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Conference Speakerphone diagnostics

Test what the browser can see. Know when it cannot.

Test its microphone and speaker paths independently before changing meeting-app selection, echo cancellation or USB/Bluetooth configuration.

Run these first

Relevant live checks

Meeting Microphone CheckRun a quick microphone readiness check before a Zoom, Meet, Teams, or Discord call.
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Meeting Speaker CheckRun a quick output check before a call.
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Microphone Recorder TestRecord a short clip locally and play it back to verify your microphone path.
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Stereo Phase TestPlay an out-of-phase stereo reference tone to help identify channel or wiring behavior by listening.
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First diagnostic sequence

Do the high-signal checks before risky changes

  1. 1

    Select the device as both microphone and speaker when intended

  2. 2

    Run DeviceOK audio tests before opening the meeting app

  3. 3

    Then verify the app's own selected input and output

What DeviceOK/browser can help check
  • Receive browser-visible microphone audio
  • Play controlled speaker and channel references
  • Help separate hardware path from meeting-app routing
What this browser page cannot prove
  • Measure acoustic echo cancellation quality professionally
  • Read proprietary DSP status
  • Repair USB or Bluetooth firmware