How do I convert my MPA files to subtitles with automated transcription? 
Sonix uses the best speech-to-text algorithms to convert your audio files (*.mpa) to subtitles. Just follow these six easy steps:
Step 1
Sign up for a free Sonix trial account—includes 30 minutes of free MPA to subtitles conversion.
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
Choose the language spoken in the uploaded MPA file. We support over 37 different languages including English, Spanish, German, and French. Then click the 'Start Transcribing Now' button.
Step 4
Sonix will then automatically transcribe the audio from your MPA file and convert it to a simple text format. Grab some tea, it will take only a few minutes.
Step 5
Use the Sonix AudioText Editor to polish your transcript before we convert it to a subtitle. It's like a word processor: simply type in your browser to correct any words.
Step 6
Click the 'Export' button. Choose either 'Subrip subtitle file (.srt)' or 'WebVTT file (.vtt)' from the dropdown to download the subtitle version of your MPA file. You can also adjust the character length and time duration length of each subtitle.
That's it! Your MPA file has now been converted to subtitles and is ready for the next step in your workflow!
Thousands of incredible customers create subtitles from their MPA files with Sonix 
Convert MPA audio or speech to subtitle
Frequently Asked Questions for MPEG-2 Audio File (*.MPA)
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.
Other ways to convert your MPA audio files with Sonix
Convert MPEG-2 Audio File to subtitles (SRT & VTT) with Sonix 
Sonix automatically transcribes and translates your audio and video files in over 37 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 subtitles. Fast, accurate, and affordable. Millions of users from all over the world.
Includes 30 minutes of free transcription
