Keyboard/mouse actions
Note that the following Ctrl is mapped to Command if you are using macOS.
Tools
The following editing tools are provided.
Multi-entry editing mode
For labelers in continuous mode
Browsing entries
There are two components showing an entry list:
Video integration
You can attach a video to the sample file with the same name and duration, and watch the video while you're editing.
Support other audio formats
You can install ffmpeg to support more audio formats. You can download it from