Start the meter to request microphone access. Stop it at any time; audio is processed locally and is not recorded or uploaded.
Your inputs stay on this device. Nothing is uploaded.
Microphone access starts only when you press Start. Audio is analyzed in memory and is not recorded or uploaded.
Press Start and allow microphone access.
RMS level dBFS · Peak level dBFS
Example
A quiet room and microphone distance both affect the reading.
How it works
Levels are digital dBFS estimates, not calibrated sound pressure or a certified hearing or safety measurement.
Questions
Scope and limits
Use realistic values. The tool explains assumptions and does not replace professional, official or safety advice where that applies.