Sound clear. Before you join.
Measure your room, then record your voice at your own pace. Get one practical improvement and compare your next take. Free AI runs privately on your device.
We never upload audio. Review our privacy policy anytime.
Testing a mic for Zoom? Try our Zoom mic test.
What you'll get
Letter grade
An estimate based on speech level, noise, and clipping.
Evidence you can inspect
Measured levels and locally detected speech intervals.
A better second take
Make one adjustment, then listen before and after.
Private by design
Speech detection runs on your device. No audio upload, account, or API key.
Actionable feedback
Get a letter grade plus the single best fix to improve quality.
Try it without a mic
Explore clean, noisy, and clipped synthetic examples through the real analysis pipeline.
Browser verification
Browser compatibility at a glance.
Automated tests use synthetic audio in Chromium. Other browsers and real devices still need verification.
| Browser | Status | Notes |
|---|---|---|
| Chrome / Edge (desktop) | Chromium tested | Chromium automated tests pass; physical mics pending |
| Firefox (desktop) | Not verified | Manual verification pending |
| Safari (macOS) | Not verified | Manual verification pending |
| Safari (iOS) | Not verified | Physical device testing pending |