SInES Tools: Spectral Editor (Selectively edit spectral artifacts and remove background noise)

1. Upload Audio File
Drag to select. Use Mouse Wheel to zoom in or out. Selection syncs automatically with the Sonogram below.
 Analysis Parameters: Window Size: 4096 Samples | Hop Size: 1024 Samples | FFT Size: 4096 | Sample Rate: dependent on audio file
Please upload an audio file.

Set selection mode
 and edit the sonogram:

Zoom Selection

-96 dB (Mute)
2. Denoise Audio
Select a region in the audio file that contains only noise and adjust the orange line appropriate above the noise floor.
Then click Denoise.

Selected Noise Region: None
Noiseprint Shift (Threshold):
-20 dB 0 dB +20 dB

3. Save & Export
Spectral Editor © 2026 by Christoph Reuter and SInES (last modified: 14.9.2026) is released under MIT License
Translation of the Chinese version of the website: Li Hao
How to cite: Reuter, C. (2025). SInES Tools: Spectral Editor. Web Application https://sinestools.univie.ac.at/spectraleditor.htm