Subtitle and its different forms

Posted By : Kuldeep Kumar | 18-Dec-2017
css
Hey Friends, I am Writing this blog to Explain what are the subtitles and its different form.this blog is beneficial for peoples who used subtitles with Videos.
 
What are the subtitles : -
Subtitle is a nonspeech information that is used to understand different audios and videos with their common language. when a video is played a software program receives the relative text of voice from a subtitle file and display that text onto the screen that is user watching.subtitles are very useful to interpret a video or audio when voice is in the different language that user recognizes. Subtitles can be used to translate text from a foreign language into the native language of the user.primarily subtitles were used for peoples who are deaf and hard of hearing.
 
Example of the subtitle: -
0
00:00:9.000 --> 00:00:16.000
Hii this is an example of caption
1
00:00:22.000 --> 00:01:35.000
Good bye.
format : hours:minutes:seconds.milliseconds(HH:MM:SS.MI)
where 
start timecode :  00:00:2.000
end timecode   :  00:00:16.000 
 
that means the first caption in the video start from 9th second with the message "Hii this is an example of the caption" and stop at 16th second with message "Goodbye".
This is the simplest type of captioning format known as SRT file format for captioning.
where timestamp 00:00:9.000 denotes:-
 
00 --> Hour
00 --> Minutes
9.000 --> Second
Dialog --> Hii this is an example of caption
in srt file format each caption is indexed by number.
 
Type of subtitle formats : - 
there are many subtitles formats such as 
1. SRT (SubRip Subtitle)
0
00:00:9.000 --> 00:00:16.000
Hii this is an example of caption
1
00:00:22.000 --> 00:01:35.000
Good bye.
 
2. WebVtt (Web Video Text Tracks Format)
WEBVTT
00:00:9.000 --> 00:00:16.000
Hii this is an example of caption
00:00:22.000 --> 00:01:35.000
Good bye.
 
3. QuickText
There is no end time in QuickText the endtime of the first caption is decided by the start time of next caption.
[00:00:09.00]
Hii this is an example of caption
[00:00:22.00]
Goodbye.
[00:00:25.00]
 
4. STL (Spruce Subtitle File)
00:00:09.00 , 00:00:16.00 , Hii this is an example of caption
00:00:22.00 , 00:01:35.00 , Good bye.
 
5. SMI or SAMI (Synchronized Accessible Media Interchange)
 <SAMI>
  <HEAD>
    <STYLE TYPE="text/css">
    </STYLE>
  </HEAD>
  <BODY>
    <SYNC Start="0">
      <P Class="CAPS"></P>
    </SYNC>
    <SYNC Start="9000.0">
      <P Class="CAPS">
        Hii this is an example of caption        
      </P>
    </SYNC>
    <SYNC Start="22000.0">
      <P Class="CAPS">
        Good bye.
      </P>
    </SYNC>
    <SYNC Start="27000">
      <P Class="CAPS"></P>
    </SYNC>
  </BODY>
</SAMI>
6. SCC (Scenarist Closed Caption)
Scc file format is different from all other caption formats, it uses a relative code for each character in the text file.only used for DVD videos.Developed by Sonic.
Scenarist_SCC V1.0 
 
for SCC format timecode should be converted to frames/second.
 
00:00:08:03 9420 94fe 9723 c8e9 e920 f468 e973 20e9 7320 616e 20e5 f861 6d70 ece5 20ef e620 e361 70f4 e9ef 6e80 942c 8080 
00:00:21:15 9420 94f4 9723 c7ef ef64 2062 79e5 ae80 942c 8080 8080 942f
 
 
Transcription:-  process of extracting relative text from the voice of audio or video, is an important term used to build caption files.
all the formats work common but their internal implementation is different from each other.
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About Author

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Kuldeep Kumar

Kuldeep is interested in developing web applications and he is currently working on Groovy on Grails. He likes to learn new technologies and love playing chess.

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