اختبار الميكروفون.

Requires microphone permission and a secure (HTTPS) page. Levels are relative digital dBFS values, not calibrated sound pressure. The playback clip stays in this page and is discarded when you leave. Device names appear only after permission.

The Web Audio API analyses the live signal locally to compute RMS level and peak in dBFS. Browser voice processing (echo cancellation, noise suppression, automatic gain) can be switched off to hear the raw input. Nothing is uploaded; the stream stops when you click Stop or leave the page.

Speaking at a normal distance typically peaks between −30 and −6 dBFS; a clipping warning means the input gain is too high.