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Convert SAMI to Advanced SubStation Alpha

Convert SAMI to Advanced SubStation Alpha

Converting from SAMI (SMI) to Advanced SubStation Alpha (ASS) while maintaining timing accuracy and subtitle content.

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About SAMI to Advanced SubStation Alpha Conversion

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

    Key Differences Between SAMI and Advanced SubStation Alpha

    • Format Structure: SAMI uses a standard subtitle structure while Advanced SubStation Alpha uses a multi-section format with styling and events
    • Styling Support: SAMI has standard formatting capabilities while Advanced SubStation Alpha offers advanced styling and animation features
    • Software Compatibility: SAMI is primarily used with undefined, undefined, undefined, while Advanced SubStation Alpha is commonly used with undefined, undefined, undefined
    • Use Cases: SAMI is typically used for standard subtitle applications, while Advanced SubStation Alpha is preferred for anime and complex styled subtitles

Format Structure Examples

SAMI Format Example

<SAMI>
<HEAD>
  <TITLE>Sample SAMI File</TITLE>
  <STYLE TYPE="text/css">
    <!--
    P { font-family: Arial; font-weight: normal; color: white; background-color: black; }
    .ENCC { Name: English; lang: en-US; SAMIType: CC; }
    -->
  </STYLE>
</HEAD>
<BODY>
  <SYNC Start=1000>
    <P Class=ENCC>First line of subtitle text<BR>Second line of subtitle text</P>
  </SYNC>
  <SYNC Start=5000>
    <P Class=ENCC>Next subtitle block</P>
  </SYNC>
  <SYNC Start=8000>
    <P Class=ENCC>&nbsp;</P>
  </SYNC>
</BODY>
</SAMI>

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

SAMI can be opened with:

Advanced SubStation Alpha can be opened with:

Conversion Features with Checksub

  • Automatic SAMI format detection
  • Precise timing conversion from SAMI 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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