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Found in

6000.0.43f1

6000.1.0b11

6000.2.0a7

Issue ID

UUM-99974

Regression

Yes

[Android] [iOS] Popping/crackling sound occurs when the app is repeatedly brought to the background and foreground while the sound is playing

-

How to reproduce:
1. Open the “6032.zip“ project
2. Open the “SampleScene“
3. Build and Run for Android
4. In the app press the “PlayOneShot“ button
5. Wait until the app is in the background
6. Switch to some other app
7. Switch back to the original app
8. Repeat steps 6-7 several times while the sound is still playing

Expected result: Once the original app was put back into the foreground there was *no* speaker crackling/popping noise
Actual result: Once the original app was put back into the foreground there was a speaker crackling/popping noise (it sounds like two big pops going after one other)

Reproducible with: 2023.1.13f1, 6000.0.43f1, 6000.1.0b11, 6000.2.0a7
Not reproducible with: 2022.3.60f1, 2023.1.12f1

Reproducible environment: macOS 15.3.1  (M4 Max)
Not reproducible environment: No other environment tested

Reproducible with these devices:
VLNQA00498, Google Pixel 7 (Pixel 7), Android 13, CPU: Google Tensor G2, GPU: Mali-G710 (most consistent results)
VLNQA00627, Google Pixel 8 (Pixel 8), Android 15, CPU: Google Tensor G3 (GS301), GPU: Mali-G715
VLNQA00518, Google Pixel 4 (Pixel 4), Android 13, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00335, Samsung Galaxy S20+ 5G (SM-G986B), Android 10, CPU: Exynos 990, GPU: Mali-G77
Pixel 8a( Android 14) (Reporter's)
Pixel7a (Android 15) (Reporter's)

Not reproducible with:
VLNQA00416, iPhone 13 Pro (MLVA3ET/A), CPU: Apple A15 Bionic, GPU: Apple designed, OS: 16.1.1

Notes:
- You might need to repeat the steps 6-7 several times while the sound is still playing to reproduce the issue
- The repro sound is not the one pop sound that also can be heard when the “Stop“ button is pressed, it is several consecutive pop sounds in a row once the app is in the foreground again
- The crackling is coming from the speakers of the device, so not reproducible with headphones with the AUX connection, and Bluetooth ones

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