# Is it possibly to invert phase in FMOD?

**URL:** <https://qa.fmod.com/t/is-it-possibly-to-invert-phase-in-fmod/18272>\
**Category:** FMOD Studio\
**Created:** [January 25, 2022, 2:09pm UTC](https://qa.fmod.com/t/is-it-possibly-to-invert-phase-in-fmod/18272 "2022-01-25T14:09:03Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![zsombor.bencsik](https://avatars.discourse-cdn.com/v4/letter/z/ee7513/32.png) [@zsombor.bencsik](https://qa.fmod.com/u/zsombor.bencsik)\
**Post date:** [January 25, 2022, 2:09pm UTC](https://qa.fmod.com/t/is-it-possibly-to-invert-phase-in-fmod/18272/1 "2022-01-25T14:09:03Z")

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Is it possibly to invert phase in FMOD?

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<div class="post-metadata">

**Author:** ![richard\_simms](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/richard_simms/32/261_2.png) [@richard\_simms](https://qa.fmod.com/u/richard_simms)\
**Post date:** [January 31, 2022, 3:06pm UTC](https://qa.fmod.com/t/is-it-possibly-to-invert-phase-in-fmod/18272/2 "2022-01-31T15:06:56Z")

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Yes, if you set each needed matrix element value to `-1` when using `setMixMatrix` it will invert the phase.

[https://www.fmod.com/resources/documentation-api?version=2.02&page=core-api-channelcontrol.html#channelcontrol\_setmixmatrix](https://www.fmod.com/resources/documentation-api?version=2.02&page=core-api-channelcontrol.html#channelcontrol_setmixmatrix)