SInES Tools: Laplace-Transformator (Formant Detection & Batch Processing)

1. Click on "Start" to set all values on default.
2. Upload one or multiple mp3 or wav audio file(s).
3. Set the LPC order number (auto-calculated for each file in batch mode):  16


4. optional: Clean up the formant display of artifacts
5. Click on "Analyse" to start the analyzing process.
6. View data in the pole-zero plot and the formant sonogram (single file only).
7. Click on "Show JS Arrays" or "Export CSV".

Upload audio file(s)...
Z-plane (Live View)
Formant Sonogram
Laplace Transformator © 2026 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. (2026). SInES Tools: Laplace-Transformator. Web Application https://sinestools.univie.ac.at/laplace_transformator.htm