This paper provides a rigorous correction to the misnomer while celebrating the technical achievements of the SSA format.
[Generated for analysis] Date: April 14, 2026 .ssa video format
| Feature | True Video Format (e.g., MKV, MP4) | SSA Subtitle Format | | :--- | :--- | :--- | | Contains pixel frames | Yes (e.g., H.264, AV1 bitstreams) | No | | Contains audio streams | Yes (e.g., AAC, MP3) | No | | Timestamp resolution | Frame-accurate (milliseconds) | Centisecond-accurate (cs) | | Graphical primitives | Raster images | Vector text + drawn shapes (via \p) | | Hardware decoding | Supported via GPU | Requires software rendering | This paper provides a rigorous correction to the
Thus, SSA is a , not a video codec or container. SSA is a
[Events] Format: Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:05.00,0:00:10.00,Default,,0000,0000,0000,,This is \b1SSA\b0, not video.