Skywave X40 Dolby Atmos stuttering

[krautmeister]

I wanted to passtrough my whole Audio Setting from my Xbox to the Skywave X40 to emable Full Dolby Atmos. But ive I Watch Blurays with it the Audio is massive stuttering and the led always Show Dolby Atmos every few seconds like if it would be reconnecting.

 

[Ultimea Team]

The phenomenon you described—"severe audio stuttering, with the Dolby Atmos indicator flashing every few seconds, as if constantly reconnecting"—usually indicates a compatibility or stability issue somewhere in the signal transmission, resolution, or processing.

Adjust Xbox Audio Output Settings

This is a crucial troubleshooting step. Please access your Xbox's audio settings menu:

Temporarily change the "Audio Output" format from "Dolby Atmos" to "Stereo Lossless" or "5.1 Uncompressed." Then play the same Blu-ray disc to test if the audio stuttering issue disappears.

Other Troubleshooting Paths
Try Different Input Sources

If possible, try connecting your Xbox directly to another HDMI port on your TV, and then route the audio back to your X40 via the TV's eARC port. This helps determine if the problem originates from the X40's HDMI input port. Also, ensure that eARC is enabled in your TV settings and that "Passthrough" or "Auto" audio output mode is selected.

We sincerely apologize for any inconvenience this issue may have caused. Our goal is to help you restore a smooth experience as soon as possible, and we look forward to your feedback.

 

[krautmeister]

Hello, i already tried to change the Audio output Format from Atmos to Stereo and back. Didnt work. For hdmi Connection: The Soundbar is connected to my HDMI Port 1 (EARC) and my Xbox to HDMI2.

 

[Leongino]

Hi! That sounds really frustrating, especially when you just want to enjoy your Blu-rays in Atmos.

From what you describe (the LED showing “Dolby Atmos” every few seconds), it looks more like a handshake/connection issue between the Xbox, TV and the X40 than a problem with the soundbar itself.

I’d try this step by step:

1. Check if it only happens with Blu-rays
   If Atmos works fine in games or apps (Netflix, Disney+, etc.), then the problem is almost certainly related to the Xbox Blu-ray player.
2. Xbox settings
   • Audio: Bitstream out + Dolby Atmos for home theater.
   • Video: set the console to 4K / 60 Hz (not 120 Hz) and test a Blu-ray.
   • As a test, switch to 7.1 uncompressed: if the stutter disappears, the issue is in the Atmos bitstream path.
3. HDMI chain and cables
   • Try a different HDMI cable.
   • If possible, test Xbox → X40 → TV, or set your TV’s audio output to Bitstream/Passthrough instead of PCM.

With those steps you can usually track down where the problem is.

 

[krautmeister]

I tried with Gaming and Streaming there is No Problem with Atmos.

 

[krautmeister]

So should I try it with connecting the xbox directly in the hdmi in port from the Soundbar?

 

[Leongino]

So should I try it with connecting the xbox directly in the hdmi in port from the Soundbar?

Can you send me the Xbox and TV model and your current configuration?

 

[krautmeister]

I have an Xbox Series x. Tv is Philips 70PUS7906

Soundbar Config ist currently the standart Mode with no upmixer

 

[Leongino]

If possible, test Xbox → X40 → TV (Xbox into the bar, bar into TV) at least for movies – 4K/60 is enough for Blu-rays and often much more stable for Atmos.

If you share screenshots of your settings with me, I can help you resolve it better.

 

[AlexTypeR]

Is your hdmi cable hdmi 2.1? I dont think the hdmi cable that comes with the soundbar is. Check on amazon. You dont need to spend a fortune for a cable.

 

[krautmeister]

This seemed now to worked. Thank you very much.

 

[Leongino]

This seemed now to worked. Thank you very much.

Great, we're here for whatever you need.

 

[krautmeister]

That only Problem is now if I want to Watch a movie that has dts I dont get any Sound. Before it was like converted to dolby. So i have always to disable the complete passtrough before watching a movie with this Format or leave it always on but the the Dolby Atmos logo will Not Show on my screen if I watched Atmos Content on another time.

 

[Ultimea Team]

That only Problem is now if I want to Watch a movie that has dts I dont get any Sound. Before it was like converted to dolby. So i have always to disable the complete passtrough before watching a movie with this Format or leave it always on but the the Dolby Atmos logo will Not Show on my screen if I watched Atmos Content on another time.

Because the Skywave X40 itself does not support DTS decoding, it cannot process DTS audio tracks, resulting in silence. You can try disabling the "Pass-through" or "Pass-through" option in your playback device's (such as an Xbox) audio settings and selecting Dolby Digital Plus as the audio output format.

With this setting, your playback device will convert all audio (including DTS and Atmos) to Dolby format in real time, a format that the X40 can recognize and process. This ensures that all movies have sound, and you still get a high-quality surround sound experience, although it's not the original lossless bitrate.

We hope this solution serves as an effective compromise, significantly reducing inconvenience in your daily use.