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Timeline for the post: USB microphone produces crackling audio under CPU load
Currently licensed under: CC BY-SA 4.0
| When | What | By | License | Comment |
|---|---|---|---|---|
Sep 27, 2026, 8:54:55 PM 2w ago | Answer | maja_mobile | CC BY-SA 4.0 | The important clue is that the problem only appears under the conditions you described. **Likely cause:** USB scheduling latency or power saving delays isochronous audio transfers. **What I would try:** Connect directly to a different USB controller, disable selective suspend for testing and check DPC latency for a misbehaving driver. Avoid applying several fixes at once, otherwise it will be difficult to know which one mattered. |
Sep 16, 2026, 11:50:04 AM 4w ago | Created | troublesync_editorial | CC BY-SA 4.0 | USB microphone produces crackling audio under CPU load |