Sonix transcribes your GSM file and exports it as a professional PDF document that you can share with colleagues and clients.
Telephone-quality audio for voicemail and calls
GSM is a compressed audio stream that is primarily used by cell phones. GSM files are designed for telephone-quality audio use in Europe and stores audio mainly for telephone quality voice. It makes for a good balance between size of file and quality retention with data around 96KB per minute. GSM is primarily used for voicemail storage or to record phone conversations that will be played back later.
Telephone-grade audio; good for speech, not music
Sign up for Sonix's free trial. Includes 30 minutes free.
Upload your GSM file from your computer or cloud storage.
Choose from 53+ languages spoken in your file.
Sonix AI transcribes your GSM audio automatically.
Polish your transcript before exporting to PDF.
Download your GSM transcript as a professional PDF.
Yes! Sonix transcribes your GSM file and exports it as a professionally formatted PDF document.
The PDF includes the full transcript with speaker labels, timestamps (optional), and professional formatting for easy reading and sharing.
Yes! You can choose to include or exclude timestamps, speaker labels, and paragraph breaks. Customize the layout before export.
Sonix processes files 10x faster than real-time. After transcription, PDF export is instant.
Yes! Use our browser-based editor to make corrections and polish your transcript before downloading the PDF.
PDF transcripts are text-based and very compact. Even long recordings produce PDFs under 1MB.
Get clean, professionally formatted PDFs perfect for sharing and archiving.
Include or exclude timestamps based on your needs.
Automatically identify and label different speakers.
PDFs are universally readable and easy to share with anyone.
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Sonix is easy to use and high accuracy of the transcriptions. Very pleased!
Your product is amazing, I love so many features including the video capture on the side, ability to change the transcript as you go, highlighting, downloading audio files... SEARC...
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.
English dictation is very accurate. And the online editor is easy to use. Also it generates SRT files that I can import in my video editors for further processing.
Sonix is so easy to use, and the quality is impressive in almost all languages we have tested so far. Punctuation is especially amazing compared to other platforms, even the tech g...
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I tried Sonix for the first time and I was astonished by the incredibile conversion accuracy.
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AI transcription and translation in 53+ languages.
