Check microphone input level in the browser.
在浏览器内运行 — 数据不会离开您的设备
Check mic input level. Audio never leaves your browser.
Status: idle Level: 0.000
Yes.
No.
Preview camera feed and resolution.
Record WebM or sample WAV.
Click metronome with BPM, beats per bar, and tap tempo (Web Audio).
Play sine / square / saw / triangle tones.