Records frequency spectrum data (not audio) from your microphone.
Tap "PROBLEM" when something sounds too loud. Review frequency analysis after the meeting.
Pre-marker window: 750ms before each tap is included in analysis
to compensate for reaction time.
🔒 No audio is recorded or stored. Only frequency amplitude numbers are kept in memory.
All data stays in this browser tab and is lost when you close it.
Press the button or spacebar when something sounds too loud.
🔒 No audio is stored — only spectrum amplitude data.
Click a marker to see the frequency snapshot at that moment vs. the session baseline.
Bands that were consistently louder during problem moments vs. the session average.
Frequency band levels across the entire recording: average, median, 90th percentile, and max.
Scrub through the recording to see the spectrum at any point.