subtitleeditor binary package in Ubuntu Focal amd64

 Subtitle Editor is a GTK+3 tool to edit subtitles. It can be used for new
 subtitles or as a tool to transform, edit, correct and refine existing
 subtitles.
 .
 This program also shows sound waves, which makes it easier to synchronise
 subtitles to voices.
 .
 This package has these features
 .
  o Multiple document interface.
  o Internationalization support.
  o Video player integrated in the main window (based on GStreamer).
  o Can play preview with external video player (using MPlayer or other).
  o Style Editor.
  o Move subtitle.
  o Scale.
  o Split and joint subtitle.
  o Edit text and adjust time (start, end).
  o Generate Waveform from Video.
 .
 Supported formats:
 .
  o Sub Station Alpha.
  o Advanced Sub Station Alpha.
  o SubRip.
  o MicroDVD.
  o MPL2.
  o MPsub (MPlayer subtitle).
  o SubViewer 2.0.
  o Plain-Text.
  o Adobe Encore DVD.

Source package