# Something overrides my setReverbProperty on Channel

**URL:** <https://qa.fmod.com/t/something-overrides-my-setreverbproperty-on-channel/14037>\
**Category:** FMOD Engine\
**Created:** [August 7, 2018, 5:15pm UTC](https://qa.fmod.com/t/something-overrides-my-setreverbproperty-on-channel/14037 "2018-08-07T17:15:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Blodyavenger](https://avatars.discourse-cdn.com/v4/letter/b/e0b2c6/32.png) [@Blodyavenger](https://qa.fmod.com/u/Blodyavenger)\
**Post date:** [August 7, 2018, 5:15pm UTC](https://qa.fmod.com/t/something-overrides-my-setreverbproperty-on-channel/14037/1 "2018-08-07T17:15:29Z")

</div>

Hello!

I’m using lowlevel FMOD api for my game and I came to one weird finding. I’m using general system reverb for most of the sounds except for specific ones like the main menu navigation.

**Pseudo code:**

`Init() {
system->system->setReverbProperties( 0, FMOD_PRESET_HALLWAY );
}`

`PlaySound() {
if( useReverb == false ) channel->setReverbProperty( 0, 0.0f );
}`

This worked totally find until recently, when I found that game menu sounds are using reverb while playing a specific map of the game.

Over further investigation with “getReverbProperty()” I found out in the update that the sound to which I set reverb to 0 has wet level 1.0. If I set it back to 0 in the update it will stay like that.

**WHAT I DID SO FAR:**

- I triple checked that sounds are not stealing each other’s channels
- There are enough free channels
- I checked FMOD\_RESULT when setting reverb property and it it’s OK!
- After setting the reverb property to 0, I instantly called getReverbProperty for check and it’s properly set to 0.

**QUESTIONS:**

1. Is it possible that I have some memory poisoning in my game code which will override FMOD’s memory?
2. Am I approaching this properly?

Anything will help really, thank you!

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<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:** [August 14, 2018, 5:18am UTC](https://qa.fmod.com/t/something-overrides-my-setreverbproperty-on-channel/14037/2 "2018-08-14T05:18:30Z")

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A ChannelGroup reverb is optimal for the case where you want to send 1 mixed signal to the reverb, rather than a lot of individual channel reverb sends. But using with individual channels is still a valid option.

From what you have supplied I cannot see any reason why it wouldn’t work, is it possible that the wet level is being adjusted somewhere else?