Series X ATMOS Broken After Update

Discus and support Series X ATMOS Broken After Update in XboX Insiders to solve the problem; Console v 10.0.26100.4857 (xb_flt_2506ge.250702-1500), shell: 2506.0.2506.11001. Sudden loss of audio channels on ATMOS. Setup is standard: Xbox > tv... Discussion in 'XboX Insiders' started by /u/ZieraD, Jul 15, 2025 at 3:02 AM.

  1. /u/ZieraD
    /u/ZieraD Guest

    Series X ATMOS Broken After Update


    Console v 10.0.26100.4857 (xb_flt_2506ge.250702-1500), shell: 2506.0.2506.11001.

    Sudden loss of audio channels on ATMOS. Setup is standard: Xbox > tv earc > earc soundbar. All configs result in loss of center channel/s in Samsung 11.1 q900d setup. ATMOS functions as expected when connected to any other device.

    Reverted to Dolby digital to restore audio. Please advise. These setups are thousands of dollars with the sole purpose of having ATMOS experience.

    submitted by /u/ZieraD
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  2. JamesWenham1 Win User

    Will Microsoft every update the UHD blu ray player to be able to stream atmos?? It’s a joke

    Settings are all set up for atmos, the UHD player doednt support Dolby Atmos metadata. Highest it can do is Dolby Tru HD. The one x plays games - streams content from netflix, youtube etc in Dolby Atmos this is confirmed on thr TV and the Sound system.
    I have dolby access all my components are correct. I dont see why if microsoft have the license for Atmos (as its funtioning on all other aspects in tbr console) that they wouldnt just do a software update so the UHD player can. Looking at thr specs on tbe
    series x that still shows the new UHD player on the series x still doesnt put out dolby atmos. Needs updating
  3. TimL1974 Win User

    Netflix Not Outputting Dolby Atmos On Xbox One

    I'm having the same issue. The program page says Atmos but my receiver is only getting a Dolby Surround signal (not DD+ which would indicate Atmos).

    Not sure if its connected, but the Apple TV+ app on the Series X has also stopped outputting Atmos the last few months. So maybe its a more general Series X Atmos bug. Still works fine on Prime and Disney +.
  4. Goofy19781 Win User

    Atmos Problem

    Dolby Surround is a upscaler from a not atmos source like 5.1 or 2.0 to surround with use of al your speakers like 5.1.2 or higher.

    dts neuralx is the same upscaling system from dts

    You had no problem with atmos, you think you had.

    Now with the new firmware update the xbox one x is a broken thing with netflix

    With a non atmos source the receiver must do the upscaling but now the xbox puts out a 2.0 or 5.1 stream in a atmos package, and no sound is comming out your atmos speakers.
  5. Goofy19781 Win User

    Dolby atmos issues

    Yes its now broken with the update, for watching netflix with a real atmos setup 5.1.2.

    The receiver thinks its atmos but its a 5.1 or even a 2.0 stream hidden in a atmos package.

    blu ray works fine atmos is atmos and 5.1 is upscaled by the receiver to dolby surround with use or al your atmos speakers so it must be.
  6. BlakePenfield Win User

    Xbox Seriex X - Atmos 7.1 Audio Clipping

    Same issue here.

    I’ve got my Series X hooked up to a brand new LG C2 using the HDMI cord that came with the Series X.

    I’ve got an Atmos-enabled Vizio sound bar (5.1 + two height speakers in the sound bar) hooked into the TV’s HDMI-Arc port.

    I have no issues with Atmos sound when playing games on Series X. I have no issues when watching Atmos-compatible movies in streaming apps like Apple or Disney+.

    But, when I play an Atmos-enabled 4K Blu-ray Disc on the Series X blu-ray app, I get this weird audio buffer after a few minutes. The movie may go 20 minutes without, but once is starts going it gets more consistent. This issue persists regardless of which Atmost-enabled 4K Blu-ray I use.

    I’ve tried messing with the settings - switching back and forth on allowing pass through, etc.

    Funny thing is, on my older TV (a TCL Series 6 which was not VRR or 120 hz compatible) I had zero issues. My Series X would play Atmos 4K blu-rays no problem. Only difference I can think of is that on my old setup I hooked the Series X directly into the input of the sound bar and then output from the sound bar into the TV (it was the only way I could get Atmos to work on the old TCL Series 6). On my current set up with the LG C2 I don’t do that because passing the Series X through the sound bar would take away the VRR and 120 hz capabilities my new TV can do.

    Can anyone help?
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Series X ATMOS Broken After Update

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