# Issue with doppler sounding jittery in newer FMOD versions

**URL:** <https://qa.fmod.com/t/issue-with-doppler-sounding-jittery-in-newer-fmod-versions/23820>\
**Category:** Unreal Engine\
**Created:** [December 18, 2025, 7:44pm UTC](https://qa.fmod.com/t/issue-with-doppler-sounding-jittery-in-newer-fmod-versions/23820 "2025-12-18T19:44:52Z")\
**Posts on this page:** 1\
**Showing post:** 2

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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:** [December 22, 2025, 4:11am UTC](https://qa.fmod.com/t/issue-with-doppler-sounding-jittery-in-newer-fmod-versions/23820/2 "2025-12-22T04:11:49Z")

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Hi,

Thank you for all the information.

Are you able to reproduce the issue in a simple test map? Or is it only happening when in your specific game situation.

It could be an issue with the attenuation position. Another forum discussing a similar issue can be found here: [Attenuation on Character, Spatialization on the Camera -- UE5.1 - Fmod Studio 2.02.11](https://qa.fmod.com/t/attenuation-on-character-spatialization-on-the-camera-ue5-1-fmod-studio-2-02-11/20335).

Just to confirm, the original version was 2.02.18?

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_[View the full topic](https://qa.fmod.com/t/issue-with-doppler-sounding-jittery-in-newer-fmod-versions/23820)._