🎤 Microphone & Audio Analyzer
Test your microphone and analyze acoustic frequencies & decibels in real-time. 100% local browser processing—your voice data never leaves this device.
Current Volume
-100 dB
Peak Frequency
0 Hz
Mic Status
Standby / Unauthorized
💡 Pro Tip:
This tool uses
AudioContext.createAnalyser() for Fast Fourier Transform (FFT). Decibels (dB) are relative SPL references mapped by calculating the RMS of the time-domain signal.