How to convert MPA to closed captions with Sonix

Sonix converts your audio-to-text using the latest artificial intelligence algorithms—it's fast, easy, beautiful, and affordable. We extract the speech from your MPA file and help you create captions for your videos in minutes.

Convert MPA to captions
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Home » Supported filetypes » Audio filetypes » MPA to captions

How do I accurately convert my MPA files to closed captions? 📋

Sonix uses the latest automated transcription technology to convert your audio files (*.mpa) to closed captions. Follow these six steps and see how magical it is:

Step 1: Create a free Sonix account to start converting your MPA file to a closed caption file

Step 1

Sign up for a free Sonix trial account—includes 30 minutes of free MPA to captions conversion.

Step 2: Upload your MPA files from your computer, Google Drive, Dropbox, or by dragging it on the page.

Step 2

Upload the MPEG-2 Audio File file(s) (*.MPA) from your computer, Dropbox, Google Drive, or by dragging it on the page.

Step 3: Select the language spoken in your MPA file, then click 'Start Transcribing Now.'

Step 3

Choose the language spoken in the uploaded MPA file. We support over 38 different languages including Russian, Chinese, Spanish, and English. Click the 'Start Transcribing Now' button.

Step 4: Sonix does all the work so grab a tasty cupcake. Our servers will extract the audio from your MPA file and convert it to SRT.

Step 4

Sonix will then automatically transcribe the audio from your MPA file and convert it to a simple text format. Grab a cupcake, it will take only a few minutes.

Step 5: Once your MPA was converted to text, you might need to polish up the transcript. Now, you can easily do that with our AudioText Editor.

Step 5

Use the Sonix AudioText Editor to polish your transcript before we convert it to a caption file. Simply type in your browser to correct any words in your transcript.

Step 6: Download a SRT version of your MPA file by clicking Export and selecting 'Subrip caption file (.srt).'

Step 6

Click the 'Export' button. Choose either 'Subrip subtitle file (.srt)' or 'WebVTT file (.vtt)' from the dropdown to download the closed caption version of your MPA file. You can also adjust the character length and time duration length of each caption.

That's it! Your MPA file has now been converted to closed captioning and is ready for the next step in your workflow!🎉

Thousands of customers create closed captions from their MPA files with Sonix 💖

  • Google converts their MPA audio files to closed captions with Sonix
  • Microsoft converts their MPA audio files to closed captions with Sonix
  • NBC Universal converts their MPA audio files to closed captions with Sonix
  • ESPN converts their MPA audio files to closed captions with Sonix
  • Stanford University converts their MPA audio files to closed captions with Sonix
  • Yale University converts their MPA audio files to closed captions with Sonix
  • University of California in Los Angeles (UCLA) converts their MPA audio files to closed captions with Sonix
  • ABC News converts their MPA audio files to closed captions with Sonix
  • Quartz converts their MPA audio files to closed captions with Sonix
  • CNBC converts their MPA audio files to closed captions with Sonix
  • CIBC converts their MPA audio files to closed captions with Sonix
  • Princeton University converts their MPA audio files to closed captions with Sonix

Frequently Asked Questions for MPEG-2 Audio File (*.MPA) to subtitle 🔈

What is a MPA file?

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.

Does Sonix transcribe audio files with a *.MPA file extension?

Yes, Sonix does automatically transcribe audio files with a .MPA file extension. Sonix is an online audio to text converter. Convert any audio (mpa, mp3, m4a, wav, ...) or video (mp4, mov, avi, ...) file to text without installing any software! Sonix quickly and accurately transcribes *.MPA files and converts them to text in a subtitle format.

Know anyone who needs to convert MPEG-2 Audio File (.MPA) to subtitle?

We'd appreciate it if you tell them about Sonix—the best way to convert MPA to subtitle.

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Other ways to convert your MPA audio files with Sonix 🔈

MPA to text

Use the most accurate speech-to-text technology to convert files: MPA to text.

MPA to docx

Accurately transcribe your MPA file to Microsoft Word Format (docx) so you can bring the transcript into your workflow.

MPA to PDF

Easily transcribe your MPA file to Adobe's Portable Document Format (pdf) so you can share them with colleagues.

MPA to subtitles

Create subtitles for your MPA files to make them more accessible for your audience.

MPA to srt

Quickly create subtitles from your MPA files and save them as SRTs, one of the most widely supported subtitle formats.

MPA to VTT

Create more advanced captions for your MPA files by using the latest caption format VTT (Video Text Tracks).

Create closed captions from your MPEG-2 Audio File files with Sonix 🚀

Sonix automatically transcribes and translates your audio/video files in 38+ languages. Easily search, edit, and share your media files. Sonix is an online, fully-automated speech to text service that quickly converts MPEG-2 Audio File files to captions. Fast, accurate, and affordable. Millions of users from all over the world.

Fast, accurate automated transcription

Includes 30 minutes of free transcription

Let our support team help you with all of your automated transcription questions. Pictured: Christine Lee

Transcribe and translate confidently, knowing you’re backed by our award-winning team, who is ready to answer your questions. Get immediate help by visiting our Help Center, resources, tutorials, and Introduction to Sonix videos.

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