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By Design
By Design in 6000.0.X
Votes
0
Found in
2021.3.40f1
2022.3.36f1
6000.0.10f1
Issue ID
UUM-75378
Regression
Yes
Audio Source does not output audio when using 3rd party plugin for Text-to-Speech
Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/RS_test.unity” Scene
3. Enter the Play Mode
4. In Game view, press the “Space Bar” key
Expected result: Text-to-Speach can be heard
Actual result: No audio is present
Reproducible with: 2021.3.40f1, 2022.3.27f1, 2022.3.36f1, 6000.0.10f1
Not reproducible with: 2022.3.26f1
Reproducible on:
Play Mode
Windows Standalone Player
Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested
Note:
- Project uses 3rd party plugin for TTS
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Resolution Note:
TTS::PlayAudioBuffer seems to immediately destroy the AudioClip after assigning it to the AudioSource, this did not used to delete the AudioClip and was fixed as a bug in https://issuetracker.unity3d.com/issues/crash-on-purecall-when-repeatedly-creating-playing-stopping-and-deleting-audio . We suggest removing this destroy call and handle the destruction of the clip elsewhere
Resolution Note (6000.0.X):
TTS::PlayAudioBuffer seems to immediately destroy the AudioClip after assigning it to the AudioSource, this did not used to delete the AudioClip and was fixed as a bug in https://issuetracker.unity3d.com/issues/crash-on-purecall-when-repeatedly-creating-playing-stopping-and-deleting-audio . We suggest removing this destroy call and handle the destruction of the clip elsewhere