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.
Great product. Been waiting for this.
I’m stunned how much easier it makes life. I worked on documentary films and it cost us a fortune to have the interviews transcribed. The idea that this exists is mind-boggling to me.
I’m blown away by how accurate it was.
I'm fully going to recommend Sonix to everyone! Most people are going to be blown away!
Content is still king. Google can’t crawl audio from webinars and videos. Getting that content transcribed with Sonix is an absolute must if you want to drive more leads to your web site.
Sonix is simple and very easy to use and the results were very nearly perfect. I would definitely recommended the site to anyone who asks me.
Sonix is quick and easy to use! It's efficient and transcriptions were very close to perfect - only a little editing needed!!
Sooooooooooo easy to use and accurate.
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AI transcription and translation in 53+ languages.
