How do I accurately convert my RM files to closed captions? 
Sonix uses the latest automated transcription technology to convert your video files (*.rm) to closed captions. Follow these six steps and see how magical it is:
Step 1
Sign up for a free Sonix trial account—includes 30 minutes of free RM to captions conversion.
Step 2
Upload the RealMedia File file(s) (*.RM) from your computer, Dropbox, Google Drive, or by dragging it on the page.
Step 3
Choose the language spoken in the uploaded RM file. We support over 49 different languages including Russian, Chinese, Spanish, and English. Click the 'Start Transcribing Now' button.
Step 4
Sonix will then automatically transcribe the audio from your RM file and convert it to a simple text format. Grab a cupcake, it will take only a few minutes.
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
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 RM file. You can also adjust the character length and time duration length of each caption.
That's it! Your RM 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 RM files with Sonix 
Frequently Asked Questions for RealMedia File (*.RM) to subtitle 
What is a RM file?
RM files are multimedia files made specifically for the audio/video playback and streaming program called RealPlayer. Mostly, files with the .rm file extension are used for streaming content over the Internet (video and internet radio). RM files were developed by RealNetworks as a multimedia container optimized for internet streaming. Most RM files are played with RealPlayer, but other media players such as VLC do have partial support for RM files.
Does Sonix transcribe video files with a *.RM file extension?
Yes, Sonix does automatically transcribe video files with a .RM file extension. Sonix is an online video to text converter. Convert any audio (mp3, m4a, wav, ...) or video (rm, mp4, mov, avi, ...) file to text without installing any software! Sonix quickly and accurately transcribes *.RM files and converts them to text in a subtitle format.
Know anyone who needs to convert RealMedia File (.RM) to subtitle?
We'd appreciate it if you tell them about Sonix—the best way to convert RM to subtitle.
Other ways to convert your RM video files with Sonix
RM to text
Use the most accurate speech-to-text technology to convert files: RM to text.
RM to docx
Accurately transcribe your RM file to Microsoft Word Format (docx) so you can bring the transcript into your workflow.
RM to PDF
Easily transcribe your RM file to Adobe's Portable Document Format (pdf) so you can share them with colleagues.
RM to subtitles
Create subtitles for your RM files to make them more accessible for your audience.
RM to srt
Quickly create subtitles from your RM files and save them as SRTs, one of the most widely supported subtitle formats.
RM to VTT
Create more advanced captions for your RM files by using the latest caption format VTT (Video Text Tracks).
Add subtitles to RM files
Quickly and easily add subtitles to your MP4 video files with the power of automated transcription.
Create closed captions from your RealMedia File files with Sonix 
Sonix automatically transcribes and translates your audio/video files in 49+ languages. Easily search, edit, and share your media files. Sonix is an online, fully-automated speech to text service that quickly converts RealMedia File files to captions. Fast, accurate, and affordable. Millions of users from all over the world.
Includes 30 minutes of free transcription
