1.
Download program "Subtitle Edit 3.4.6" and open
2.
Click on File ---> Open (select movies or anything else from which you want to extract subtitles) now wait to program load .ts file
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6.
Now click File ---> Save as... (and save .srt file where you want on your computer)
7.
The end
tutorial by @ siny
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You can try and this solution: http://linuxsat-support.com/showthread.php?t=33674
DOWNLOAD "Subtitle Edit 3.4.6"