SInES Tools: Pitch & Formant Shifter
(Shift pitch and formants independently while keeping the duration of an audio file)
 
1. Upload Audio File
2. Settings
Pitch Shift
Multiplier: 1.00x
Musical Interval: 0 Semitones
Formant Shift: 1.00x
3. Play & Save
Please upload an audio file.
 Analysis Parameters: Window Size: 4096 Samples (spec. envelope: 60 Bins) | Hop Size: 512 Samples
| FFT Size: 4096 | Sample Rate: dependent on audio file
Pitch & Formant Shifter © 2026 by Christoph Reuter and SInES (last modified: 13.9.2026) is released under MIT License
Translation of the Chinese version of the website: Li Hao
How to cite: Reuter, C. (2026). SInES Tools: Pitch & Formant Shifter. Web Application https://sinestools.univie.ac.at/pitchformantshifter.htm