How to convert GSM to text: audio-to-text transcription 
Step 1
Sign up for Sonix's free trial account—includes 30 minutes of free speech to text conversion.
Step 2
Upload your Global System for Mobile Audio File file(s) (*.GSM) from your computer, Google Drive, Dropbox, or by dragging it on the page.
Step 3
Select the language (over 37 languages supported) that was spoken in your GSM file, then click the button 'Start Transcribing Now.'
Step 4
Sonix automatically extracts the audio from your GSM file and converts it to text. It'll only take a few minutes so you can grab some coffee.
Step 5
Use the Sonix AudioText Editor to polish your transcript. Simply type in your browser to correct any words.
Step 6
Click the 'Export' button. Select 'Text file (.txt)' from the dropdown to download a text version of your GSM file.
That's it! Your GSM file has now been converted to text!
Thousands of incredible customers trust Sonix to transcribe their GSM files 
Convert GSM audio or speech to txt
Frequently Asked Questions for Global System for Mobile Audio File (*.GSM)
What is a GSM file?
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.
Does Sonix transcribe audio files with a *.GSM file extension?
Yes, Sonix does automatically transcribe audio files with a .GSM file extension. Sonix is an online audio to text converter. Convert any audio (gsm, mp3, m4a, wav, ...) or video (mp4, mov, avi, ...) file to text without installing any software! Sonix quickly and accurately transcribes *.GSM files and converts them to text in a txt format.
Know anyone who needs to convert Global System for Mobile Audio File (.GSM) to txt?
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Other ways to convert your GSM audio files with Sonix
Convert Global System for Mobile Audio File to text with Sonix 
Sonix transcribes your audio and video files in over 37 languages so they are easy to search, edit, and share. Sonix is an online, fully-automated speech to text service that quickly converts files in the Global System for Mobile Audio File format to text. Sonix does this conversion for you with the highest quality. Sign up today and start transcribing.
Includes 30 minutes of free transcription
