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 | Yes (0.9.0 and over) |
| Blu-Ray | N/A | Image-based | N/A | N/A | N/A | No | Elapsed Time | Unknown | Yes (1.1.0 and over) |
| CVD subtitles | *.cvd | Image-based | N/A | N/A | N/A | No | Elapsed Time | Unknown | Yes |
| DKS | *.dks | Text-based | None | Yes | No | No | Elapsed Time | Unknown | Yes (0.9.0 and over) |
| DVB subtitles | N/A (in DVB streams) | Image-based | N/A | N/A | N/A | No | Elapsed Time | Unknown | Yes |
| DVD subtitles | N/A | Image-based | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
| JACOsub | *.jss | Text-based | None | Yes | Yes | No | Elapsed Time | 10 Milliseconds (1/100th sec) | Yes (0.9.0 and over), no styles |
| Kate | N/A (inside OGG) | Text-based | None | Yes | Yes | No | Unknown | Unknown | Yes (0.9.0 and over), no styles |
| MicroDVD | *.sub | Text-based | None | Yes | No | No | Framings | Dependent on Frames | Yes |
| MPEG-4 Timed Text | .ttxt | XML | Unknown | Unknown | Yes | No | Elapsed Time | 1 Millisecond | Yes |
| MPL2 | *.mpl/.txt | Text-based | None | Yes | No | No | Sequential Time | 100 Milliseconds (1/10th sec) | Yes, no italic |
| MPSub | *.sub | Text-based | None | Yes | No | Yes | Sequential Time | 10 Milliseconds (1/100th sec) | Yes (0.9.0 and over) |
| OggWrit | N/A (inside Oggs) | Text-based | None | No | Yes | Yes | Sequential Granules | Dependent on Bitstream | untested ???- Not specified yet. |
| Phoenix Subtitle | *.pjs | Text-based | None | No | No | No | Framings | Dependent on Frames | Yes (0.9.0 and over) |
| PowerDivX | .psb | Text-based | None | No | No | No | Elapsed Time | 1 Second | Yes (0.9.0 and over) |
| RealText / SMIL | *.rt | HTML-based | Unicode (UTF-8) | Yes | Yes (SMIL) | No | Elapsed Time | 10 Milliseconds (1/100th sec) | Yes (0.9.0 and over) |
| SAMI | *.smi | HTML-based | Unicode (Windows-1252) | Yes | Yes (CSS) | Yes | Framings | Dependent on Frames | Yes |
| Structured Subtitle Format | .ssf | XML | None | No | Yes | Yes | Elapsed Time | 1 Millisecond | No |
| SubRip | *.srt | Text-based | Informally Unicode | Yes | No | No | Elapsed Time | 1 Millisecond (1/1000th sec) | Yes |
| SubStation Alpha | *.ssa/.ass | Text-based | None | No | Yes | Yes | Elapsed Time | 10 Milliseconds (1/100th sec) | Yes, 0.9.0 and over |
| SubViewer | *.sub | Text-based | None | Yes | No | Yes | Elapsed Time | 10 Milliseconds (1/100th sec) | Yes |
| SVCD subtitles | *.svcd | Image-based | N/A | N/A | N/A | No | Elapsed Time | Unknown | Yes |
| Teletext | Unknown | Text-based | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | 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 |
| XSUB (DivX subtitles) | N/A (embedded in .divx) | Image-based | N/A | N/A | N/A | No | Elapsed Time | 1 Millisecond | Yes (1.1.0 and over) |
