Microphone Oscilloscope

Uses WebAudio API. Works over HTTPS or localhost. Allow microphone access when prompted.

Input device

Controls

Vertical scale (V/div)

1 V/div

Timebase (ms/div)

2 ms/div

Settings

Smoothing

Show grid

Mono mix

Gain

Gain: 1.00x

Run

Display mode

Oscilloscope FFT

FFT Max Frequency (Hz)

10000 Hz

Tips

• Timebase × 10 divisions = total time shown.
• Vertical scale is per division (8 vertical divisions total).
• Increase timebase for slower signals.

Status: idle

Sample rate: — Hz

Built with WebAudio • Oscilloscope + FFT demo