alass

Automatically synchronize subtitles with video by time-shifting

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Automatic Language-Agnostic Subtitle Synchronization

alass

Synchronize a subtitle file with a video file$ alass video.mkv subtitle.srt

Synchronize subtitle using a reference subtitle file$ alass reference.srt broken.srt -o synced.srt

Process subtitles with custom output path$ alass movie.mp4 subtitles.srt -o output_synced.srt