SInES Tools: Spectral Warper (Shift partials from harmonic to inharmonic relationships)
 
1. Upload Audio File
2. Warp Configuration
Stretch Factor
1.01
(<1.0 = Compressed | 1.0 = Harmonic | >1.0 = Stretched/Metallic)
3. Play & Export
Upload an audio file to begin.
Spectral Warper © 2026 by Christoph Reuter and SInES (last modified: 5.7.2026) is released under MIT License
Translation of the Chinese version of the website: Li Hao
How to cite: Reuter, C. (2026). SInES Tools: Spectral Warper. Web Application https://sinestools.univie.ac.at/spectral_warper.htm