microphone test
Microphone Frequency Spectrum
View a live frequency spectrum from your microphone input.
No accountLocal where possibleRetest anytime
Live result
idleStart the test when you are ready.
Relative level0%
Peak0%
Inputs found—
PermissionNot requested
Private by design
Audio stays in your browser and is not uploaded by DeviceOK.
Use the result as evidence, not a guess.
This test checks
- Frequency activity
- Background hum
- Signal distribution
How to read it
A passing browser test confirms that the browser can observe this input/output path.
A failing test narrows the issue but does not by itself prove physical hardware failure.