Microphone Test

Check input sensitivity, background noise, and voice clarity.

In-Browser FFT Secure Recording No Data Upload

Input Gain (RMS)

📊 Analyzing Waves

The visualizer uses a Fast Fourier Transform (FFT) to map audio frequencies. If you see movement in the low end (left side) while silent, you likely have environmental hum or electrical interference.

⚠️ Troubleshooting

  • Ensure browser permissions are granted for this site.
  • Check if your OS has the correct "Input Device" selected.
  • Unmute the physical switch on your headset or cable.