Decibel Meter
Professional sound level meter with real-time tracking, history, and recording.
What is the Decibel Meter?
The Decibel Meter is a professional web-based tool designed to measure sound intensity in real-time. It uses the Web Audio API to capture audio from your microphone and calculates the decibel (dB) level using mathematical signal processing.
Benefits
- Real-time high-performance audio analysis (Web Audio API)
- Visual waveform and historical trend tracking
- Customizable scheduled recording for long-term monitoring
- Local processing ensuring privacy and low latency
How to use it?
2. Watch the real-time gauge and waveform analyze your environment.
3. Use the Calibration slider if you have a reference meter to adjust accuracy.
4. Enable Scheduled Recording to capture noise samples at specific intervals.
Current Level
Minimum
Maximum
Average
Privacy & Precision Notice
Your privacy is our priority. Audio processing and recording happen entirely within your browser; no audio data is ever transmitted to our servers.
This tool is for educational and general reference purposes only. Results may vary based on microphone hardware and are not a substitute for professional acoustic equipment.
Your privacy is our priority. Audio processing and recording happen entirely within your browser; no audio data is ever transmitted to our servers.
This tool is for educational and general reference purposes only. Results may vary based on microphone hardware and are not a substitute for professional acoustic equipment.
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