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Convert QuickTime Text to Advanced SubStation Alpha

Convert QuickTime Text to Advanced SubStation Alpha

Converting from QuickTime Text (QT) to Advanced SubStation Alpha (ASS) while maintaining timing accuracy and subtitle content.

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About QuickTime Text to Advanced SubStation Alpha Conversion

A quick guide to converting from QuickTime Text (.qt.txt) to Advanced SubStation Alpha (.ass). Learn about format differences, what's preserved, and how to convert your subtitles.

    Key Differences Between QuickTime Text and Advanced SubStation Alpha

    • Format Structure: QuickTime Text uses a QuickTime-specific format while Advanced SubStation Alpha uses a multi-section format with styling and events
    • Styling Support: QuickTime Text includes QuickTime-specific styling while Advanced SubStation Alpha offers advanced styling and animation features
    • Software Compatibility: QuickTime Text is primarily used with undefined, undefined, undefined, while Advanced SubStation Alpha is commonly used with undefined, undefined, undefined
    • Use Cases: QuickTime Text is typically used for QuickTime-based workflows, while Advanced SubStation Alpha is preferred for anime and complex styled subtitles

Format Structure Examples

QuickTime Text Format Example

{QTtext} {font:Arial}
{plain} {size:20}
{timeScale:30}
{width:160} {height:32}

[00:00:01.000]
First line of subtitle text
Second line of subtitle text

[00:00:05.000]
Next subtitle block

Advanced SubStation Alpha Format Example

[Script Info]
Title: Example ASS File
ScriptType: v4.00+

[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1

[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:01.00,0:00:04.00,Default,,0,0,0,,First line of subtitle text\NSecond line of subtitle text
Dialogue: 0,0:00:05.00,0:00:08.00,Default,,0,0,0,,Next subtitle block

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

  • Advanced styling and effects
  • Multiple layers
  • Custom scripting features

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Compatible Software

QuickTime Text can be opened with:

Advanced SubStation Alpha can be opened with:

Conversion Features with Checksub

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

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