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Convert TTML to Scenarist

Convert TTML to Scenarist

Converting from TTML (TTML) to Scenarist (SCC) while maintaining timing accuracy and subtitle content.

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About TTML to Scenarist Conversion

A quick guide to converting from TTML (.ttml) to Scenarist (.scc). Learn about format differences, what's preserved, and how to convert your subtitles.

    Key Differences Between TTML and Scenarist

    • Format Structure: TTML uses an XML-based format with styling and layout sections while Scenarist uses a hex-encoded CEA-608 format
    • Styling Support: TTML supports comprehensive XML-based styling while Scenarist supports CEA-608 styling capabilities
    • Software Compatibility: TTML is primarily used with undefined, undefined, undefined, while Scenarist is commonly used with undefined, undefined, undefined
    • Use Cases: TTML is typically used for professional streaming platforms, while Scenarist is preferred for broadcast and DVD captioning

Format Structure Examples

TTML Format Example

<?xml version="1.0" encoding="utf-8"?>
<tt xmlns="http://www.w3.org/ns/ttml" 
    xmlns:ttp="http://www.w3.org/ns/ttml#parameter" 
    xmlns:tts="http://www.w3.org/ns/ttml#styling" 
    xmlns:ttm="http://www.w3.org/ns/ttml#metadata" 
    xmlns:xml="http://www.w3.org/XML/1998/namespace" 
    ttp:timeBase="media" 
    ttp:frameRate="24" 
    xml:lang="en">
  <head>
    <metadata>
      <ttm:title>Sample TTML</ttm:title>
    </metadata>
    <styling>
      <style xml:id="s1" 
             tts:textAlign="center" 
             tts:fontFamily="Arial" 
             tts:fontSize="100%"/>
    </styling>
    <layout>
      <region xml:id="bottom" 
              tts:displayAlign="after" 
              tts:extent="80% 40%" 
              tts:origin="10% 50%"/>
      <region xml:id="top" 
              tts:displayAlign="before" 
              tts:extent="80% 40%" 
              tts:origin="10% 10%"/>
    </layout>
  </head>
  <body>
    <div>
      <p xml:id="subtitle1" begin="00:00:01.375" end="00:00:05.750" 
         style="s1" region="top">TOP SAMPLE TEXT</p>
      <p xml:id="subtitle2" begin="00:00:05.916" end="00:00:10.216" 
         style="s1" region="bottom">BOTTOM SAMPLE TEXT</p>
      <p xml:id="subtitle3" begin="00:00:10.418" end="00:00:15.083" 
         style="s1" region="bottom">He had a great story.</p>
      <p xml:id="subtitle4" begin="00:00:15.391" end="00:00:20.558" 
         style="s1" region="bottom">- Did he tell you what it was about?<br/>- He did</p>
      <p xml:id="subtitle5" begin="00:00:20.750" end="00:00:25.041" 
         style="s1" region="bottom">In 1992, a shipping container<br/>fell overboard</p>
    </div>
  </body>
</tt>

Scenarist Format Example

Scenarist_SCC V1.0

00:00:01:00    94ae 94ae 9420 9420 54686973 20697320 61207465 7374
00:00:04:00    942c 942c

What's Preserved in Conversion

  • Timing information and synchronization
  • Text content and line breaks
  • Basic text formatting
  • Character encoding
  • Language identification

What's Lost in Conversion

  • CEA-608 specific features
  • Broadcast metadata
  • Special character encodings

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Compatible Software

TTML can be opened with:

Scenarist can be opened with:

Conversion Features with Checksub

  • Automatic TTML format detection
  • Precise timing conversion from TTML to Scenarist
  • Smart text formatting adaptation
  • Character encoding handling (UTF-8, Unicode)
  • Format-specific optimizations for Scenarist
  • Error checking and validation

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