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USB Audio Interface diagnostics

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

Use microphone and speaker tests to prove the browser-level input/output path, then investigate interface routing, gain, monitoring and official driver/software settings.

Run these first

Relevant live checks

Microphone Level TestSee a live input level meter and identify audio that is too quiet or clipping.
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Microphone Recorder TestRecord a short clip locally and play it back to verify your microphone path.
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Left Right Speaker TestPlay left and right channel tones separately.
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First diagnostic sequence

Do the high-signal checks before risky changes

  1. 1

    Confirm input gain and hardware monitoring

  2. 2

    Select the interface input/output in OS/app

  3. 3

    Run DeviceOK mic and speaker tests separately

What DeviceOK/browser can help check
  • Capture selected audio inputs
  • Play test audio through selected system output path
  • Show level/waveform evidence
What this browser page cannot prove
  • Read all interface mixer/routing states
  • Measure preamp noise professionally
  • Install ASIO/CoreAudio drivers