# Scatterer element and snapshot problem

**URL:** <https://qa.fmod.com/t/scatterer-element-and-snapshot-problem/16234>\
**Category:** FMOD Studio\
**Tags:** unity\
**Created:** [September 29, 2020, 6:53am UTC](https://qa.fmod.com/t/scatterer-element-and-snapshot-problem/16234 "2020-09-29T06:53:11Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Pitch\_Baldwin](https://avatars.discourse-cdn.com/v4/letter/p/b5a626/32.png) [@Pitch\_Baldwin](https://qa.fmod.com/u/Pitch_Baldwin)\
**Post date:** [September 29, 2020, 6:53am UTC](https://qa.fmod.com/t/scatterer-element-and-snapshot-problem/16234/1 "2020-09-29T06:53:11Z")

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Hi there,

I’ve got a strange problem with “scatterer element” and snapshots. Here are the details :

We work on unity and Fmod ( 1 10 20). We use scattered elements on our ambiant sound and we call a snapshot (often the same one) on each scene of the game.

Sometimes, when we go frome one scene to another one and that a scatterer element is playing, then the volum and the pan of this one doing weird things ( volum more powerfull / pan go the center ). It happens during few secondes and we return to the normal state after. I specify that i 've got an AHDSR on the snapshot. With or without the ADSR, we’ve got the problem.

Do you have any clues of what going wrong ?

Thank you

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**Author:** ![mathew](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/mathew/32/431_2.png) [@mathew](https://qa.fmod.com/u/mathew)\
**Post date:** [September 30, 2020, 4:44am UTC](https://qa.fmod.com/t/scatterer-element-and-snapshot-problem/16234/2 "2020-09-30T04:44:10Z")

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I’d recommend using the FMOD Profiler to record what happens in the game, you should be able to inspect each playing event and observe what’s going wrong.

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**Author:** ![Pitch\_Baldwin](https://avatars.discourse-cdn.com/v4/letter/p/b5a626/32.png) [@Pitch\_Baldwin](https://qa.fmod.com/u/Pitch_Baldwin)\
**Post date:** [September 30, 2020, 1:09pm UTC](https://qa.fmod.com/t/scatterer-element-and-snapshot-problem/16234/3 "2020-09-30T13:09:39Z")

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I’ve already use the profiler but apart from telling me that there are jumps on volumes and pans, i have no clue about what’s going on. The only thing that seems strange to me :

The problem sometimes comes when the snapshot of the new scene is called again. Yet, it does have an ADSR. You can see the behavior with the GIF. ![Error](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/5/543014b230fdc38a3e8ed25d8892b48d0c861dd8.gif)

Thank you

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<div class="post-metadata">

**Author:** ![mathew](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/mathew/32/431_2.png) [@mathew](https://qa.fmod.com/u/mathew)\
**Post date:** [October 1, 2020, 3:54am UTC](https://qa.fmod.com/t/scatterer-element-and-snapshot-problem/16234/4 "2020-10-01T03:54:30Z")

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It’s hard to tell from the animated gif but looking at the 3D preview it looks like something jumps position then jumps back. You can press the \</\> button on the transport bar to see the API calls made at each time slice, that might indicate what the game is doing to cause the issue.