Audio Monitor
Uses your microphone via the Web Audio API. Click
Start
, then allow mic access.
Controls
idle
— Hz
Start
Stop
Clear Spectrogram
FFT Size
512
1024
2048
4096
8192
16384
Smoothing
0.80
Min dB (spectrogram)
-110
Max dB (spectrogram)
-20
Spectrogram speed
2 px/frame
Freq scale
Linear
Log
High-pass (Hz)
optional
Low-pass (Hz)
0 = off
Waveform (time-domain)
—
FFT magnitude
—
—
Spectrogram (scrolling)
—