SInES Tools: dB Analyser (calculate (weighted) SPL, Phon, sone and LUFS from an audio file)


1. Click on "Start" to reset the tool.
2. Set the calibration value: code Code
Manual Calibration: Based on microphone reference.
A recorded peak level of dBFS corresponds to dBSPL
Estimate from Bit Depth: Assumes 0 dBFS = Max dynamic range.
(Upload file to detect bit depth)
3. Upload an mp3 or wav audio file. The analysis will start automatically.
4. Optionally, click "Play Audio" to listen to the original uploaded file.
5. Click on "Show JS Arrays" or "Export CSV" to get the calculated data.

Upload an audio file (wav or mp3)...

dB Analyser © 2025 by Christoph Reuter and SInES (last modified: 24.6.2026) is licensed under CC BY 4.0
Translation of the Chinese version of the website: Li Hao
How to cite: Reuter, C. (2025). SInES Tools: dB Analyser. Web Application https://sinestools.univie.ac.at/dbcalculator.htm