A TS file can hold its audio first, which put the audio name on the video.
A segmented subtitle track took every segment in a --sample run. It now takes the window plus one segment on each side.
--sample downloads only a time window of a title (default 120-180 s) and cuts the mux to it. --include-sample cuts a 60 s sample from a finished file. Both write to a Sample folder with a SAMPLE tag on the filename