Transcript and captions uploaded to Stream videos should be formatted as WebVTT files. To create a Transcript and captions file following WebVTT format:
Open a text editor or a captions and subtitle editor of your choice
Create a new file
On the first line of text, type: WEBVTT
On the next line, type time markers (beginning time and end time, separated by an "arrow" -->). Valid formats for time markers include:
hh or hhhh = hours, mm = minutes, ss = seconds, and ttt = thousandths of a second
On the next lines, type the text that should appear onscreen during the segment of time specified by the time markers. Limit text to a maximum of two lines.
00:00:01.000 --> 00:00:05.330
Good day everyone, my name
is June Doe.
00:00:07.608 --> 00:00:15.290
This video teaches you how to
build a sandcastle on any beach.
NOTE: Additional fields, such as notes, comments, styles, aren't supported and will be removed from the file when it's uploaded.