Subtitles codecs
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| Subtitle Name | Extension | Subtitle Type | Character Encoding | Line Break | Text Styling | Metadata Info | Timings | Timing Precision | VLC media player Support |
|---|---|---|---|---|---|---|---|---|---|
| AQTitle | *.aqt | Text-based | None | Yes | No | No | Framings | Dependent on Frame | untested ??? |
| JACOSub | *.usf | Text-based | None | Yes | Yes | No | Elapsed Time | 10 Milliseconds (1/100th sec) | Yes (0.9.0 and over) |
| MicroDVD | *.sub | Text-based | None | Yes | No | No | Framings | Dependent on Frames | Yes |
| MPEG-4 Timed Text- | .ttxt | XML | Don'tknow | Don'tknow | Yes | No | Elapsed Time | 1 Millisecond | Yes |
| MPSub | *.sub | Text-based | None | Yes | No | Yes | Sequential Time | 10 Milliseconds (1/100th sec) | untested ??? |
| OggWrit | N/A (inside Oggs) | Text-based | None | No | Yes | Yes | Sequential Granules | Dependent on Bitstream | untested ???- |
| Phoenix Subtitle | *.pjs | Text-based | None | No | No | No | Framings | Dependent on Frames | untested ??? |
| PowerDivX | .psb | Text-based | None | No | No | No | Elapsed Time | 1 Second | untested ??? |
| RealText / SMIL | *.rt | HTML-based | Unicode (UTF-8) | Yes | Yes (SMIL) | No | Elapsed Time | 10 Milliseconds (1/100th sec) | No |
| SAMI | *.smi | HTML-based | Unicode (Windows-1252) | Yes | Yes (CSS) | Yes | Framings | Dependent on Frames | No |
| Structured Subtitle Format | .ssf | XML | None | No | Yes | Yes | Elapsed Time | 1 Millisecond | untested ??? |
| SubRip | *.srt | Text-based | Informally Unicode | Yes | No | No | Elapsed Time | 1 Millisecond (1/1000th sec) | Yes |
| SSA/ASS | *.ssa | Text-based | None | No | Yes | Yes | Elapsed Time | 10 Milliseconds (1/100th sec) | No, under work |
| SubViewer | *.sub | Text-based | None | Yes | No | Yes | Elapsed Time | 10 Milliseconds (1/100th sec) | Yes |
| Universal Subtitle | *.usf | XML | Unicode (UTF-8) | No | Yes (XML DTD) | No | Elapsed Time | 1 Millisecond (1/1000th sec) | Yes, 0.9.0 and over |
| VOBSub | *.sub, *.idx | Image-based | N/A | N/A | N/A | N/A | Elapsed Time | 1 Millisecond (1/1000th sec) | Yes |
| VPlayer | *.txt | Text-based | None | Yes | No | No | Framing or Time | 10 Milliseconds (1/100th sec) | Yes |
| DivX Subtitles (XSUB) | N/A (embedded in .divx) | Image-based | N/A | N/A | No | No | Elapsed Time | 1 Millisecond | untested ??? |
