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SMI Subtitle Generator

Generate subtitles in .SMI 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 SMI / SAMI format?

The SMI subtitle format (SAMI โ€“ Synchronized Accessible Media Interchange) is a format developed by Microsoft to enable the integration of synchronized subtitles in multimedia content, particularly for Windows Media Player.

Here are some key points about the SMI / SAMI format:

  • File extension: SAMI files use the extension .smi
  • Structure: The SMI is a text file based on an HTML structure, combining HTML and CSS tags for formatting. It generally consists of four main sections:
    • <SAMI>: root tag of the file.
    • <HEAD>: contains metadata and style definitions (similar to a CSS sheet).
    • <BODY>: contains subtitle blocks.
    • <SYNC>: tags that indicate when each text should appear, via a Start attribute expressed in milliseconds.
  • Specificity: The SMI format allows styling subtitles with colors, font sizes, and screen positions. It handles multilingualism: multiple tracks can be included in a single file (example: <P Class=EN> and <P Class=FR>). Timing is expressed in milliseconds from the start of the video. The format is similar to HTML from the 90s.
  • Compatibility: This format is compatible with Windows Media Player and other players supporting SAMI subtitles. The SMI format is primarily used in Windows environments and for accessibility applications.

How to generate SMI subtitles?

Import audio and video files

Uploading your audio and video files

Upload your audio or video file to our web platform. Our tool supports most multimedia formats for maximum compatibility.

Fast transcription processing

Transcription and Synchronization

Our Artificial Intelligence (AI) transcribes your content and then automatically synchronizes the subtitles with your video stream.

Export in SMI

Export of the .SMI file

Your subtitle file in SMI format is ready. You can download it and easily integrate it into your video content or editing software.

Accurate transcription

Reliable and accurate SMI subtitling

Transcri ensures a very high level of transcription fidelity and temporal synchronization. Artificial intelligence technology guarantees the quality of your SMI subtitles, even for complex audio.

Online transcription editor

Online SMI subtitle editing

Our dedicated online SMI editor offers you all the flexibility needed to refine your subtitles. Edit the transcribed text, precisely adjust timing, or customize the style directly from the web interface.

Transcription translation

Translation of your SMI subtitles

Expand the reach of your videos: our Subtitle generator also allows you to translate your SAMI files into more than 50 languages. Transcri is the ideal tool to grow your audience on an international scale.

Export subtitles in smi format

Integration of SMI subtitles into the video

Adding subtitles in SMI format is key to improving the accessibility of your videos to a wider audience. By doing so, you also optimize the SEO of your content on platforms and search engines.

More formats available for your subtitles:

Do you need a format other than .SMI? Also download your generated subtitles in other standard market formats:

VTT subtitleTTML subtitleSUB (MicroDVD) subtitleLRC subtitleSBV subtitleSUB (SubViewer) subtitleDFXP subtitleASS subtitleSCC subtitleSTL subtitleSRT subtitle

Frequently Asked Questions

Is Transcri suitable for professional subtitling projects?

Absolutely. Transcri is designed to meet the high demands of professional, commercial, or personal projects. It is the ultimate solution for making your video creations compliant with accessibility and subtitling standards.

How to create an SMI file?

Creating an SMI file manually (with a text editor) is a very technical and time-consuming task. For maximum time savings and increased accuracy, it is highly recommended to use an AI-based automatic subtitling tool like Transcri, which generates the SMI file in a few minutes.

How to open an SMI file?

As the SMI file is a text file, you can edit it with any text editor. However, to view the final output with your video, you must import it into a suitable player or video editing software compatible with this format.

How to integrate an SMI subtitle into my video?

Importing and synchronizing SMI/SAMI subtitles are natively supported by most video editing software.

What languages are supported for transcription and translation?

Transcri is a powerful multilingual tool that supports more than 50 languages for audio transcription and SMI subtitle translation into other languages.
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Transcri processes your audio and video files in just a few clicks. Our powerful AI delivers fast and accurate results, saving you hours of manual work.

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Audio transcription and subtitles