Sonix transcribes your MPA file and exports it as WebVTT captions perfect for HTML5 video and web platforms.
MPEG-2 audio stream for digital media
MPA files are audio files compressed using the MPEG Layer II compression codec to reduce the file size while only slightly impacting the overall sound quality. Digital music and high quality audio programming such as podcasts are usually compressed for web users with this format. The MPA file format uses the MPEG-2 specification for compression to reduce file size for better transmission across the internet.
High-quality compressed audio
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Upload your MPA file from your computer or cloud storage.
Choose from 53+ languages spoken in your file.
Sonix AI transcribes and timestamps your MPA audio.
Fine-tune caption timing and text with our editor.
Download your MPA captions as a WebVTT file.
Yes! Sonix transcribes your MPA file with precise timestamps and exports it as WebVTT captions for web video.
WebVTT (Web Video Text Tracks) is the native caption format for HTML5 video. It's supported by all modern browsers and video platforms.
Use VTT for web video (HTML5) and SRT for video editors. VTT supports advanced styling like colors and positioning.
Yes! VTT supports CSS styling for colors, fonts, positioning, and more. Customize how your captions appear on screen.
VTT is supported by Chrome, Firefox, Safari, Edge, and all modern browsers. It's the web standard for video captions.
Absolutely! VTT works seamlessly with video.js, Plyr, JW Player, and other HTML5 video players.
VTT is the web standard for captions, supported by all modern browsers.
Apply CSS styling for colors, fonts, positioning, and more.
Word-level timestamps ensure perfect sync with your video.
Works with all HTML5 video players and web platforms.
I loved how accurate you are even in Dutch!
Sonix is faster and better than YouTube at making captions for my videos!
The recording I transcribed was poor quality at best, so I was pleasantly surprised by how accurately Sonix captured the text. And your editor is absolutely brilliant!
One of the best sites/services on the Internet I've ever tried.
Was using another software before, but their prices went up. Your prices are better and the transcription seems more accurate. I also like that you automatically take out all of th...
I tried several programs and Sonix was by far the best one.It gave me very accurate scripts
This technology managed to shock me! It saved me so much time and effort!
I was amazed by your accuracy. What I used were not very good recordings. One with an American accent, another one Australian and many background noises. The transcript exc...
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