Web RTA – USB Mic + Timed Averaging

— kHzFFT: —Weight: Z

Basic

Advanced

Input Device

Averaging

FFT Size

Smoothing

Averaging Mode

Weighting

Idle. Connect a class‑compliant USB mic for best results. Requires HTTPS.

Live Averaged

Tips: On mobile, plug your USB‑C mic via a class‑compliant interface. In iOS/iPadOS Safari 16+, external mics typically work if the mic is set as the system input. You may need to allow "microphone" permission and reload.