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If your microphone produces an echo, buzzing, or feedback noise during a test or interview, it can significantly reduce audio clarity and may interfere with communication or automated proctoring checks. In this article, we explain the most common reasons for microphone echo or buzzing and the steps you can take to resolve the issue quickly.

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✅ Common Causes and Fixes

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Additional Tips

If the issue persists, try the following:
  • Restart your device and rejoin the session
  • Ensure the correct microphone is selected in your browser or system audio settings
  • Disconnect and reconnect any external audio devices
  • Avoid using Bluetooth audio devices if possible, as they may introduce latency or interference

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🛠 Final Check: Test Your Microphone

Before joining your interview, verify your mic is working clearly. 👉 Run a Mic Test to confirm it’s working well. You should see yourself and hear audio from your mic input.