I just tried exporting an srt file from a VIDEO_TS file and these are the results I get:

7
00:30:23,480 --> 00:30:23,500
I

8
00:30:23,480 --> 00:31:45,329
Good daytoyou.

9
00:30:23,480 --> 00:31:48,460
Whatdoyouwant?

10
00:30:23,480 --> 00:31:58,380
Boy,getin here now!.

11
00:30:23,480 --> 00:32:04,710
Whattookyou so long?

as you can see 8,9,10,11 all have the same start time, and it continues like this throughout the file. Any ideas why??