[4.25] Sound cue enveloper node does not start when first key at 0.0

Development Audio
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1

Hey! I found a bug today when working with sound cues.

Steps to reproduce:

  1. Create a sound cue and add in a wave player for any sound
  2. Connect an Enveloper node between the wave player and the output of the sound cue
  3. Make the value of the first key of the volume curve 0.0 (e.g. to fade in the sound) and add a second key with some value other than 0.0
  4. Hit Play Cue and see how it won’t even start the sound. However, if you set the first key of the volume key to something != 0.0, e.g. 0.01, it will work as intended.

Let me know if you were able to reproduce this!

Cheers, Johnny!

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2

Hello,

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Thanks

3

Hey Johnny, same bug found in UE 4.27… Starting with a first point at value 0.01 works fine!