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SUB (SubViewer) subtitle generator

Generate subtitles in SubViewer format for your video

File Limits: size 20 MB and duration 8 mins OR Sign up

Output Files

Subtitles:

Transcription:

Data:

Adjust Duration

Specify the start and end points of the transcription.

Specifying the audio language improves accuracy.

Multilingual Transcription

Enable this option if your audio file contains more than one language.

Automatic Translation

Premium Option : Enables translation of your transcriptions and subtitles into multiple languages.

Speaker Identification

Business Option : Automatically detects and labels speakers in your transcripts as 'Speaker 1', 'Speaker 2', โ€ฆ

Note: This option is currently limited to the first 2 hours of audio.

Number of speakers (optional)

Specify the number of people for better results. If unsure, leave blank for automatic detection.

What is the SubViewer (SUB) format?

The SUB (SubViewer) subtitle format is a text format used for video subtitling before the emergence of more recent formats like SRT or VTT. It was designed to be simple, readable, and compatible with many media players.

Here are some key points about the SUB (SubViewer) format:

  • File extension: SubViewer files use the extension .sub
  • Structure: A SubViewer file is a text file organized into two parts: an optional header containing metadata (title, author, languageโ€ฆ) and a list of subtitles each composed of three lines: the timecode line, the subtitle text, and a blank line to separate the blocks.

    The timecodes are expressed in the format hours:minutes:seconds.milliseconds, separated by a comma: [hh:mm:ss.ms],[hh:mm:ss.ms]

  • Specificity: The SubViewer format allows a line break in the text to display multiple lines on the screen. It can include simple styling information (such as color or alignment) depending on the version used (SubViewer 1.0 or 2.0). Its readable syntax makes manual editing easy with a simple text editor.
  • Compatibility: SubViewer is recognized by many video players (such as Windows Media Player, VLC, KMPlayer) and by several subtitle converters. Some formats, like SBV, are directly inspired by its structure. It is appreciated for its simplicity and readability, although it offers fewer features than some professional formats.

How to generate SubViewer subtitles?

Import audio and video files

Import your audio or video content

Start by uploading your file (all formats accepted) on our online platform to import it.

Fast transcription processing

AI transcription and synchronization

Our AI transcribes your content accurately and automatically adjusts the timing for perfect synchronization with your video.

Export in SUB

Export your SUB file

Download your formatted SubViewer subtitle file ready to be integrated into your editing software or video player.

Transcription translation

Translate SubViewer subtitles

Expand your audience internationally with Transcri. Translate your subtitles into over 50 languages with our automatic translation feature.

Export subtitles in sub format

Integration of SUB subtitles

Effortlessly integrate your SUB files into major editing software and compatible video players. Adding these subtitles enhances accessibility and engagement.

Accurate transcription

Professional quality SubViewer subtitles

Our free subtitle generator without registration guarantees an accurate transcription and flawless synchronization, while respecting the specifics of the SUB format.

Online transcription editor

Customization of SUB subtitles

After generation, our online editor allows you to easily revise and adjust the text, formatting, and timing of your subtitles before exporting.

Other subtitle formats to download

In addition to the SubViewer format, export your subtitles in the formats:

SRT subtitleVTT subtitleSBV subtitleSUB (MicroDVD) subtitleDFXP subtitleSMI subtitleTTML subtitleSTL subtitleLRC subtitleSCC subtitleASS subtitle

FAQ

Is this service suitable for professional projects?

Absolutely. Our service is optimized for personal, professional, and commercial projects, ensuring subtitles that are accessible and compliant with professional subtitling standards.

Which languages are supported?

Transcri supports more than 50 languages for audio transcription and translation of your SubViewer subtitles.

How to create a SubViewer (SUB) file?

The fastest and most reliable method is to use an automatic AI tool like Transcri. This ensures transcription accuracy and compliance with the specific MicroDVD formatting. Manual creation is complex due to the need to master file formatting in addition to the transcription phase.

How to open a SUB file?

Being a simple text file, you can open a SUB file with any text editor. To use them, you need to import them into your video player or editing software.

What is the difference between the MicroDVD and SubViewer formats?

Both use the .SUB file extension but are based on different synchronization systems:

  • MicroDVD (SUB): Uses frame numbers . It is dependent on the video's frame rate (FPS) and may desynchronize if the FPS changes.
  • SubViewer (SBV or SUB): Uses standard timestamps (HH:MM:SS.ms), making it more stable and independent of the video's FPS.
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Audio transcription and subtitles