

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xDevilxGirlx421

probaly delayed because it will come out on ps5 and series x

sturae229

Well yes. The problem is constant. Whenever you’re in a game that uses Dolby atmos or even on Netflix through the series x. It needs a software patch to fix it. Delay is present on all Dolby atmos content

Xiang Fish

Updated:

I found that my soundbar SONY HT Z9F soundbar use HDMI 2.0 of which bandwidth is 18gbs connect to my TV using eARC port, so I changes my HDMI to

8K HDMI of which soundbar is 48gbs, and the delay improve a lot that it is hard to notice now.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------

I have tested. My set is

TV has enable eARC and set sound passthrough, HDMI BITSTREAM. XBOX SERIES allows PASSTHROUGH.

XBOX SERIES X --> LG 65 QNED90 --> SONY HT Z9F (eARC)

there is very noticeable delay on Atmos but don't have delay on any uncompressed sound like 5.1 or 7.1

XBOX SERIES X --> SONY HT Z9F (eARC) --> LG 65 QNED90

the atoms sound is sync with image, but I got a ton of delay on controller input, so I set TV image mode to Game Optimize,

and set game mode to FPS, the controller input delay is gone, but now, i got atoms delay back...

By the way, because my TV doesn't support DTS - X PASSTHROUGH, so when I connect XBOX to my soundbar, I could enable DTS X, and DTS X is working perfectly and there is no any delay comparing to Dolby Atmos.

Razer Blade 15 with RTX 2070 MAX Q --> LG 65 QNED90 --> SONY HT Z9F (eARC)

I don't have any input or atmos sound delay in this set.

So here is conclusion:

xbox series x has issue to passthrough Atmos content, even thought it is directly connect to sound bar, the sound or TV try to delay image to sync with atmos sound which causes a ton of input delay. But once you set the TV into low legacy input mode to get rid of input delay, the Atmos sound delay will be back.

And Razer blade 15 with RTX 2070 MAX Q which is PC is perfectly working at Atmos without any issue.

So this is definitely XBOX SERIES X ISSUE!!!!

SwordofWhedon

You’re looking at processing delay, you need to adjust the audio delay on either your TV or the sound bar consult your manual

kqmaverick

I have same issue with an LG B9 (OLED55B9PUA) and LG Soundbar (SN8YG) connected VIA eARC.

Series X/PS5 Slim “Screen Flickering” and Dolby bu Sound Delay

Series X/PS5 Slim “Screen Flickering” and Dolby bu Sound Delay

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