Subtitles and Caption Subtitle File Formats and Standards

Question 1

What does the file extension '.srt' stand for in subtitle files?

Accepted Answer

SubRip Text

Answer

Standard Rendering Text

Answer

Subtitle Reference Track

Answer

Streaming Readable Text

Question 2

Which subtitle file format is the web standard used by HTML5 video and most online streaming platforms?

Accepted Answer

WebVTT (.vtt)

Answer

SRT

Answer

ASS

Answer

TTML

Question 3

What subtitle format is commonly required by Netflix for professional content delivery?

Accepted Answer

TTML/IMSC (Timed Text Markup Language)

Answer

SRT only

Answer

Plain text (.txt)

Answer

PDF captions

Question 4

What is the file format used for closed captions in US broadcast television (ATSC digital TV)?

Accepted Answer

CEA-708 embedded in the video stream

Answer

SRT

Answer

WebVTT

Answer

SubStation Alpha (SSA)

Question 5

What is the SMPTE-TT format used for in subtitle standards?

Accepted Answer

A timed text format for professional broadcast and cinema applications

Answer

A format for printing subtitle scripts on paper

Answer

A compressed video format for subtitle storage

Answer

An audio format for audio description tracks

Question 6

What is the primary limitation of the SRT format compared to WebVTT?

Accepted Answer

SRT does not natively support styling, positioning, or speaker identification metadata

Answer

SRT files are larger than WebVTT files

Answer

SRT cannot store timecodes in milliseconds

Answer

SRT only works on Windows systems