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-‘SubRip’ is a ‘free software program’ for ‘Microsoft Windows’ which extracts ‘subtitles’ and their ‘timings’ from various ‘video formats’ to a ‘text file’-
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It is released under the GNU GPL
Its subtitle format’s file extension is .srt and is widely supported.
Each .srt file is a human-readable file format where the subtitles are stored sequentially along with the timing information.
Most subtitles distributed on the Internet are in this format
.
SubRip software
Using ‘optical character recognition’, SubRip can extract from live video, video files and DVDs, then record the extracted subtitles and timings as a Subrip format text file
It can optionally save the recognized subtitles as bitmaps for later subtraction (erasure) from the source video
In practice, SubRip is configured with the correct codec for the video source, then trained by the user on the specific text area, fonts, styles,[14] colors and video processing requirements[15] to recognize subtitles
After trial and fine tuning, SubRip can automatically extract subtitles for the whole video source file during its playback.
SubRip records the beginning and end times and text for each subtitle in the output text .srt file.[16]
SubRip uses AviSynth to extract video frames from source video, and can rip subtitles from all video files supported by that program.
SubRip file format[edit]
The SubRip file format is described on the Matroska multimedia container format website as “perhaps the most basic of all subtitle formats.”[17] SubRip (SubRip Text) files are named with the extension .srt, and contain formatted lines of plain text in groups separated by a blank line. Subtitles are numbered sequentially, starting at 1. The timecode format used is hours:minutes:seconds,milliseconds with time units fixed to two zero-padded digits and fractions fixed to three zero-padded digits (00:00:00,000). The fractional separator used is the comma, since the program was written in France.
A numeric counter identifying each sequential subtitle
The time that the subtitle should appear on the screen, followed by –> and the time it should disappear
Subtitle text itself on one or more lines
A blank line containing no text, indicating the end of this subtitle[17]
Example:
1
00:02:16,612 –> 00:02:19,376
Senator, we’re making
our final approach into Coruscant.
2
00:02:19,482 –> 00:02:21,609
Very good, Lieutenant.
3
00:03:13,336 –> 00:03:15,167
We made it.
4
00:03:18,608 –> 00:03:20,371
I guess I was wrong.
5
00:03:20,476 –> 00:03:22,671
There was no danger at all.
Formatting[edit]
Unofficially the format has very basic text formatting, which can be either interpreted or passed through for rendering depending on the processing application. Formatting is derived from HTML tags for bold, italic, underline and color:[18]
Bold – …
Italic – …
Underline – …
Font color – … (as in HTML)
Line position – X1:… X2:… Y1:… Y2:… after the timestamp would denote the text coordinate[19]
Nested tags are allowed; some implementations prefer whole-line formatting only.
Compatibility[edit]
The SubRip .srt file format is supported by most software video players. For Windows software video players that do not support subtitle playback directly, the VSFilter DirectX filter displays SubRip and other subtitle formats.[20] The SubRip format is supported directly by many subtitle creation and editing tools,[21] and some hardware home media players.[22][23][24][25][26] In August 2008, YouTube added subtitle support to its Flash video player under the “Closed Captioning” option – content producers can upload subtitles in SubRip format
.
Text encoding
SubRip’s default output encoding is configured as Windows-1252.
However, output options are also given for many Windows code pages as well Unicode encodings, such as UTF-8 and UTF-16, with or without Byte Order Mark (BOM)
Therefore, there is no de facto character encoding standard for .srt files, which means that any SubRip file parser must attempt to use Charset detection.
Unicode Byte Order Mark (BOM) are typically used to aid detection.
SubViewer[edit]
In 1999, Brain created SubRip, and a friend, David Dolinski, created SubViewer, who offered it for download on his personal website.[29][30][31][32][33][34]
SubViewer was included in the DivX media player. On August 28, 2008, YouTube included support for SubViewer and SubRip, allowing existing videos to be retroactively subtitled.[30]
WebVTT[edit]
A format originally called WebSRT (Web Subtitle Resource Tracks) was specified in 2010 by the Web Hypertext Application Technology Working Group for the proposed HTML5 element. It shared the .srt file extension and was based on parts of the SubRip format, but was not fully compatible with it.[35][36] The prospective format was later renamed WebVTT (Web Video Text Track).[37][38] Google’s Chrome and Microsoft’s Internet Explorer 10 browsers were the first to support tags with WebVTT files for HTML5 videos. Mozilla Firefox implemented WebVTT in its nightly builds (Firefox 24), and as of Firefox 31 (July 24, 2014), Mozilla enabled WebVTT on Firefox by default.[39] The feature had to be enabled in Firefox by going to the “about:config” page and setting the value of “media.webvtt.enabled” to true.[40] YouTube began supporting WebVTT in April, 2013.[41]
See also[edit]
Closed captioning
Timed text
Comparison of video player software, subtitle ability
Avidemux
List of free television software
MicroDVD
SubStation Alpha
Universal Subtitle Format
DirectVobSub is able to extract subtitles from a DVD without first extracting the files from it.
Notes[edit]
^ “SubRip & SubMagic”. The Brain’s Web. Archived from the original on 13 April 2003. Retrieved 12 February 2022.
^ Jump up to: a b c d e f “SubRip 1.56.1 History”. Free Codecs. 2015-10-13.
^ Jump up to: a b Zuggy, DVD, November 6, 2006.
^ Jump up to: a b Damman, Roy (2018-11-14). “Browse /subrip/SubRip 1.57.1”. SubRip. SourceForge.net. Retrieved 12 February 2022.
^ “zuggy.wz.cz News”. zuggy.wz.cz. Archived from the original on 9 June 2020. Retrieved 12 February 2022. Roy Damman released SubRip 1.57.1.
^ https://archive.is/C9FlO
^ “Archived copy”. zuggy.wz.cz. Archived from the original on 10 June 2021. Retrieved 22 February 2022.{{cite web}}: CS1 maint: archived copy as title (link)
^ Powers, Shelley (8 August 2011). HTML5 Media: Integrating Audio and Video with the Web. “O’Reilly Media, Inc.”. pp. 82–83. ISBN 978-1-4493-1531-3.
^ Rodriguez-Alsina, Aitor; Talavera, Guillermo; Orero, Pilar; Carrabina, Jordi (2012-06-26). “Subtitle Synchronization across Multiple Screens and Devices”. Sensors. 12 (7): 8710–8731. Bibcode:2012Senso..12.8710R. doi:10.3390/s120708710. ISSN 1424-8220. PMC 3444071. PMID 23012513. Most subtitles distributed on the Internet are described in text files that follow the SubRip (.SRT) format
^ Stanislav, Petr; Švec, Jan; Šmídl, Luboš (2012), Sojka, Petr; Horák, Aleš; Kopeček, Ivan; Pala, Karel (eds.), “Unsupervised Synchronization of Hidden Subtitles with Audio Track Using Keyword Spotting Algorithm”, Text, Speech and Dialogue, Springer Berlin Heidelberg, vol. 7499, pp. 422–430, doi:10.1007/978-3-642-32790-2_51, ISBN 978-3-642-32789-6, which is the most common subtitle format in the movie fans community
^ Thaureaux 2007, pp. 131–134
^ Zuggy, News, entry dated May 28, 2005.
^ Thaureaux 2007, p. 132
^ Thaureaux 2007, p. 136
^ Zuggy, Guide.
^ Thaureaux 2007, p. 137
^ Jump up to: a b “SRT Subtitles”. matroska.org. CoreCodec Inc. Retrieved 2020-10-24.
^ SubRip (.SRT) subtitles support in players – ale5000.altervista.org
^ “Extended SRT spec (especially coordinate format) question [Archive] – Doom9’s Forum”. forum.doom9.org. Retrieved 2021-03-10.
^ 陈波, 杨涛 (2006). 实用工具软件玩家攻略. 清华大学出版社. pp. 75–76. ISBN 978-7-302-11994-4. Retrieved 2010-09-11.
^ Martin, Chris (Dec 29, 2009). “15 best subtitle tools”. aboutonlinetips.com; Binary Head. All apps listed support SubRip(SRT), but the article is specific about 7 of 15.
^ Staff (September 2003). “A DivX Player for the Living Room” (Neuston Maestro DVX-1201). Review. hardwaremag.com; Singapore HWM.
^ tokig (July 13, 2003). “Review of KiSS DP-500 – Playback”. nordichardware.com; Nordic Hardware.
^ Argosy Media Player HV335T HDD(HD1080p) Product page Archived 2010-02-08 at the Wayback Machine argosy.com; Argosy, 2009.
^ Cericola, Rachel (2009-12-08). Western Digital WD TV Live HD Media Player Review. bigpicturebigsound.com; Big Picture Big Sound.
^ Suerte Felipe, Carlo (February 16, 2009). Get stylish with Samsung DVD-F1080. Manila Bulletin Publications. Retrieved 2010-08-19.
^ Chisholm and May: p. 82.
^ “New Captions Feature For Videos”. Official YouTube Blog. August 28, 2008.
^ “SubViewer”. Dado.be. Archived from the original on 5 November 2005. Retrieved 12 February 2022.
^ Jump up to: a b “New Captions Feature for Videos”. YouTube Official Blog. Retrieved 12 February 2022.
^ “SubRip”. VideoLAN Wiki. Retrieved 12 February 2022.
^ “SubViewer”. VideoLAN Wiki. Retrieved 12 February 2022.
^ “Subtitle Formats”. Divxstation. Archived from the original on 9 February 2005. Retrieved 12 February 2022.
^ “SubViewer 4.0.6”. free-codecs.com. Retrieved 12 February 2022.
^ Understanding WebSRT format
^ WebSRT, from the WHATWG HTML draft specification, retrieved 2010-10-14
^ Kennedy, Antony; de Leon, Inayaili (2011). Pro CSS for High Traffic Websites. Apress. ISBN 978-1-4302-3288-9.
^ Pfeiffer, Silvia (June 27, 2011). “Recent developments around WebVTT”.
^ “Firefox 31 Release Notes”.
^ “Implement the track element”.
^ “Caption File – YouTube Help”.
References[edit]
Thaureaux, Thierry (2007). DivX – Copiez vos vidéos sur CD (Nouvelle édition) (in French). Herblain, FR: Editions ENI. pp. 133–136. ISBN 978-2-7460-3812-7.
Zuggy, T.V. “SubRip home”. zuggy.wz.cz. Retrieved 2010-08-19.
Zuggy, T.V (December 8, 2005). “SubRip 1.20/1.50b – DVD subtitles ripper”. zuggy.wz.cz. Retrieved 2010-01-10. (Software release page.)
Zuggy, T.V (August 1, 2007). “News page”. zuggy.wz.cz. Retrieved 2009-07-02.
Zuggy, T.V (June 17, 2005). “Guide: Ripping subtitles from video files using SubRip”. zuggy.wz.cz. Retrieved 2009-07-02.
Xiao, Han; Wang, Xiaojie (March 27, 2009). “Constructing Parallel Corpus from Movie Subtitles”. In Li, Wenjie; Mollá-Aliod, Diego (eds.). Proc. Int. Conf. on Computer Processing of Oriental Languages. Hong Kong: Springer. pp. 329–336. doi:10.1007/978-3-642-00831-3_32. Retrieved 2009-07-02.
Chisholm, Wendy; May, Matt (2008). Universal design for Web applications. O’Reilly Media. p. 82. ISBN 978-0-596-51873-8. Retrieved 2010-06-28. subrip subtitles youtube.
Bruegmann, Ulrich (2006). Divx R.t.f.m. – Divx 6 (in German). Lulu.com. ISBN 978-1-84728-676-5.
External links[edit]
Related media at Wikimedia Commons:
Timed Text
Universal Subtitles
https://www.tipsoverflow.com/what-is-srt-file-extension-how-to-open-srt-file/
Official website
“.SRT SubRip file format specification”. Doom9. Retrieved April 7, 2004. Derived from the SubRip source code
“Rip subtitles with SubRip”. Guides. AfterDawn.
ale5000. “SubRip subtitles support in players”. altervista.org.
zuggy (27 April 2005). “SubRip 1.50 b4”. Doom9’s Forum.
WebVTT Standard
Mozilla’s developer page concerning WebVTT implementation
SubRip (.SRT) subtitle features and support in players – comparison of .srt feature handling in a range of common players
SRT Validator, a tool for validating SRT files
VTTandSRT, small French free software to convert a .SRT subtitles file into a .VTT subtitles file (and conversely).
SubSyncer – free online tool used to edit .SRT subtitles.
en.wikipedia.org /wiki/SubRip
SubRip
Contributors to Wikimedia projects12-15 minutes 9/14/2005
DOI: 10.3390/s120708710, Show Details
SubRip (software)
Developer(s) Brain,[1] T.V. Zuggy,[2][3] mrSHADOW,[2] Yakov,[2] ai4spam,[2] Bloody,[2] Roy Damman,[4][5]
Initial release 3 March 2000; 22 years ago[2]
Stable release
1.57.1 / November 14, 2018[4]
Written in Delphi
Operating system Microsoft Windows
Available in English
Type Subtitle editor
License GPL[3]
Website http://zuggy.wz.cz (not TLS)[6][7]
sourceforge.net/projects/subrip/
SubRip Text (file format)
Filename extension
.srt
Magic number 31 0D 0A 30 30 3A (ASCII: “1↵00:”)
Developed by Brain, Zuggy
Type of format Timed text
Container for subtitles and their order and timings
Extended to WebVTT
Open format? Yes
Free format? Yes
Website www.matroska.org/technical/subtitles.html#srt-subtitles
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