DeviceMetrik

Pitch Detector

Estimate pitch from local microphone input.

Capability-dependent testPrivacy-first

Tests run locally in your browser. We do not upload keystrokes, pointer paths, or media.

Important

  • YIN pitch estimate only — not laboratory calibration.
  • Room noise and microphone AGC affect stability. Prefer headphones with reference tones.

Browser pitch estimate (YIN) from local mic samples — not lab-grade. Room noise and AGC affect results. Prefer headphones if using a reference tone to avoid feedback.

Microphone for pitch

Audio is processed only in this tab.

—

Silence / low confidence

Results

Frequency
—
MIDI
—
Cents
—
Stable
no
Confidence
—

Recent Hz: —

How to use

  1. Start the microphone after a user gesture.
  2. Sing or play a note; view Hz, note, cents, and confidence.
  3. Optional soft A4 reference — prefer headphones to avoid feedback.
  4. Stop releases mic and reference tone.

What the result means

  • Results are browser-local observations with explicit limitations.
  • See Limitations for what this tool cannot claim.

Limitations

  • YIN pitch estimate only — not laboratory calibration.
  • Room noise and microphone AGC affect stability. Prefer headphones with reference tones.

Troubleshooting

Nothing happens after Start
Focus the tab, allow required permissions if prompted, and ensure the control surface is active.
Permission was denied
Open browser site settings for this origin, re-enable camera/microphone, then reload and try again.

Related tools

FAQ

Is this a hardware laboratory result?

No. DeviceMetrik reports browser-observed or visual-aid results with clear limits.