# Sound Cannot be Heard

**URL:** <https://qa.fmod.com/t/sound-cannot-be-heard/21544>\
**Category:** FMOD Engine\
**Tags:** openharmony\
**Created:** [April 26, 2024, 3:17am UTC](https://qa.fmod.com/t/sound-cannot-be-heard/21544 "2024-04-26T03:17:52Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![luoxixuan](https://avatars.discourse-cdn.com/v4/letter/l/b5e925/32.png) [@luoxixuan](https://qa.fmod.com/u/luoxixuan)\
**Post date:** [April 26, 2024, 8:47am UTC](https://qa.fmod.com/t/sound-cannot-be-heard/21544/3 "2024-04-26T08:47:30Z")

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i tried this, and it works!

> m\_lowLevelSystem-\>setDSPBufferSize(2048, 4);

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_[View the full topic](https://qa.fmod.com/t/sound-cannot-be-heard/21544)._