# Steam audio spatializer not working in build

**URL:** <https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209>\
**Category:** FMOD Studio\
**Tags:** android, unity\
**Created:** [July 31, 2025, 8:32pm UTC](https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209 "2025-07-31T20:32:00Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![basttian94](https://avatars.discourse-cdn.com/v4/letter/b/8dc957/32.png) [@basttian94](https://qa.fmod.com/u/basttian94)\
**Post date:** [July 31, 2025, 8:32pm UTC](https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209/1 "2025-07-31T20:32:00Z")

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Hi

I’m having a problem with the steam audio spatializer plugin in my project which is for the meta quest 3 device (VR/MR both options will be available). Basically it is working well when I’m on the unity editor, but is not the case when I run a build in the device. I was trying to get error logs from the build by using android studio log cat, but the only error that I have is this, which I’m not pretty sure is related with the steam issue:

15:18:16.516 E [FMOD] EventInstance::release(2608640) returned ERR\_INVALID\_HANDLE for STUDIO\_EVENTINSTANCE (0x27CE00).

UnityEngine.DebugLogHandler:Internal\_Log(LogType, LogOption, String, Object)

UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object)

UnityEngine.Logger:Log(LogType, Object)

UnityEngine.Debug:LogError(Object)

FMODUnity.RuntimeUtils:DebugLogError(String) (at /Users/general/buildAgent/work/DRMR\_Quest/Assets/Plugins/FMOD/src/RuntimeUtils.cs:594)

FMODUnity.RuntimeManager:ERROR\_CALLBACK(IntPtr, SYSTEM\_CALLBACK\_TYPE, IntPtr, IntPtr, IntPtr) (at /Users/general/buildAgent/work/DRMR\_Quest/Assets/Plugins/FMOD/src/RuntimeManager.cs:142)

As you can see I have no errors to work on, so I’d really appreciate wheter you can tell me how to know what is happening.

The project have been developed with Unity 6000.029f1, Fmod version is 2.03.07 and steam spatializer plugin version 4.6.1

Just to add, I’m using these plugins at the same time and I don’t know if they are having conflicts between each others, the entire game is running with metaxraudiofmod, but some sounds for testing setted with the steam saptializer (phonon\_fmod) are not working.

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/6/6785d3f014ac66bd7ef18f3c7dfb92763657eb73.png)

Thanks for your attention

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**Author:** ![Connor\_FMOD](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/connor_fmod/32/3685_2.png) [@Connor\_FMOD](https://qa.fmod.com/u/Connor_FMOD)\
**Post date:** [August 6, 2025, 4:09am UTC](https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209/2 "2025-08-06T04:09:43Z")

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Hi,  
Thank you for the information, unfortunately I was not able to reproduce the issue.

Could I please grab a screenshot of your FMOD dir:

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/a/a3ce16ec9eb23e5a1b2a53cb794552cbee167e26.png)  
And could you also please enable the following:  
 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/d/dfd99bc8d3b9d1c21fa437aaec485edeae2fd29e.png)  
let me know if there is any more information in the logs?

Could you also try renaming the plugin for Android to `libphonon_fmod`

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/6/6b8c209fa015fe5500ba05fb1f4d85139a812318.png)

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<div class="post-metadata">

**Author:** ![basttian94](https://avatars.discourse-cdn.com/v4/letter/b/8dc957/32.png) [@basttian94](https://qa.fmod.com/u/basttian94)\
**Post date:** [September 8, 2025, 4:07pm UTC](https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209/3 "2025-09-08T16:07:16Z")

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Hi there!

I was trying with this solution but this error message appears when I run the build in my quest.

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/b/b10d43f7999495491a99d59bcceff1dcb712104f.png)

Also I attached an image where you can see the files into the android folder:

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/4/4b3114e0e9fa995bb511a6cae8f9f5115f575e75.png)

and finally the screenshot of the fmod settings:

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/6/690d56542f1fb970a53b8234ff389136011c25f7.png)

the issue remains, thanks for your response and I’ll be waiting for your response.

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<div class="post-metadata">

**Author:** ![Connor\_FMOD](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/connor_fmod/32/3685_2.png) [@Connor\_FMOD](https://qa.fmod.com/u/Connor_FMOD)\
**Post date:** [September 10, 2025, 6:07am UTC](https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209/4 "2025-09-10T06:07:57Z")

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Apologies, it should just be `phonon_fmod` in the dynamic plugins:  
 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/9/9d15a3a2fdb256f0d23f21cc7a5b200cc2e0cc5d.png)  
You were correct. In the logs we can see it trying to find `liblibphonon_fmod.so`.

Let me know if that helps!

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<div class="post-metadata">

**Author:** ![basttian94](https://avatars.discourse-cdn.com/v4/letter/b/8dc957/32.png) [@basttian94](https://qa.fmod.com/u/basttian94)\
**Post date:** [September 10, 2025, 9:30pm UTC](https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209/5 "2025-09-10T21:30:27Z")

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Hi, no, that is exactly the same configuration that I had from the start of the issue.

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<div class="post-metadata">

**Author:** ![Connor\_FMOD](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/connor_fmod/32/3685_2.png) [@Connor\_FMOD](https://qa.fmod.com/u/Connor_FMOD)\
**Post date:** [September 10, 2025, 10:53pm UTC](https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209/6 "2025-09-10T22:53:50Z")

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And what are the logs saying when you are using that string?

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<div class="post-metadata">

**Author:** ![basttian94](https://avatars.discourse-cdn.com/v4/letter/b/8dc957/32.png) [@basttian94](https://qa.fmod.com/u/basttian94)\
**Post date:** [September 30, 2025, 8:38pm UTC](https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209/7 "2025-09-30T20:38:29Z")

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Unfortunately, we do not have any error logs related to this issue.

Our current hypothesis is that there is a conflict between the Meta XR Audio and Steam Audio plugins when they are running simultaneously. Our goal is to use the Steam Audio plugin to handle spatialization and diffraction, while leveraging the Meta plugin for its ambisonic decoding capabilities.

We’ve adopted this configuration because we were unable to find a solution for ambisonic decoding within our required stack of Unity, FMOD, and Steam Audio. Do you know how to do that? Thanks for your response.

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<div class="post-metadata">

**Author:** ![Connor\_FMOD](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/connor_fmod/32/3685_2.png) [@Connor\_FMOD](https://qa.fmod.com/u/Connor_FMOD)\
**Post date:** [October 6, 2025, 8:07am UTC](https://qa.fmod.com/t/steam-audio-spatializer-not-working-in-build/23209/8 "2025-10-06T08:07:24Z")

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Thank you for the information.

Are you able to create a small test project that is reproducing the behavior and upload it to your profile for me to test on my side?

> [@basttian94](#):
>
> Do you know how to do that?

I believe the steam plugin does come with its own ambisonic decoder [Steam Audio - Getting Started](https://valvesoftware.github.io/steam-audio/doc/unity/getting-started.html#:~:text=Set%20Spatializer%20Plugin%20to%20Steam%20Audio%20Spatializer%2C%20and%20Ambisonic%20Decoder%20Plugin%20to%20Steam%20Audio%20Ambisonic%20Decoder). Would this be an option?
