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Votes

2

Found in

6000.0.60f1

6000.2.8f1

6000.3.0b7

6000.4.0a3

Issue ID

UUM-122520

Regression

No

Audio stuttering occurs when heavy processing is performed while OnAudioFilterRead is in use

-

Reproduction steps:
1. Open the attached “IN-118833.zip” project
2. Open the “SampleScene”
3. Enter Play mode
4. Listen to the audio

Expected result: Audio plays smoothly
Actual result: Audio playback is stuttering intermittently

Reproducible with: 2023.1.0b1, 6000.0.60f1, 6000.2.8f1, 6000.3.0b7, 6000.4.0a3

Reproducible on: Windows 11
Not reproducible on: No other environment tested

Notes:
- Simply increasing CPU load did not reproduce this issue (e.g., writing a large number of Debug.Log statements)
- The issue can be reproduced reliably by manually invoking System.GC.Collect
- In the provided sample scene, a script calls System.GC.Collect once per second to reproduce the issue

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