Thousands of Sonix customers convert their Spanish GSM files to text 
What's the best way to convert Spanish GSM files to text? 
Use Sonix to convert Spanish GSM files to text
Follow these six easy steps to quickly and easily convert your Spanish GSM files to text:
Step 1: Log into your Sonix account
If you don't have one, you can sign up for Sonix's free account—30 minutes of free transcription/translation.
Step 2: Upload your Spanish GSM file
In Sonix, click “Upload” and locate the Spanish GSM file on your computer.
Step 3: Choose language: Spanish
Select Spanish in the dropdown that asks 'What language was spoken?.' Then, click the “Transcribe” button.
Step 4: Sonix transcribes your GSM file
Sonix automatically transcribes your Spanish GSM file and converts it to Spanish text.
Step 5: Polish your Spanish transcript
Edit your Spanish transcript by typing directly into your browser to correct any words that were not transcribed perfectly.
Step 6: Export Spanish text
Export the Spanish text to any format you want including MS Word, PDF, subtitles, or a simple text file.
All done! You have now successfully converted your Spanish GSM file to text!
How to improve the accuracy of your Spanish transcripts?
Start by improving the quality of the Spanish GSM file that you upload to Sonix. Please use high quality recording equipment, recording in a quiet environment, and ensure that your speakers are speaking clearly to ensure that your transcript is as accurate as possible.
Any advice for the Spanish GSM file that I upload?
Yes, please do not over-compress or over-filter the audio track of your Spanish GSM file. By uploading a high quality version of your audio, we can give you the best level of accuracy.
Aside from GSM, do you support other types of audio/video files?
Yes, we do! You can convert the following file types in Spanish with Sonix:
What customers say about Sonix's automated transcription 
I love the efficiency, accuracy, and simplicity of going through the transcript to edit and then save it into word. Seamless.
Amazed by the software even in quite mixed audio!
After trying a number of MP3 transcribers, I am most impressed with Sonix! It was easy to use and was much more accurate than any of the others that I tried.
Faster than my captioning department and so easy to create subtitles!
Impressed at how seamless Sonix makes editing transcripts. This is so much easier and more enjoyable than manually writing an entire transcript myself.
I loved how accurate you are even in Dutch!
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Convert Spanish GSM files to text with Sonix 
Sonix automatically transcribes and translates your audio and video files in over 38 languages. Easily search, edit, and share your media files. Sonix uses advanced transcription and translation algorithms to convert your Spanish GSM files to text both fast and accurate. Fast, accurate, and affordable. Millions of users from all over the world.
Includes 30 minutes of free transcription