The right RM to text converter depends on how long the file is and how many people speak. Sonix is made for interviews, podcasts and anything you plan to edit or quote.
30 free minutes. No credit card required.See pricing
Length and speaker count decide it: a short, clear memo has free routes, and anything long, with more than one voice or headed for a document needs an upload, speaker labels and an editor.
Sonix transcribes RM files in minutes, labels the speakers and exports 18+ formats. A short clip with one speaker may not need any of that.
RealMedia streaming format (legacy)
No. Upload the RM as it is: Sonix transcribes its audio track directly, and the transcript exports as SRT or VTT captions for the same video.
Add subtitles to your RMRM is a proprietary RealNetworks container designed for streaming over dial-up and early broadband connections, and it requires RealPlayer or a player with partial support such as VLC. MP4 is an open ISO standard container that plays on virtually every modern device and supports current codecs like H.264 and AAC. Choose MP4 for any new recording or long-term storage; RM is relevant mainly when working with legacy archives that were originally published in that format.
Best MP4 to text converterOne clear speaker, a quiet room and a few minutes of audio: a free route gets you the words. Paid earns its price on length, a second speaker or a deadline.
The three free routes on this page are a trial with 30 minutes, an open-source model you run yourself, and dictation through a document's microphone. All three suit a short recording you will read once.
Long files make a real-time-only tool impractical, several speakers need labels a free route will not give you, and raw text is rarely the finished product: the interview becomes an article, the episode needs captions, the research needs timestamps to cite. An editor plus Word, PDF and subtitle exports is what you pay for.
Our transcription cost guide puts a half-hour file at two to four hours of a transcriptionist's time, and a free draft at about an hour of correction. Sonix returns a one-hour file in 5 to 6 minutes, and the correcting happens in the editor against the audio.
What transcription costs, in detailCreate a free account with 30 minutes included and no card, then upload the file in any of 54+ languages.
Sonix turns the RM into text, timestamps and speaker labels included, about 10x faster than real time.
Fix names and terms in the AudioText Editor while the audio plays back, word by word.
Download TXT, DOCX, PDF, SRT or VTT, ready for a document, captions or an archive.
No converter hits its best case on every file. Four things matter more than which one you pick.
A decent microphone in a quiet room transcribes far better than a phone in a pocket; background noise, echo and people talking over each other cost the most. Heavy compression hurts more than the container format does.
Modern engines handle most accents; product names, jargon and switching languages mid-sentence still trip them. An editor turns those fixes into seconds instead of a retype.
Overlapping speech is the hardest problem in transcription. Automatic speaker labels separate the voices; without them you get one unattributed wall of text.
Accuracy claims are usually quoted for English. Pick the right one of 54+ languages when you upload, then translate the transcript if you need another language.
All supported languagesTranslate the transcriptSign up for Sonix and transcribe 30 minutes free with no credit card. Dictation tools and open-source models are free too, but they take more of your time on anything longer than a memo.
Up to 99% on clear audio with Sonix, nearer 85% on noisy recordings with crosstalk. Audio quality, accents and the number of speakers move the result more than the tool does.
Sonix works about 10x faster than real time, so a one-hour RM is usually ready in 5 to 6 minutes. Human transcription takes hours.
Yes. Sonix labels speakers automatically and lets you rename them in the editor, so an interview or a panel reads as a conversation instead of a block of text.
Yes. Transcribe the RM, then export the transcript as DOCX with timestamps and speaker labels kept, ready to edit in Word or Google Docs. TXT, PDF, SRT and VTT export the same way.
$10 an hour pay as you go, with no subscription, or a monthly plan if you transcribe regularly. Every plan is on the pricing page.
RM is a proprietary RealNetworks format that modern operating systems no longer support out of the box. You typically need RealPlayer, or a player like VLC that offers partial RM support.
For long-term preservation, converting to a widely supported format like MP4 is a reasonable step, since RM playback support continues to shrink. Keep the original file as well, because re-encoding a lossy format can reduce quality slightly.
Each RM comes back with who said what, renamed in a single click.
Every word carries a 100 ms timestamp, so captions and citations land exactly where the audio is.
TXT, DOCX, PDF, SRT, VTT and more from one transcript, no reformatting.
Translate the finished transcript into 54+ languages without a second tool.
Jump straight to a related format, language, or tool. Every link below leads to a real page.
I absolutely loved how well the software was able to distinguish between individual speakers. Exceptional product and well-polished.
I love how easy and intuitive it is to use Sonix! I can now put my energy and focus on actual content, instead of going through the tedious and time consuming process of transcribing audio.
No credit card. After that, $10 an hour pay as you go or a monthly plan.
AI transcription and translation in 54+ languages.
