ttml595 B

TTML Captions (DFXP)

A TTML (Timed Text Markup Language / DFXP) caption document — timed XML paragraphs with a styling region — carrying the same captions, for testing XML caption parsers and IMSC players.

Subtitle parsing Conversion testing Editor testing

Preview — first 16 linesttml

<?xml version="1.0" encoding="UTF-8"?>
<tt xmlns="http://www.w3.org/ns/ttml" xmlns:tts="http://www.w3.org/ns/ttml#styling" xml:lang="en">
  <head>
    <styling>
      <style xml:id="s1" tts:color="white" tts:fontSize="100%" tts:textAlign="center"/>
    </styling>
  </head>
  <body>
    <div>
      <p begin="00:00:00.000" end="00:00:02.500">Welcome to Novus Examples.</p>
      <p begin="00:00:02.500" end="00:00:05.000">These are free sample subtitle files.</p>
      <p begin="00:00:05.000" end="00:00:08.000">Use them to test parsers, players, and converters.</p>
    </div>
  </body>
</tt>

Specifications

Format: TTML (W3C Timed Text)
Cues: 3
Timing: HH:MM:SS.mmm
Captions: same as the SRT/VTT twins
Styling: tts namespace

What is a .ttml file?

TTML (Timed Text Markup Language, .ttml, also called DFXP) is a W3C XML format for timed text and captions. It wraps timed paragraphs in a tt document with styling and layout regions, and underlies broadcast and streaming caption profiles like IMSC, SMPTE-TT, and EBU-TT.