Low-latency microphone monitoring

Hear what your mic hears.

A direct microphone-to-output Web Audio path. No recording file, encoder, server, or network hop.

Monitor

Live input

Stopped

Select a microphone, put on headphones, then start monitoring.

Input level −∞ dB

Microphone

Device names appear after microphone permission is granted.

Monitor gain 0.0 dB

Mono outputDownmixes the microphone and sends the same signal to left and right.

Capture processing

Keep the path clean

These browser features can help speech but may add processing delay. Changing one while active restarts the microphone stream.

Echo cancellationUseful with speakers; avoid for the lowest latency. Noise suppressionFilters steady background noise. Automatic gain controlLets the browser adjust microphone level.

Diagnostics

Browser-reported audio path

Values exclude unknown microphone, driver, wireless, and acoustic delay.

Context state: —
Sample rate: —
Input latency: Not reported
Base latency: —
Output latency: Not reported
Channels: —
Echo cancellation: —
Noise suppression: —
Auto gain control: —