Upalgo Labeling for Audio
The ultimate sound annotation tool.
Time and frequency based annotations
To get the best results, labels can be inserted on a time and a frequency axis.
Features that makes it efficient to annotate
Flexible spectrogram configuration
Customize FFT size, windowing, color maps, and dynamic range. Zoom and pan effortlessly to focus on the details that matter.
Advanced audio playback
Control playback speed, loop precise regions, scrub frame by frame, and work seamlessly with multi-channel audio.
Built-in equalizers and filters
Reveal hidden patterns using integrated EQ and frequency filters, with instant switching between raw and enhanced audio.
AI-powered pre-labeling
Our pre-labeling AI generates label candidates directly on the spectrogram. Validate, adjust, or reject suggestions in one click, staying fully in control.
Designed for focus
Fast interactions, keyboard shortcuts, and a clean interface optimized for long annotation sessions.
Customize FFT size, windowing, color maps, and dynamic range. Zoom and pan effortlessly to focus on the details that matter.
Advanced audio playback
Control playback speed, loop precise regions, scrub frame by frame, and work seamlessly with multi-channel audio.
Built-in equalizers and filters
Reveal hidden patterns using integrated EQ and frequency filters, with instant switching between raw and enhanced audio.
AI-powered pre-labeling
Our pre-labeling AI generates label candidates directly on the spectrogram. Validate, adjust, or reject suggestions in one click, staying fully in control.
Designed for focus
Fast interactions, keyboard shortcuts, and a clean interface optimized for long annotation sessions.
Works on Windows, Mac and Linux.
Let us show you a demo
Fill in the form and we will be in touch for a demo meeting.