# Fade-ins vs waves not rendered accurately

**URL:** <https://qa.fmod.com/t/fade-ins-vs-waves-not-rendered-accurately/16529>\
**Category:** FMOD Studio\
**Created:** [December 7, 2020, 8:34pm UTC](https://qa.fmod.com/t/fade-ins-vs-waves-not-rendered-accurately/16529 "2020-12-07T20:34:44Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![afrech](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/afrech/32/1573_2.png) [@afrech](https://qa.fmod.com/u/afrech)\
**Post date:** [December 7, 2020, 8:34pm UTC](https://qa.fmod.com/t/fade-ins-vs-waves-not-rendered-accurately/16529/1 "2020-12-07T20:34:44Z")

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I have some short sounds (feet) that I want to soften on the fly, however drawing very small fades appears to be innacurate in comparison to the waveform display.  
pic1 the sound plays as it should

 ![Screenshot 2020-12-07 153217](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/c/cc04f169e6cb38e6587af8ea45638284a7298be8.png)

pic2 the sound is almost completely lost, even through the fade doesn’t reach the transient

 ![Screenshot 2020-12-07 153255](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/8/8cddead20b77b61c40ccf274a5c4eb008a6c9d30.png)

the same thing occurs with an AHDSR, even with 1ms of fade-in the sound is gone

is this a known issue? i know i could go edit and import 2 different versions, but i was enamoured with the idea of reusing the same asset

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**Author:** ![Koca](https://avatars.discourse-cdn.com/v4/letter/k/7feea3/32.png) [@Koca](https://qa.fmod.com/u/Koca)\
**Post date:** [December 9, 2020, 3:03pm UTC](https://qa.fmod.com/t/fade-ins-vs-waves-not-rendered-accurately/16529/2 "2020-12-09T15:03:22Z")

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Hi there, are you hearing this in Fmod editor or some in-engine play?

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**Author:** ![afrech](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/afrech/32/1573_2.png) [@afrech](https://qa.fmod.com/u/afrech)\
**Post date:** [December 9, 2020, 4:36pm UTC](https://qa.fmod.com/t/fade-ins-vs-waves-not-rendered-accurately/16529/3 "2020-12-09T16:36:19Z")

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I’m hearing it in both the editor (2.01.04) and engine (UE4.25)

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**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:** [December 10, 2020, 1:47am UTC](https://qa.fmod.com/t/fade-ins-vs-waves-not-rendered-accurately/16529/4 "2020-12-10T01:47:00Z")

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Thanks for bringing this to our attention. I’ve raised a bug report with our dev team to look into for a future update. In the meantime, you’ll need to render any fades in short assets before importing into the FMOD Studio project.

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**Author:** ![afrech](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/afrech/32/1573_2.png) [@afrech](https://qa.fmod.com/u/afrech)\
**Post date:** [December 10, 2020, 2:23am UTC](https://qa.fmod.com/t/fade-ins-vs-waves-not-rendered-accurately/16529/5 "2020-12-10T02:23:01Z")

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Awesome, thank you!

glad i’m not crazy 🙂

(should I mark this as solved or leave it be?)