# DSP usage in Virtual Sounds

**URL:** <https://qa.fmod.com/t/dsp-usage-in-virtual-sounds/14470>\
**Category:** FMOD Engine\
**Created:** [March 21, 2019, 7:46pm UTC](https://qa.fmod.com/t/dsp-usage-in-virtual-sounds/14470 "2019-03-21T19:46:28Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![bprendergast62](https://avatars.discourse-cdn.com/v4/letter/b/8edcca/32.png) [@bprendergast62](https://qa.fmod.com/u/bprendergast62)\
**Post date:** [March 21, 2019, 7:46pm UTC](https://qa.fmod.com/t/dsp-usage-in-virtual-sounds/14470/1 "2019-03-21T19:46:28Z")

</div>

Assuming I attached one or more DSPs to all the sounds I was playing, do the DSPs go “dormant” (i.e., low or zero CPU usage) when the sounds become virtualized?

---

<div class="post-metadata">

**Author:** ![cameron-fmod](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/cameron-fmod/32/261_2.png) [@cameron-fmod](https://qa.fmod.com/u/cameron-fmod)\
**Post date:** [March 28, 2019, 3:22am UTC](https://qa.fmod.com/t/dsp-usage-in-virtual-sounds/14470/2 "2019-03-28T03:22:12Z")

</div>

DSP’s should only cause a very negligible CPU load when idle or virtualized.